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variety - Andromeda polifoliaL. var.

Taxonomic Hierarchy for University of Alberta Vascular Plant Herbarium

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University of Alberta Vascular Plant Herbarium

Taxonomic Hierarchy for University of Alberta Vascular Plant Herbarium

Kingdom Plantae

Division Ferns and Fern Allies

Class Lycopodiopsida

Order Isoetales

Family Isoetaceae

Genus Isoetes L.

Species Isoetes bolanderi Engelm.

Species Isoetes lacustris L.

Species Isoetes malinverniana Ces. & De Not.

Species Isoetes muricata Durieu

Species Isoetes tuckermanii A. Braun ex Engelm.

Order Lycopodiales

Family Lycopodiaceae

Genus Dendrolycopodium A. Haines

Species Dendrolycopodium dendroideum (Michaux) A. Haines

Genus Diphasiastrum Holub

Species Diphasiastrum alpinum (L.) Holub

Species Diphasiastrum alpinum (L.) Holub × Diphasiastrum sitchense (Rupr.) Holub

Species Diphasiastrum complanatum (L.) Holub

Species Diphasiastrum digitatum (Dill.) Holub

Species Diphasiastrum tristachyum (Pursh) Holub

Genus Diphasium C. Presl ex Rothm.

Species Diphasium complanatum (L.) Rothm.

subspecies Diphasium complanatum (L.) Rothm. ssp. montellii Kukkonen

Genus Huperzia Bernh.

Species Huperzia haleakalae (Brack.) Holub

Species Huperzia miyoshiana (Makino) Ching

Species Huperzia occidentalis (Clute) Kartesz & Gandhi

Species Huperzia selago (L.) Bernh. ex Schrank & Mart.

Genus Lycopodium L.

Species Lycopodium alopecuroides L.

Species Lycopodium alpinum L.

Species Lycopodium anceps Wallr.

Species Lycopodium annotinum L.

subspecies Lycopodium annotinum L. ssp. annotinum

subspecies Lycopodium annotinum L. ssp. pungens (Bach. Pyl.) Hultén

variety Lycopodium annotinum L. var. acrifolium Fern.

variety Lycopodium annotinum L. var. alpestre Hartm.

variety Lycopodium annotinum L. var. annotinum

form Lycopodium annotinum L. forma proliferum Lepage

variety Lycopodium annotinum L. var. pungens Desv.

Species Lycopodium cernuum L.

variety Lycopodium cernuum L. var. pendulum Hook.

Species Lycopodium clavatum L.

variety Lycopodium clavatum L. var. monostachyon Hook. & Grev.

Species Lycopodium contiguum Klotzsch

Species Lycopodium dendroideum Michx.

Species Lycopodium fastigiatum R. Br.

Species Lycopodium flabelliforme (Fern.) Blanch.

Species Lycopodium inundatum L.

Species Lycopodium jussiaei Desv. ex Poir.

Species Lycopodium lagopus (Laest. ex C. Hartm.) Zinserl. ex Kuzen.

Species Lycopodium lucidulum Michx.

Species Lycopodium meridionale Underw. & Lloyd

Species Lycopodium myrtifolium G. Forst.

Species Lycopodium obscurum L.

variety Lycopodium obscurum L. var. dendroideum (Michx.) D. C. Eaton

Species Lycopodium phylatium

Species Lycopodium reflexum Lam.

Species Lycopodium sabinaefolium Willd.

Species Lycopodium scariosum G. Forst.

Species Lycopodium selago L.

subspecies Lycopodium selago L. ssp. selago

Species Lycopodium thyoides Humb. & Bonpl. ex Willd.

Species Lycopodium varium R. Br.

Species Lycopodium volubile G. Forst.

Species Lycopodium complanatum L.

variety Lycopodium complanatum L. var. gartonis B. Boivin

Order Selaginellales

Family Selaginellaceae

Genus Selaginella P. Beauv.

Species Selaginella apoda (L.) Spring

Species Selaginella bigelovii Underw.

Species Selaginella densa Rydb.

variety Selaginella densa Rydb. var. densa

variety Selaginella densa Rydb. var. scopulorum (Maxon) Tryon

variety Selaginella densa Rydb. var. standleyi (Maxon) Tryon

Species Selaginella douglasii (Hook. & Grev.) Spring

Species Selaginella helvetica (L.) Link

Species Selaginella longipinna Warb.

Species Selaginella oregana D. C. Eaton

Species Selaginella rupestris (L.) Spring

Species Selaginella sanguinolenta (L.) Spring

Species Selaginella scopulorum Maxon

Species Selaginella selaginoides (L.) Link

Species Selaginella sibirica (Milde) Hieron.

Species Selaginella standleyi Maxon

Species Selaginella watsonii Underw.

Class Polypodiopsida

Order Cyatheales

Family Cyatheaceae

Genus Cyathea Sm.

Species Cyathea costaricensis (Mett. ex Kuhn) Domin

Species Cyathea smithii Hook. f.

Family Dicksoniaceae

Genus Dicksonia L'Hér.

Species Dicksonia antarctica Labill.

Order Equisetales

Family Equisetaceae

Genus Equisetum L.

Species Equisetum arvense L.

subspecies Equisetum arvense L. ssp. alpestre (Wahlenb.) Schonswetter & Elven

variety Equisetum arvense L. var. boreale (Bong.) Rupr.

form Equisetum arvense L. forma alpestre (Wahlenb.) Luerss.

form Equisetum arvense L. forma boreale (Bong.) Rupr.

form Equisetum arvense L. forma campestre (C. F. Schultz) Klinge

form Equisetum arvense L. forma decumbens (Meyer) Klinge

form Equisetum arvense L. forma diffusum (A. A. Eaton) Clute

form Equisetum arvense L. forma nemorosum A. Br. ex Doll

form Equisetum arvense L. forma pseudonemorosum B. Boivin

form Equisetum arvense L. forma ramulosum (Rupr.) Klinge

Species Equisetum fluviatile L.

variety Equisetum fluviatile L. var. verticillatum Döll

form Equisetum fluviatile L. forma Linnaeanum (Doell) Broun

Species Equisetum hyemale L.

subspecies Equisetum hyemale L. ssp. affine (Engelm.) Calder & Roy L. Taylor

variety Equisetum hyemale L. var. affine (Engelm.) A. A. Eaton

variety Equisetum hyemale L. var. elatum (Engelm.) Morton

variety Equisetum hyemale L. var. intermedium A. A. Eaton

variety Equisetum hyemale L. var. robustum (A. Br.) A. A. Eaton

Species Equisetum hyemale × ramosissimum teste Walo Koch

Species Equisetum intermedium Rydb.

Species Equisetum laevigatum A. Br.

Species Equisetum limosum L.

variety Equisetum limosum L. var. verticillatum Doll

form Equisetum limosum L. forma verticillatum Doll

Species Equisetum litorale Kuhlew.

Species Equisetum palustre L.

variety Equisetum palustre L. var. simplicissimum A. Br.

Species Equisetum pratense Ehrh.

Species Equisetum prealtum Raf.

Species Equisetum ramosissimum Desf.

Species Equisetum ramosissimum Desf. × Equisetum variegatum Schleich.

Species Equisetum scirpoides Michx.

Species Equisetum sylvaticum L.

variety Equisetum sylvaticum L. var. multiramosum (Fern.) Wherry

variety Equisetum sylvaticum L. var. pauciramosum Milde

form Equisetum sylvaticum L. forma opsistachyum Lepage

Species Equisetum trachyodon A. Br. teste Walo Koch

Species Equisetum variegatum Schleich.

subspecies Equisetum variegatum Schleich. ssp. variegatum

variety Equisetum variegatum Schleich. var. jesupii A. A. Eaton

Species Equisetum kansanum Schaffner

form Equisetum kansanum Schaffner forma ramosum (A. A. Eaton) Braun

Species Equisetum telmateia Ehrh.

variety Equisetum telmateia Ehrh. var. braunii Milde

Order Gleicheniales

Family Gleicheniaceae

Genus Dicranopteris Bernh.

Species Dicranopteris emarginate (Brack.) W. J. Rob.

Genus Gleichenia Sm.

Species Gleichenia microphylla R. Br.

Genus Sticherus C. Presl

Species Sticherus flabellatus (R. Br.) H. St. John

Order Hymenophyllales

Family Hymenophyllaceae

Genus Gonocormus Bosch

Species Gonocormus minutus (Blume) Bosch

Genus Hymenophyllum Sm.

Species Hymenophyllum cupressiforme Labill.

Species Hymenophyllum flabellatum Labill.

Species Hymenophyllum moorei Bak.

Species Hymenophyllum multifidum (G. Forst.) Swartz

Species Hymenophyllum rarum R. Br.

Species Hymenophyllum sanguinolentum (Forest. f.) Sw.

Genus Macroglena (C. Presl) Copel.

Species Macroglena brassii Croxall

Genus Mecodium (Copel.) C. Presl ex Copel.

Species Mecodium recurvum (Gaud.) Copel.

Species Mecodium wrightii (Bosch) Copel.

Genus Polyphlebium Copel.

Species Polyphlebium venosum (R. Br.) Copel.

Genus Trichomanes L.

Species Trichomanes krausii Hook. & Grev.

Species Trichomanes petersii A. Gray

Species Trichomanes punctatum Poir.

Species Trichomanes reniforme G. Forst.

Order Marattiales

Family Marattiaceae

Genus Angiopteris Hoffm.

Species Angiopteris evecta Hoffm.

Order Ophioglossales

Family Ophioglossaceae

Genus Botrychium Sw.

Species Botrychium dissectum Spreng.

Species Botrychium hesperium (Maxon & R. T. Clausen) W. H. Wagner & Lellinger

Species Botrychium lunaria (L.) Sw.

variety Botrychium lunaria (L.) Sw. var. lunaria

variety Botrychium lunaria (L.) Sw. var. onondagense (Underw.) House

Species Botrychium minganense Vict.

Species Botrychium neolunaria Stensvold & Farrar ined.

Species Botrychium pinnatum H. St. John

Species Botrychium pumicola Coville ex Underw.

Species Botrychium tenebrosum A. A. Eaton

Species Botrychium virginianum (L.) Sw.

Species Botrychium yaaxudakeit Stensvold & Farrar

Species Botrychium multifidum (S. G. Gmel.) Rupr.

variety Botrychium multifidum (S. G. Gmel.) Rupr. var. intermedium (D. C. Eaton) Farw.

Species Botrychium simplex E. Hitchc.

variety Botrychium simplex E. Hitchcock var. compositum (Lasch) Milde

variety Botrychium simplex E. Hitchcock var. simplex

Genus Botrypus Michx.

Species Botrypus virginianus (L.) Michx.

Genus Ophioglossum L.

Species Ophioglossum vulgatum L.

Genus Sceptridium Lyon

Species Sceptridium dissectum (Sprengel) Lyon

Species Sceptridium multifidium (S. G. Gmel.) Nishida ex Tagawa

Species Sceptridium oneidense (Gilbert) Holub

Order Osmundales

Family Osmundaceae

Genus Osmunda L.

Species Osmunda cinnamomea L.

variety Osmunda cinnamomea L. var. asiatica Fern.

Species Osmunda claytoniana L.

Species Osmunda regalis L.

variety Osmunda regalis L. var. spectabilis (Willd.) A. Gray

Genus Todea Willd. ex Bernh.

Species Todea superba Col.

Order Polypodiales

Family Aspleniaceae

Genus Asplenium L.

Species Asplenium bulbiferum G. Forst.

Species Asplenium filix-femina (L.) Bernh.

Species Asplenium flaccidum G. Forst.

Species Asplenium fontanum (L.) Bernh.

Species Asplenium friesiorum C. Chr.

Species Asplenium montanum Willd.

Species Asplenium nidus L.

Species Asplenium onopteris L.

Species Asplenium platyneuron (L.) Oakes

Species Asplenium ruta-muraria L.

Species Asplenium septentrionale (L.) Hoffm.

Species Asplenium tenerum G. Forst.

Species Asplenium trichomanes L.

variety Asplenium trichomanes L. var. vespertinum (Maxon) Jeps.

Species Asplenium viride Huds.

Species Asplenium scolopendrium L.

variety Asplenium scolopendrium L. var. americanum (Fern.) Kartesz & Gandhi

Genus Camptosorus Link

Species Camptosorus rhizophyllus (L.) Link.

Genus Phyllitis Hill

Species Phyllitis scolopendrium (L.) Newm.

variety Phyllitis scolopendrium (L.) Newm. var. americanum Fern.

Family Athyriaceae

Genus Athyrium Roth

Species Athyrium crenatum (Somf.) Rupr.

Species Athyrium distentifolium Tausch ex Opiz

variety Athyrium distentifolium Tausch ex Opiz var. americanum (Butters) B. Boivin

Species Athyrium filix-femina (L.) Roth

variety Athyrium filix-femina (L.) Roth var. cyclosorum Rupr.

variety Athyrium filix-femina (L.) Roth var. michauxii (Spreng.) Farw.

variety Athyrium filix-femina (L.) Roth var. sitchense Rupr.

Species Athyrium pycnocarpon (Spreng.) Tidestr.

Species Athyrium thelypteroides (Michx.) Desv.

Genus Diplazium Sw.

Species Diplazium franconis Liebm.

Species Diplazium sibiricum (Turc.) Jermey

Family Blechnaceae

Genus Blechnum L.

Species Blechnum capense (L.) Schlecht.

Species Blechnum discolor (G. Forst.) Keyserl.

Species Blechnum dusum (Moore) Christen

Species Blechnum fraxineum Willd.

Species Blechnum occidentale L.

Species Blechnum patersonii (R. Br.) Mett.

Species Blechnum spicant (L.) Sm.

Genus Doodia R. Br.

Species Doodia aspera R. Br.

Species Doodia caudata (Cav.) R. Br.

Genus Sadleria Kaulfuss

Species Sadleria cyatheoides Kaulf.

Genus Struthiopteris Scop.

Species Struthiopteris spicant (L.) F. W. Weiss

Genus Woodwardia Sm.

Species Woodwardia angustifolia Sm.

Species Woodwardia fimbriata Sm.

Species Woodwardia spinulosa M. Martens & Galeotti

Species Woodwardia virginica (L.) Sm.

Species Woodwardia radicans (L.) Sm.

variety Woodwardia radicans (L.) Sm. var. americana Hook.

Family Cystopteridaceae

Genus Cystopteris Bernh.

Species Cystopteris bulbifera (L.) Bernh.

Species Cystopteris filix-fragilis (L.) Borb.

Species Cystopteris laurentiana (Weath.) Blasdell

Species Cystopteris fragilis (L.) Bernh.

subspecies Cystopteris fragilis (L.) Bernh. ssp. eufragilis Asch. & Graebn.

variety Cystopteris fragilis (L.) Bernh. var. fragilis

variety Cystopteris fragilis (L.) Bernh. var. laurentiana Weath.

Genus Gymnocarpium Newm.

Species Gymnocarpium remotipinnatum (Bonap.) Ching

Species Gymnocarpium dryopteris (L.) Newm.

form Gymnocarpium dryopteris (L.) Newm. forma glandulosa (R. M. Tryon) Soper

Species Gymnocarpium jessoense (Koidz.) Koidz.

subspecies Gymnocarpium jessoense (Koidz.) Koidz. ssp. parvulum Sarvela

Family Dennstaedtiaceae

Genus Anisosorus Trevis. ex Maxon

Species Anisosorus hirsutus (L.) Undw. & Maxon

Genus Dennstaedtia Bernh.

Species Dennstaedtia punctilobula (Michx.) T. Moore

Species Dennstaedtia rubiginosa (Kaulf.) T. Moore

Genus Histiopteris (J. Agardh) J. Sm.

Species Histiopteris incisa (Thunb.) J. Sm.

Genus Pteridium Gled. ex Scop.

Species Pteridium aquilinum (L.) Kuhn

variety Pteridium aquilinum (L.) Kuhn var. caudatum (L.) Sadeb.

variety Pteridium aquilinum (L.) Kuhn var. lanuginosum (Bong.) Fern.

variety Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller

variety Pteridium aquilinum (L.) Kuhn var. pubescens Underw.

Family Dryopteridaceae

Genus Dryopteris Adans.

Species Dryopteris arguta (Kaulf.) Watt.

Species Dryopteris assimilis S. Walker

Species Dryopteris austriaca (Jacq.) Woyn. ex Schinz & Thell.

Species Dryopteris borreri (Newman) V. I. Krecz.

Species Dryopteris borreri (Newman) V. I. Krecz. × Dryopteris filix-mas (L.) Schott

Species Dryopteris carthusiana (Vill.) H. P. Fuchs

Species Dryopteris dilatata (Hoffm.) A. Gray

subspecies Dryopteris dilatata (Hoffm.) A. Gray ssp. americana (Fisch.) Hultén

Species Dryopteris disjuncta (Rupr.) C. V. Morton

Species Dryopteris expansa (C. Presl.) Fraser-Jenkins & Jermy

Species Dryopteris fragrans (L.) Schott

Species Dryopteris goldiana (Hook. ex Goldie) A. Gray

Species Dryopteris linnaeana C. Chr.

Species Dryopteris marginalis (L.) A. Gray

Species Dryopteris noveboracensis A. Gray

Species Dryopteris paleacea (T. Moore) Hand.-Mazz.

Species Dryopteris remota (A. Braun ex Doll) Druce

Species Dryopteris spinulosa (Muell.) Watt

Species Dryopteris sprengelii (Kaulf.) Kuntze

Species Dryopteris pilosa (M. Martens & Galeotti) C. Chr.

variety Dryopteris pilosa (M. Martens & Galeotti) C. Chr. var. procurrens C.Chr.

Genus Elaphoglossum Schott ex J. Sm.

Species Elaphoglossum hirtum (Sw.) C. Chr.

Species Elaphoglossum piloselloides (C. Presl) T. Moore

Genus Polystichum Roth

Species Polystichum acrostichoides (Michx.) Schott

Species Polystichum aculeatum (L.) Roth ex Mert.

Species Polystichum andersonii Hopkins

Species Polystichum lonchitis (L.) Roth

Species Polystichum munitum (Kaulf.) C. Presl

variety Polystichum munitum (Kaulf.) C. Presl var. imbricans (D. C. Eaton) Maxon

variety Polystichum munitum (Kaulf.) C. Presl var. munitum

Species Polystichum scopulinum (D. C. Eaton) Maxon

Species Polystichum setiferum (Forssk.) Moore ex Woyn.

Species Polystichum vestitum (G. Forst.) C. Presl

Species Polystichum braunii (Spenn.) Fée

variety Polystichum braunii (Spenn.) Fée var. purshii Fern.

Family Lindsaeaceae

Genus Odontosoria Fée

Species Odontosoria guatemalensis H. Christ

Family Nephrolepidaceae

Genus Nephrolepis Schott

Species Nephrolepis cordifolia (L.) C. Presl

Species Nephrolepis exaltata (L.) Schott

variety Nephrolepis exaltata (L.) Schott var. bostoniensis Davenp.

Family Onocleaceae

Genus Matteuccia Tod.

Species Matteuccia struthiopteris (L.) Todaro

variety Matteuccia struthiopteris (L.) Todaro var. pensylvanica (Willd.) C. V. Morton

Genus Onoclea L.

Species Onoclea sensibilis L.

Family Polypodiaceae

Genus Adenophorus Gaudich.

Genus Amphoradenium Desv.

Genus Grammitis Sw.

Species Grammitis armstrongii Tindale

Species Grammitis billardierei Willd.

Species Grammitis pumila (Massee ex C. Chr.) Stolze

Species Grammitis tenella Kaulf.

Genus Pleopeltis Humb. & Bonpl. ex Willd.

Genus Xiphopteris Kaulf.

Genus Acrosorus Copel.

Species Acrosorus triangularis Cop.

Genus Dictymia J. Smith

Species Dictymia brownii (Wikstr.) Cokel.

Genus Drynaria (Bory) J. Sm.

Species Drynaria rigidula (Sw.) Bedd.

Genus Microsorum Link

Species Microsorum diversifolium (Willd.) Copel.

Species Microsorum scandens (G. Forst.) Tindale

Genus Phymatosorus Pic. Serm.

Species Phymatosorus scolopendria (Burm. f.) Pic. Serm.

Genus Platycerium Desv.

Species Platycerium bifurcatum (Cav.) C. Chr.

Genus Polypodium L.

Species Polypodium amorphum Suksd.

Species Polypodium appalachianum Haufler & Windham

Species Polypodium australe Fée

Species Polypodium californicum Kaulf.

Species Polypodium ciliatum Willd.

Species Polypodium glycyrrhiza D. C. Eaton

Species Polypodium munchii H. Christ

Species Polypodium pellucidum Kaulf.

Species Polypodium plebejum C. & C.

Species Polypodium scouleri Hook. & Grev.

Species Polypodium sibiricum Sipliv.

Species Polypodium sibiricum Sipliv. × Polypodium virginianum L.

Species Polypodium virginianum L.

Species Polypodium vulgare L.

Genus Pyrrosia Mirb.

Species Pyrrosia confluens (R. Br.) Ching

Family Pteridaceae

Genus Pityrogramma Link

Species Pityrogramma triangularis (Kaulf.) Maxon

Genus Acrostichum L.

Species Acrostichum aureum L.

Genus Adiantum L.

Species Adiantum hispidulum Sw.

Species Adiantum jordani C. Mull.

Species Adiantum raddianum C. Presl

Species Adiantum pedatum L.

subspecies Adiantum pedatum L. ssp. aleuticum (Rupr.) Calder & Roy L. Taylor

variety Adiantum pedatum L. var. aleuticum Rupr.

Genus Aspidotis (Nuttall ex Hooker) Copeland

Species Aspidotis densa (Brackenridge) Lellinger

Genus Bommeria E. Fourn.

Species Bommeria hispida (Mett.) Underw.

Genus Cheilanthes Sw.

Species Cheilanthes californica (Hook.) Mett.

Species Cheilanthes clevelandii D. C. Eaton

Species Cheilanthes covillei Maxon

Species Cheilanthes feei Moore

Species Cheilanthes fendleri Hook.

Species Cheilanthes siliquosa Maxon

Genus Cryptogramma R. Br.

Species Cryptogramma acrostichoides R. Br.

Species Cryptogramma crispa (L.) R. Br. ex Hook.

variety Cryptogramma crispa (L.) R. Br. ex Hook. var. acrostichoides (R. Br.) C. B. Clarke

Species Cryptogramma densa (Brack.) Diels

Genus Myriopteris Fée

Species Myriopteris gracilis Fée

Genus Notholaena R. Br.

Species Notholaena distans R. Br.

Species Notholaena newberryi D. C. Eaton

Species Notholaena sinuata (Lag. ex Sw.) Kaulf.

variety Notholaena sinuata (Lag. ex Sw.) Kaulf. var. sinuata

Genus Onychium Kaulfuss

Species Onychium densum Brack.

Genus Pellaea Link

Species Pellaea andromedifolia (Kaulf.) Fée

Species Pellaea brachyptera (T. Moore) Baker

Species Pellaea breweri D.C. Eaton

Species Pellaea bridgesii Hook.

Species Pellaea mucronata (D. C. Eaton) D. C. Eaton

Species Pellaea stelleri (S. G. Gmel.) Watt.

Species Pellaea ternifolia (Cav.) Link

Species Pellaea truncata Goodd.

Species Pellaea atropurpurea (L.) Link

variety Pellaea atropurpurea (L.) Link var. bushii Mack. & Bush

Species Pellaea glabella Mett. ex Kuhn

variety Pellaea glabella Mett. ex Kuhn var. nana (Richardson) Cody

Genus Pteris L.

Species Pteris biaurita L.

Species Pteris cretica L.

Species Pteris aquilina L.

variety Pteris aquilina L. var. lanuginosa Bong.

Genus Pycnodoria C. Presl

Species Pycnodoria multifida (Poir.) Small

Genus Vittaria Sm.

Species Vittaria lineata (L.) Sm.

Family Thelypteridaceae

Genus Phegopteris (C. Presl) Fée

Species Phegopteris hexagonoptera (Michx.) Fée

Genus Thelypteris Schmidel

Species Thelypteris noveboracensis (L.) Nieuwl.

Species Thelypteris palustris Schott

variety Thelypteris palustris Schott var. pubescens (G. Lawson) Fern.

Family Woodsiaceae

Genus Woodsia R. Br.

Species Woodsia alpina (Bolton) Gray

Species Woodsia ilvensis (L.) R. Br.

Species Woodsia ilvensis (L.) R. Br. × Woodsia oregana D. C. Eaton

Species Woodsia obtusa (Spreng.) Torr.

Species Woodsia oregana D. C. Eaton

variety Woodsia oregana D. C. Eaton var. oregana

Species Woodsia scopulina D. C. Eaton

Order Psilotales

Family Psilotaceae

Genus Psilotum Sw.

Species Psilotum complanatum Sw.

Species Psilotum nudum (L.) P. Beauv.

Genus Tmesipteris Bernh.

Species Tmesipteris tannensis (Spreng.) Bernh.

Order Salviniales

Family Marsileaceae

Genus Marsilea L.

Species Marsilea brownii A. Braun

Species Marsilea quadrifolia L.

Genus Regnellidium Lindm.

Species Regnellidium diphyllum Lindm.

Family Salviniaceae

Genus Azolla Lam.

Species Azolla mexicana C. Presl

Species Azolla pinnata R. Br.

Genus Salvinia Ség.

Species Salvinia natans ( L. ) All.

Order Schizaeales

Family Lygodiaceae

Genus Lygodium Sw.

Species Lygodium japonicum (Thunb.) Sw.

Species Lygodium venustum Swartz

Family Schizaeaceae

Genus Schizaea Sm.

Species Schizaea fistulosa Labill.

Species Schizaea pusilla Pursh

Species Schizaea rupestris R. Br.

Division Flowering Plants

Class Basal Angiosperms

Order Canellales

Family Winteraceae

Genus Bubbia Tiegh.

Species Bubbia howeana (F. Muell.) Tiegh.

Genus Drimys J. R. Forst. & G. Forst.

Species Drimys winteri J. R. Forst. & G. Forst.

Genus Tasmannia R. Br. ex DC.

Species Tasmannia insipida R. Br. ex DC.

Species Tasmannia lanceolata (Poir.) A. C. Sm.

Order Ceratophyllales

Family Ceratophyllaceae

Genus Ceratophyllum L.

Species Ceratophyllum demersum L.

subspecies Ceratophyllum demersum L. ssp. demersum

Species Ceratophyllum echinatum A. Gray

Species Ceratophyllum submersum L.

Order Chloranthales

Family Chloranthaceae

Genus Chloranthus Sw.

Species Chloranthus elatior R. Br.

Genus Sarcandra Gardner

Species Sarcandra glabra (Thunb.) Nakai

Order Laurales

Family Atherospermataceae

Genus Doryphora Endl.

Species Doryphora aromatica (F. M. ailey) L. S. Sm.

Species Doryphora sassafras Endl.

Family Calycanthaceae

Genus Calycanthus L.

Species Calycanthus glaucus Willd.

Species Calycanthus laevigatus Willd.

Species Calycanthus occidentalis Hook. & Arn.

Genus Idiospermum S. T. Blake

Species Idiospermum australiense (Diels) S. T. Blake

Family Lauraceae

Genus Cassytha L.

Species Cassytha glabella R. Br.

Species Cassytha melantha R. Br.

Genus Cinnamomum Schaeff.

Species Cinnamomum camphora (L.) J. Presl

Genus Cryptocarya R. Br.

Species Cryptocarya rigida Meisn.

Genus Endiandra R. Br.

Species Endiandra introrsa C. T. White

Species Endiandra sieberi Nees

Genus Persea Mill.

Species Persea lingue (Ruiz & Pav.) Nees

Genus Sassafras J. Presl

Species Sassafras albidum (Nutt.) Nees

variety Sassafras albidum (Nutt.) Nees var. molle (Raf.) Fernald

Species Sassafras officinalis T. Nees & C. H. Eberm.

Genus Umbellularia (Nees) Nutt.

Species Umbellularia californica (Hook. & Arn.) Nutt.

Order Magnoliales

Family Annonaceae

Genus Asimina Adans.

Species Asimina triloba (L.) Dunal

Family Magnoliaceae

Genus Liriodendron L.

Species Liriodendron tulipifera L.

Genus Magnolia L.

Species Magnolia cordata Michx.

Species Magnolia fraseri Walter

Order Nymphaeales

Family Cabombaceae

Genus Brasenia Schreb.

Species Brasenia peltata Pursh

Family Nymphaeaceae

Genus Nuphar Sm.

Species Nuphar advena (Aiton) W. T. Aiton

Species Nuphar polysepala Engelm.

Species Nuphar pumila (Timm) DC.

Species Nuphar variegata Durand

Species Nuphar variegatum Engelm.

Genus Nymphaea L.

Species Nymphaea tuberosa Paine

Species Nymphaea odorata Aiton

variety Nymphaea odorata Aiton var. odorata

Order Piperales

Family Aristolochiaceae

Genus Aristolochia L.

Species Aristolochia californica Torr.

Genus Asarum L.

Species Asarum canadense L.

variety Asarum canadense L. var. acuminatum Ashe

Species Asarum caudatum Lindl.

Species Asarum europaeum L.

Species Asarum hartwegii S. Wats.

Species Asarum macranthum Hook. f.

Family Piperaceae

Genus Peperomia Ruiz & Pav.

Species Peperomia cookiana DC.

Species Peperomia fraseri C. DC.

Species Peperomia obtusifolia (L.) A. Dietr.

Species Peperomia urvilleana A. Rich.

Family Saururaceae

Genus Anemopsis Hook. & Arn.

Species Anemopsis californica (Nutt.) Hook. & Arn.

variety Anemopsis californica (Nutt.) Hook. & Arn. var. subglabra Kelso

Genus Saururus L.

Species Saururus cernuus L.

Species Saururus chinensis (Lour.) Baillon

Class Eudicots

Order Apiales

Family Apiaceae

Genus Aethusa L.

Species Aethusa cynapium L.

Genus Aletes J. M. Coult. & Rose

Species Aletes nuttallii W. A. Weber

Genus Anethum L.

Species Anethum graveolens L.

Genus Angelica L.

Species Angelica arguta Nutt.

Species Angelica dawsonii S. Wats.

Species Angelica sylvestris L.

Genus Anthriscus Pers.

Species Anthriscus sylvestris (L.) Hoffm.

Genus Astrantia L.

Species Astrantia major L.

Genus Bupleurum L.

Species Bupleurum americanum J. M. Coult. & Rose

Species Bupleurum arcticum Koso-Pol.

Species Bupleurum falcatum L.

Species Bupleurum gramineum Vill.

Species Bupleurum rotundifolium L.

Species Bupleurum triradiatum Adams ex Hoffm.

Genus Carum L.

Species Carum carvi L.

Genus Centella L.

Species Centella asiatica (L.) Urb.

Genus Chaerophyllum L.

Species Chaerophyllum bulbosum L.

Species Chaerophyllum hirsutum L.

Genus Cicuta L.

Species Cicuta bulbifera L.

Species Cicuta douglasii (DC.) J. M. Coult. & Rose

Species Cicuta mackenziana Raup

Species Cicuta maculata L.

variety Cicuta maculata L. var. angustifolia Hook.

Species Cicuta virosa L.

Genus Cnidium Cusson

Species Cnidium cnidiifolium Schischk.

Genus Cogswellia Spreng.

Species Cogswellia platycarpa (Torr.) M. E. Jones

Genus Coriandrum L.

Species Coriandrum sativum L.

Genus Cryptotaenia DC.

Species Cryptotaenia canadensis (L.) DC.

Genus Cymopterus Raf.

Species Cymopterus acaulis Raf.

Genus Daucus L.

Species Daucus carota L.

Species Daucus pusillus Michx.

Genus Eryngium L.

Species Eryngium planum L.

Species Eryngium prostratum Nutt. ex DC.

Genus Falcaria Fabr.

Species Falcaria vulgaris Bernh.

Genus Heracleum L.

Species Heracleum sphondylium L.

Genus Laserpitium L.

Species Laserpitium latifolium L.

Genus Lomatium Raf.

Species

Species Lomatium ambiguum (Nutt.) J. M. Coulter & Rose

Species Lomatium farinosum (Geyer ex Hook.) J. M. Coult. & Rose

Species Lomatium foeniculaceum (Nutt.) J. M. Coult. & Rose

Species Lomatium macrocarpum (Hook. & Arn.) J. M. Coult. & Rose

Species Lomatium martindalei (J. M. Coult. & Rose) J. M. Coult. & Rose

Species Lomatium nevadense (S. Watson) J. M. Coult. & Rose

Species Lomatium nudicaule (Pursh) J. M. Coult. & Rose

Species Lomatium papilioniferum J. A. Alexander & W. Whaley

Species Lomatium sandbergii (J. M. Coult. & Rose) J. M. Coult. & Rose

Species Lomatium simplex (Nutt. ex S. Watson) J. F. Macbr.

Species Lomatium triternatum (Pursh) J. M. Coult. & Rose

subspecies Lomatium triternatum (Pursh) J. M. Coult. & Rose ssp. platycarpum (Torrey) Cronquist

Species Lomatium utriculatum (Nutt. ex Torr. & A. Gray) J. M. Coult. & Rose

Species Lomatium dissectum (Nutt.) Mathias & Constance

variety Lomatium dissectum (Nutt.) Mathias & Constance var. multifidum (Nutt.) Mathias & Constance

Species Lomatium graveolens (S. Wats.) Dorn & R. L. Hartm.

variety Lomatium graveolens (S. Wats.) Dorn & R. L. Hartm. var. clarkii S. L. Welsh

Genus Musineon Raf.

Species Musineon divaricatum (Pursh) Nutt.

variety Musineon divaricatum (Pursh) Nutt. var. hookeri Torr. & A. Gray

Genus Oenanthe L.

Species Oenanthe sarmentosa C. Presl ex DC.

Genus Osmorhiza Raf.

Species Osmorhiza berteroi de Candolle

Species Osmorhiza chilensis Hook. & Arn.

Species Osmorhiza depauperata Phil.

Species Osmorhiza obtusa (J.M. Coult. & Rose) Fernald

Species Osmorhiza occidentalis (Nutt.) Torr.

Genus Pastinaca L.

Species Pastinaca sativa L.

Genus Perideridia Rchb.

Species Perideridia gairdneri (Hook. & Arn.) Mathias

Genus Pimpinella L.

Species Pimpinella major (L.) Huds.

Species Pimpinella saxifraga L.

Genus Sanicula L.

Species Sanicula bipinnatifida Douglas ex Hooker

Species Sanicula europaea L.

Genus Selinum L.

Species Selinum carvifolia (L.) L.

Genus Sium L.

Species Sium suave Walt.

Genus Torilis Adans.

Species Torilis arvensis (Huds.) Link

Species Torilis japonica (Houtt.) DC.

Genus Zizia W. D. J. Koch

Species Zizia aptera (A. Gray) Fern.

Species Zizia aurea Koch

Family Araliaceae

Genus Acanthopanax (Decne. & Planch.) Miq.

Species Acanthopanax sessiliflorus (Rupr. & Maxim.) Seem.

Genus Aralia L.

Species Aralia californica S. Wats.

Species Aralia hispida Vent.

Species Aralia nudicaulis L.

Species Aralia racemosa L.

Species Aralia trifolia (L.) Decne. & Planch.

Genus Hedera L.

Species Hedera helix L.

Genus Oplopanax (Torrey & A. Gray) Miq.

Species Oplopanax horridus (Sm.) Miq.

Genus Panax L.

Species Panax trifolium L.

Family Pittosporaceae

Genus Pittosporum Banks ex Gaertn.

Species Pittosporum flavum Hook.

Species Pittosporum undulatum Vent.

Order Aquifoliales

Family Aquifoliaceae

Genus Ilex L.

Species Ilex aquifolium L.

Species Ilex decidua Walter

Species Ilex glabra (L.) A. Gray

Species Ilex laevigata (Pursh) A. Gray

Species Ilex monticola A. Gray

Species Ilex opaca Aiton

Species Ilex paraguariensis A. St.-Hil.

Species Ilex verticillata (L.) A. Gray

variety Ilex verticillata (L.) A. Gray var. verticillata

Genus Nemopanthus Raf.

Species Nemopanthus mucronatus (L.) Trel.

Order Asterales

Family Asteraceae

Genus Brachyscome Cass.

Genus Raillardia Spreng.

Genus Silphium L.

Species Silphium laciniatum L.

Species Silphium perfoliatum L.

Species Silphium terebinthinaceum Jacq.

Genus Achillea L.

Species Achillea alpina L.

Species Achillea atrata L.

Species Achillea borealis Bong.

variety Achillea borealis Bong. var. borealis

Species Achillea impatiens L.

Species Achillea lanulosa Nutt.

Species Achillea macrophylla L.

Species Achillea micrantha M. Bieb.

Species Achillea millefolium L.

subspecies Achillea millefolium L. ssp. borealis (Bong.) Breitung

subspecies Achillea millefolium L. ssp. lanulosa (Nutt.) Piper

subspecies Achillea millefolium L. ssp. millefolium

variety Achillea millefolium L. var. borealis (Bong.) Farw.

variety Achillea millefolium L. var. lanulosa (Nutt.) Piper

variety Achillea millefolium L. var. megacephala B. Boivin

variety Achillea millefolium L. var. nigrescens E. Mey.

variety Achillea millefolium L. var. occidentalis DC.

form Achillea millefolium L. forma rosea E. L. Rand & Redfield

Species Achillea multiflora Hook.

Species Achillea nigrescens (E. Mey.) Rydb.

Species Achillea nobilis L.

Species Achillea ptarmica L.

subspecies Achillea ptarmica L. ssp. euptarmica Heimerl

form Achillea ptarmica L. forma multiplex (P. Renault) Heimerl

Species Achillea sibirica Ledeb.

Species Achillea tomentosa L.

Species Achillea trichophylla Schrenk ex Fisch. & C. A. Mey.

Species Achillea erba-rotta All.

subspecies Achillea erba-rotta All. ssp. moschata (Welf.) I. Richardson

Genus Actinea Juss.

Species Actinea richardsonii (Hook.) Kuntze

Genus Ageratina Spach

Species Ageratina herbacea (A. Gray) R. M. King & H. Rob.

Species Ageratina adenophora (Spreng.) R. M. King & H. Rob.

Genus Ageratum L.

Species Ageratum conyzoides L.

Genus Agoseris Raf.

Species Agoseris alpestris (A. Gray) Greene

Species Agoseris alpestris (A. Gray) Greene

Species Agoseris apargioides (Less.) Greene

Species Agoseris aurantiaca (Hook.) Greene

variety Agoseris aurantiaca (Hook.) Greene var. aurantiaca

Species Agoseris cuspidata (Pursh) Steud.

Species Agoseris glauca (Pursh) Raf.

variety Agoseris glauca (Pursh) Raf. var. agrestis (Osterh.) Q. Jones ex Cronquist

variety Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps.

variety Agoseris glauca (Pursh) Raf. var. glauca

variety Agoseris glauca (Pursh) Raf. var. laciniata (D. C. Eaton) Smiley

variety Agoseris glauca (Pursh) Raf. var. scorzonerifolia (Schrad.) Piper

Species Agoseris grandiflora (Nutt.) Greene

Species Agoseris heterophylla (Nutt.) Greene

Species Agoseris laciniata (Nutt.) Greene

Species Agoseris naskapensis Rousseau & Raymond

Species Agoseris parviflora (Nutt.) D. Dietr.

Species Agoseris pumila (Nutt.) Rydb.

Species Agoseris rosea (Nutt.) D. Dietr.

Species Agoseris scorzonerifolia (Schrad.) Greene

Species Agoseris vestita Greene

Species Agoseris villosa Rydb.

Genus Amblyolepis DC.

Species Amblyolepis setigera DC.

Genus Ambrosia L.

Species Ambrosia ambrosioides (Cav.) W. W. Payne × Ambrosia salsola (Torr. & A. Gray) Strother & B. G. Baldwin

Species Ambrosia artemisiifolia L.

variety Ambrosia artemisiifolia L. var. elatior (L.) Descourt.

Species Ambrosia confertiflora DC.

Species Ambrosia coronopifolia Torr. & A. Gray

Species Ambrosia dumosa (A. Gray) W. W. Payne

Species Ambrosia elatior L.

Species Ambrosia eriocentra (A. Gray) W. W. Payne

Species Ambrosia tomentosa Nutt.

Species Ambrosia trifida L.

variety Ambrosia trifida L. var. texana Scheele

variety Ambrosia trifida L. var. trifida

form Ambrosia trifida L. forma integrifolia (Muhl. ex Willd.) Fernald

Species Ambrosia psilostachya DC.

variety Ambrosia psilostachya DC. var. californica (Rydb.) S. F. Blake

variety Ambrosia psilostachya DC. var. coronopifolia (Torr. & A. Gray) Farw.

Genus Amphiachyris (DC.) Nutt.

Species Amphiachyris dracunculoides (DC.) Nutt.

Species Amphiachyris fremontii (Torr. & A. Gray) A. Gray

Genus Anaphalis DC.

Species Anaphalis margaritacea (L.) Benth. & Hook. f.

variety Anaphalis margaritacea (L.) Benth. & Hook. f. var. angustior (Miq.) Nakai

variety Anaphalis margaritacea (L.) Benth. & Hook. f. var. occidentalis Greene

variety Anaphalis margaritacea (L.) Benth. & Hook. f. var. subalpina (A. Gray) A. Gray

Species Anaphalis subalpina (A. Gray) Rydb.

Genus Anisocoma Torr. & A. Gray

Species Anisocoma acaulis Torr. & A. Gray

Genus Antennaria Gaertn.

Species Antennaria alaskana Malte

Species Antennaria alpina (L.) Gaertn.

variety Antennaria alpina (L.) Gaertn. var. media (Greene) Jeps.

Species Antennaria anaphaloides Rydb.

Species Antennaria aprica Greene

Species Antennaria arcuata Cronquist

Species Antennaria argentea Benth.

Species Antennaria aromatica Evert × Antennaria racemosa Hook.

Species Antennaria compacta Malte

Species Antennaria corymbosa E. E. Nelson × Antennaria microphylla Rydb.

Species Antennaria densifolia A. E. Porsild

Species Antennaria dimorpha (Nutt.) Torr. & A. Gray

Species Antennaria dioica (L.) Gaertn.

Species Antennaria ekmaniana A. E. Porsild

Species Antennaria eucosma Fernald & Wiegand

Species Antennaria flagellaris (A. Gray) A. Gray

Species Antennaria friesiana (Trautv.) E. Ekman

subspecies Antennaria friesiana (Trautv.) E. Ekman ssp. alaskana (Malte) Hultén

subspecies Antennaria friesiana (Trautv.) E. Ekman ssp. friesiana

Species Antennaria friesiana (Trautv.) E. Ekman × Antennaria microcephala A. Gray

Species Antennaria geyeri A. Gray

Species Antennaria isolepis Greene

Species Antennaria lanata (Hook.) Greene

Species Antennaria marginata Greene

Species Antennaria media Greene

Species Antennaria microphylla Rydb.

Species Antennaria monocephala DC.

subspecies Antennaria monocephala DC. ssp. angustata (Greene) Hultén

subspecies Antennaria monocephala DC. ssp. monocephala

Species Antennaria neglecta Greene

Species Antennaria neoalaskana A. E. Porsild

Species Antennaria nitida Greene

Species Antennaria parviflora Nutt.

Species Antennaria parvifolia Nutt.

Species Antennaria pulchella Greene

Species Antennaria pulcherrima (Hook.) Greene

subspecies Antennaria pulcherrima (Hook.) Greene ssp. pulcherrima

Species Antennaria racemosa Hook.

Species Antennaria racemosa Hook. × Antennaria umbrinella Rydb.

Species Antennaria rosea Greene

subspecies Antennaria rosea Greene ssp. arida (E. E. Nelson) R. J. Bayer

subspecies Antennaria rosea Greene ssp. confinis (Greene) R. J. Bayer

subspecies Antennaria rosea Greene ssp. pulvinata (Greene) R. J. Bayer

subspecies Antennaria rosea Greene ssp. rosea

Species Antennaria rosulata Rydb.

Species Antennaria soliceps S. F. Blake

Species Antennaria solitaria Rydb.

Species Antennaria stenophylla (A. Gray) A. Gray

Species Antennaria stolonifera A. E. Porsild

Species Antennaria subviscosa Fernald

Species Antennaria suffrutescens Greene

Species Antennaria umbrinella Rydb.

Species Antennaria ×erigeroides Greene

Species Antennaria howellii Greene

subspecies Antennaria howellii Greene ssp. canadensis (Greene) R. J. Bayer

subspecies Antennaria howellii Greene ssp. howellii

subspecies Antennaria howellii Greene ssp. neodioica (Greene) R. J. Bayer

subspecies Antennaria howellii Greene ssp. petaloidea (Fernald) R. J. Bayer

variety Antennaria howellii Greene var. howellii

Species Antennaria luzuloides Torr. & A. Gray

subspecies Antennaria luzuloides Torr. & A. Gray ssp. aberrans (E. E. Nelson) R. J. Bayer & Stebbins

Species Antennaria parlinii Fernald

subspecies Antennaria parlinii Fernald ssp. fallax (Greene) R. J. Bayer & Stebbins

subspecies Antennaria parlinii Fernald ssp. parlinii

Genus Anthemis L.

Species Anthemis arvensis L.

Species Anthemis biebersteiniana Adam

Species Anthemis cotula L.

Species Anthemis montana L.

Species Anthemis nobilis L.

Species Anthemis sancti-johannis Stoj. & Turrill

Species Anthemis tigrensis J. Gay ex A. Rich.

Species Anthemis tinctoria L.

variety Anthemis arvensis L. var. agrestis (Wallr.) DC.

Genus Aphanostephus DC.

Species Aphanostephus pilosus Buckley

Species Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner

Genus Aposeris Necker ex Cassini

Species Aposeris foetida (L.) Less.

Genus Arctium L.

Species Arctium lappa L.

Species Arctium minus (Hill) Bernh.

Species Arctium nemorosum Lej.

Species Arctium tomentosum Mill.

Genus Arnica L.

Species Arnica angustifolia Vahl

subspecies Arnica angustifolia Vahl ssp. angustifolia

subspecies Arnica angustifolia Vahl ssp. attenuata (Greene) G. W. Douglas & Ruyle-Douglas

subspecies Arnica angustifolia Vahl ssp. tomentosa (J. M. Macoun) G. W. Douglas & Ruyle-Douglas

Species Arnica cernua Howell

Species Arnica chamissonis Less.

subspecies Arnica chamissonis Less. ssp. chamissonis

subspecies Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire

subspecies Arnica chamissonis Less. ssp. incana (A. Gray) Maguire

Species Arnica cordifolia Hook.

variety Arnica cordifolia Hook. var. cordifolia

Species Arnica discoidea Benth.

Species Arnica diversifolia Greene

Species Arnica fulgens Pursh

Species Arnica gracilis Rydb.

Species Arnica latifolia Bong.

variety Arnica latifolia Bong. var. gracilis (Rydb.) Cronquist

variety Arnica latifolia Bong. var. latifolia

Species Arnica lessingii (Torr. & A. Gray) Greene

subspecies Arnica lessingii (Torr. & A. Gray) Greene ssp. lessingii

Species Arnica lonchophylla Greene

subspecies Arnica lonchophylla Greene ssp. lonchophylla

Species Arnica mollis Hook.

Species Arnica nevadensis A. Gray

Species Arnica pseudomollis W. Sm. Gruezo

Species Arnica rydbergii Greene

Species Arnica snyderi Raup

Species Arnica sororia Greene

Species Arnica spathulata Greene

Species Arnica venosa H. M. Hall

Species Arnica viscosa A. Gray

Species Arnica alpina (L.) Olin & Ladau nom. illeg.

subspecies Arnica alpina (L.) Olin & Ladau ssp. angustifolia (Vahl) Maguire

Species Arnica amplexicaulis Nutt.

subspecies Arnica amplexicaulis Nutt. ssp. amplexicaulis

subspecies Arnica amplexicaulis Nutt. ssp. prima (Maguire) Maguire

Species Arnica frigida C. A. Mey. ex Iljin

subspecies Arnica frigida C. A. Mey. ex Iljin ssp. frigida

Species Arnica griscomii Fernald

subspecies Arnica griscomii Fernald ssp. frigida (C. A. Meyer ex Iljin) S. J. Wolf

subspecies Arnica griscomii Fernald ssp. griscomii

Species Arnica lanceolata Nutt.

subspecies Arnica lanceolata Nutt. ssp. lanceolata

subspecies Arnica lanceolata Nutt. ssp. prima (Maguire) Strother & S. J. Wolf

Species Arnica longifolia D. C. Eaton

subspecies Arnica longifolia D. C. Eaton ssp. longifolia

subspecies Arnica longifolia D. C. Eaton ssp. myriadenia (Piper) Maguire

Species Arnica louiseana Farr

subspecies Arnica louiseana Farr ssp. louiseana

variety Arnica louiseana Farr var. frigida (C. A. Mey. ex Iljin) S. L. Welsh

Species Arnica parryi A. Gray

subspecies Arnica parryi A. Gray ssp. parryi

Genus Artemisia L.

Species Artemisia absinthium L.

variety Artemisia absinthium L. var. insipida Stechmann

Species Artemisia alaskana Rydb.

Species Artemisia annua L.

Species Artemisia arbuscula Nutt.

variety Artemisia arbuscula Nutt. var. nova (A. Nelson) Cronquist

Species Artemisia biennis Willd.

Species Artemisia bigelovii A. Gray

Species Artemisia bothnica Lundstr. ex Nyman

Species Artemisia californica Less.

Species Artemisia campestris L.

subspecies Artemisia campestris L. ssp. borealis (Pall.) H.M. Hall & Clem.

subspecies Artemisia campestris L. ssp. canadensis (Michx.) Scoggan

subspecies Artemisia campestris L. ssp. caudata (Michx.) H. M. Hall & Clem.

subspecies Artemisia campestris L. ssp. pacifica (Nutt.) H. M. Hall & Clem.

variety Artemisia campestris L. var. canadensis (Michx. ) S. L. Welsh

variety Artemisia campestris L. var. scouleriana (Besser) Cronquist

Species Artemisia camporum Rydb.

Species Artemisia cana Pursh

subspecies Artemisia cana Pursh ssp. cana

subspecies Artemisia cana Pursh ssp. viscidula (Osterh.) Beetle

Species Artemisia canadensis Michx.

Species Artemisia carruthii Alph. Wood ex Carruth

Species Artemisia caudata Michx.

variety Artemisia caudata Michx. var. douglasiana (Besser) B. Boivin

variety Artemisia caudata Michx. var. rydbergiana B. Boivin

Species Artemisia douglasiana Besser

Species Artemisia dracunculoides Pursh

Species Artemisia dracunculus L.

variety Artemisia dracunculus L. var. dracunculus

Species Artemisia filifolia Torr.

Species Artemisia frigida Willd.

Species Artemisia herriotii Rydb.

Species Artemisia hyperborea Rydb.

Species Artemisia laciniata Willd.

Species Artemisia lagocephala (Fisch. ex Besser) DC.

Species Artemisia lindleyana Besser

Species Artemisia longifolia Nutt.

Species Artemisia michauxiana Besser

Species Artemisia norvegica Fr.

subspecies Artemisia norvegica Fr. ssp. saxatilis (Besser) H.M. Hall & Clem.

variety Artemisia norvegica Fr. var. saxatilis (Besser) Jeps.

Species Artemisia nova A. Nelson

Species Artemisia palmeri A. Gray

Species Artemisia pattersonii A. Gray

Species Artemisia pontica L.

Species Artemisia pygmaea A. Gray

Species Artemisia richardsoniana Besser

Species Artemisia rigida (Nutt.) A. Gray

Species Artemisia scopulorum A. Gray

Species Artemisia senjavinensis Besser

Species Artemisia sericea Weber ex Stechm.

Species Artemisia serrata Nutt.

Species Artemisia spinescens D. C. Eaton

Species Artemisia stelleriana Besser

Species Artemisia suksdorfii Piper

Species Artemisia tilesii Ledeb.

subspecies Artemisia tilesii Ledeb. ssp. elatior (Torr. & A. Gray) Hultén

variety Artemisia tilesii Ledeb. var. unalaschcensis Besser

Species Artemisia vulgaris L.

subspecies Artemisia vulgaris L. ssp. wrightii (A. Gray) H. M. Hall & Clem.

Species Artemisia arctica Less.

subspecies Artemisia arctica Less. ssp. arctica

subspecies Artemisia arctica Less. ssp. comata (Rydb.) Hultén

subspecies Artemisia arctica Less. ssp. saxicola (Rydb.) Hultén

Species Artemisia borealis Pall.

subspecies Artemisia borealis Pallas ssp. borealis

subspecies Artemisia borealis Pallas ssp. richardsoniana (Besser) Korobkov

Species Artemisia ludoviciana Nutt.

subspecies Artemisia ludoviciana Nutt. ssp. gnaphalodes (Nutt.) Á. Löve & D. Löve

subspecies Artemisia ludoviciana Nutt. ssp. incompta (Nutt.) D. D. Keck

subspecies Artemisia ludoviciana Nutt. ssp. ludoviciana

variety Artemisia ludoviciana Nutt. var. gnaphalodes (Nutt.) Torr. & A. Gray

variety Artemisia ludoviciana Nutt. var. ludoviciana

variety Artemisia ludoviciana Nutt. var. pabularis (A. Nelson) Fernald

Species Artemisia tridentata Nutt.

subspecies Artemisia tridentata Nutt. ssp. tridentata

subspecies Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Beetle

subspecies Artemisia tridentata Nutt. ssp. wyomingensis Beetle & A.M. Young

variety Artemisia tridentata var. tridentata

Genus Askellia W. A. Weber

Species Askellia elegans (Hooker) W. A. Weber

Species Askellia nana (Richardson) W. A. Weber

Species Askellia pygmaea (Ledebebour) Sennikov

Genus Aster L.

Species Aster abatus S. F. Blake

Species Aster acer Roehl.

Species Aster acuminatus Michx.

Species Aster adscendens Lindl.

Species Aster alpigenus (Torr. & A. Gray) A. Gray

Species Aster alpinus L.

subspecies Aster alpinus L. ssp. vierhapperi Onno

variety Aster alpinus L. var. vierhapperi (Onno) Cronquist

Species Aster altaicus Willd.

Species Aster ascendens Lindl.

Species Aster azureus Lindl.

Species Aster bellidiastrum (L.) Scop.

Species Aster bigelovii A. Gray

Species Aster borealis (Torr. & A. Gray) Prov.

Species Aster brachyactis S. F. Blake

Species Aster canescens Pursh

Species Aster chapmanii Torr. & A. Gray

Species Aster chilensis Nees

Species Aster ciliolatus Lindl.

Species Aster commutatus (Torr. & A. Gray) A. Gray

Species Aster concolor L.

Species Aster conspicuus Lindl.

Species Aster divaricatus L.

Species Aster engelmannii (D. C. Eaton) A. Gray

Species Aster ericoides L.

subspecies Aster ericoides L. ssp. ericoides

subspecies Aster ericoides L. ssp. pansus (S. F. Blake) A. G. Jones

variety

variety Aster ericoides L. unranked stricticaulis (Torr. & A. Gray) F. C. Gates

variety Aster ericoides L. var. ericoides

variety Aster ericoides L. var. prostratus (Kuntze) S. F. Blake

Species Aster eryngiifolius Torr. & A. Gray

Species Aster falcatus Lindl.

subspecies Aster falcatus Lindl. ssp. commutatus (Torrey & A. Gray) A. G. Jones

subspecies Aster falcatus Lindl. ssp. falcatus

Species Aster fendleri A. Gray

Species Aster foliaceus Lindl. ex DC.

variety Aster foliaceus Lindl. ex DC. var. parryi (D. C. Eaton) A. Gray

Species Aster glaucodes S. F. Blake

Species Aster hesperius A. Gray

variety

variety Aster hesperius A. Gray var. laetevirens (Greene) Cronquist

Species Aster integrifolius Nutt.

Species Aster junciformis Rydb.

Species Aster laevis L.

variety Aster laevis L. var. geyeri A. Gray

Species Aster lanceolatus Willd.

subspecies Aster lanceolatus Willd. ssp. hesperius (A. Gray) Semple & Chmiel.

Species Aster lateriflorus (L.) Britton

Species Aster ledophyllus (A. Gray) A. Gray

Species Aster leucelene S. F. Blake

Species Aster linariifolius L.

Species Aster lindleyanus Torr. & A. Gray

Species Aster linosyris Benth.

Species Aster longulusE. Sheld.

Species Aster lowrieanus Porter

Species Aster maccallae Rydb.

Species Aster macrophyllus L.

Species Aster meritus A. Nelson

Species Aster modestus Lindl.

Species Aster nemoralis Aiton

Species Aster novae-angliae L.

Species Aster novi-belgii L.

Species Aster occidentalis (Nutt.) Torr. & A. Gray

Species Aster ontarionis Wiegand

Species Aster osterhoutii Rydb.

Species Aster pansus (S. F. Blake) Cronquist

Species Aster praealtus Poiret

Species Aster ptarmicoides Torr. & A. Gray

Species Aster puniceus L.

variety Aster puniceus L. var. puniceus

form Aster puniceus L. forma colbyi Shinners

form Aster puniceus L. forma puniceus

Species Aster pygmaeus L.

Species Aster radula A.

Species Aster sagittifolius Wedem. ex Willd.

variety Aster sagittifolius Wedem. ex Willd. var. drummondii ( Lindl. ex Hook. ) Shinners

Species Aster scopulorum A. Gray

Species Aster sibiricus L.

variety Aster sibiricus L. var. meritus (A. Nelson) Raup

Species Aster silenifolius Turcz.

Species Aster simplex Willd.

variety Aster simplex Willd. var. interior (Wiegand) Cronquist

variety Aster simplex Willd. var. ramosissimus (T. & G.) A. Cronquist

Species Aster spectabilis Aiton

Species Aster spinulosus Chapm.

Species Aster stenomeres A. Gray

Species Aster subgriseus Rydb.

Species Aster subintegerrimus Trautv.

Species Aster subspicatus Nees

Species Aster subulatus Michx.

Species Aster surculosus Michx.

Species Aster tradescantii L.

Species Aster tripolium L.

Species Aster undulatus L.

Species Aster yukonensis Cronquist

Species Aster pilosus Willd.

variety Aster pilosus Willd. var. pilosus

variety Aster pilosus Willd. var. pringlei (A. Gray) S. F. Blake

Species Aster shastensis (A. Gray) A. Gray

variety Aster shastensis (A. Gray) var. eradiatus A. Gray

Species Aster umbellatus Mill.

variety Aster umbellatus Mill. var. pubens A. Gray

Genus Astranthium Nutt.

Species Astranthium integrifolium (Michx.) Nutt.

Genus Baccharis L.

Species Baccharis emoryi A. Gray

Species Baccharis glutinosa Pers.

Species Baccharis halimifolia L.

Species Baccharis halimimorpha DC.

Species Baccharis pilularis DC.

Species Baccharis sarothroides A. Gray

Species Baccharis viminea DC.

Species Baccharis rufescens Spreng.

variety Baccharis rufescens Spreng. var. tenuifolia (DC.) Baker

Genus Baeria Fisch. & C. A. Mey.

Species Baeria chrysostoma Fisch. & C. A. Mey.

Species Baeria gracilis (DC.) A. Gray

Genus Bahia Lag.

Species Bahia oppositifolia (Nutt.) DC.

Genus Bahiopsis Kellogg

Species Bahiopsis parishii (Greene) E. E. Schill. & Panero

Genus Baileya Harv. & A. Gray ex Torr.

Species Baileya multiradiata Harv. & A. Gray

Species Baileya pleniradiata Harv. & A. Gray

Genus Balsamorhiza Hook. ex Nutt.

Species Balsamorhiza careyana A. Gray

variety Balsamorhiza careyana A. Gray var. intermedia Cronquist

Species Balsamorhiza hispidula W.M. Sharp

Species Balsamorhiza incana Nutt.

Species Balsamorhiza macrophylla Nutt.

Species Balsamorhiza hirsuta Nutt.

variety Balsamorhiza hirsuta Nutt. var. lagocephala W.M. Sharp

Genus Bebbia Greene

Species Bebbia juncea (Benth.) Greene

variety Bebbia juncea (Benth.) Greene var. aspera Greene

Genus Bedfordia DC.

Species Bedfordia salicina (Labill. ) DC.

Genus Bellis L.

Species Bellis integrifolia Michx.

Species Bellis perennis L.

Genus Berlandiera DC.

Species Berlandiera lyrata Benth.

Genus Bidens L.

Species Bidens aurea (Aiton) Sherff

Species Bidens eatonii Fernald

Species Bidens hyperborea Greene

Species Bidens infirma Fernald

Species Bidens radiata Thuill.

Species Bidens tenuisecta A. Gray

Species Bidens tripartita L.

Species Bidens pilosa L.

variety Bidens pilosa L. var. radiata (Sch. Bip.) J. A. Schmidt

Species Bidens vulgata Greene

variety Bidens vulgata Greene var. vulgata

Genus Blennosperma Less.

Species Blennosperma nanum (Hook.) S.F. Blake

Genus Blepharispermum Wight ex DC.

Species Blepharispermum fruticosum Klatt

Genus Blumea DC.

Species Blumea cafra (DC.) O. Hoffm.

Species Blumea mollis (D. Don) Merr.

Genus Boltonia L'Hér.

Species Boltonia asteroides (L.) L'Hér.

variety Boltonia asteroides (L.) L'Hér. var. recognita (Fernald & Griscom) Cronquist

Species Boltonia latisquama A. Gray

variety Boltonia latisquama A. Gray var. recognita Fernald & Griscom

Genus Borrichia Adans.

Species Borrichia frutescens (L.) DC.

Species Borrichia × cubana Britton & S. F. Blake

Genus Bothriocline Oliv. ex Benth.

Species Bothriocline calycina (S. Moore) M.G. Gilbert

Genus Brachychaeta Torr. & A. Gray

Species Brachychaeta cordata (Short & R. Peter) Torr. & A. Gray

Genus Brachylaena R. Br.

Species Brachylaena huillensis O. Hoffm.

Genus Bradburia Torr. & A. Gray

Species Bradburia hirtella Torr. & A. Gray

Genus Brickellia Elliott

Species Brickellia arguta B.L. Rob.

Species Brickellia atractyloides A. Gray

Species Brickellia eupatorioides (L.) Shinners

variety Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners

Species Brickellia frutescens A. Gray

Species Brickellia longifolia S. Watson

Species Brickellia microphylla (Nutt.) A. Gray

Species Brickellia oblongifolia Nutt

Genus Cacalia Kuntze

Species Cacalia suaveolens L.

Species Cacalia tuberosa Nutt

Genus Calycadenia DC.

Species Calycadenia truncata DC.

Genus Calycoseris A. Gray

Species Calycoseris parryi A. Gray

Species Calycoseris wrightii A. Gray

Genus Canadanthus G. L. Nesom

Species Canadanthus modestus (Lindley) G. L. Nesom

Genus Carduus L.

Species Carduus crispus L.

Species Carduus nutans L.

subspecies Carduus nutans L. ssp. leiophyllus (Petrovič) Stoj. & Stef.

subspecies Carduus nutans L. ssp. nutans

Species Carduus personata Jacq.

Species Carduus tenuiflorus Curtis

Species Carduus × orthocephalus Wallr.

Genus Carlina L.

Species Carlina acaulis L.

Species Carlina vulgaris L.

Genus Carphochaete A. Gray

Species Carphochaete bigelovii A. Gray

Genus Carthamus L.

Species Carthamus tinctorius L.

Genus Cassinia R. Br.

Species Cassinia tenuifolia Benth.

Genus Celmisia Cass.

Species Celmisia vernicosa Hook. f.

Genus Centaurea L.

Species Centaurea balsamita D. Don

Species Centaurea cyanus L.

Species Centaurea dealbata Willd.

Species Centaurea jacea L.

Species Centaurea lasiopoda M. Pop. & Kult.

Species Centaurea macrocephala Muss. Puschk. ex Willd.

Species Centaurea macroptilon Borbás

Species Centaurea maculosa Lam.

Species Centaurea melitensis L.

Species Centaurea mollis W. K.

Species Centaurea montana L.

Species Centaurea nigra L.

subspecies Centaurea nigra L. ssp. nemoralis (Jord.) Gremli

Species Centaurea phrygia L.

Species Centaurea pseudophrygia C. A. Meyer

Species Centaurea pulchella Ledeb.

Species Centaurea repens L.

Species Centaurea scabiosa L.

Species Centaurea solstitialis L.

Species Centaurea stoebe L.

subspecies Centaurea stoebe L. ssp. micranthos (S. G. Gmel. ex Gugler) Hayek

Species Centaurea vvedenskyi Popov

Genus Chaenactis DC.

Species Chaenactis artemisiifolia (Harv. & A. Gray) A. Gray

Species Chaenactis fremontii A. Gray

Species Chaenactis macrantha D. C. Eaton

Species Chaenactis stevioides Hook. & Arn.

Species Chaenactis thompsonii Cronquist

Species Chaenactis xantiana A. Gray

Species Chaenactis carphoclinia A. Gray

variety Chaenactis carphoclinia A. Gray var. carphoclinia

Species Chaenactis douglasii (Hook.) Hook. & Arn.

variety Chaenactis douglasii (Hook.) Hook. & Arn. var. alpina A. Gray

Species Chaenactis glabriuscula DC.

variety Chaenactis glabriuscula DC. var. denudata (Nutt.) Munz

variety Chaenactis glabriuscula DC. var. glabriuscula

Genus Chaetopappa DC.

Species Chaetopappa asteroides (Nutt.) DC.

Genus Chamaechaenactis Rydb.

Species Chamaechaenactis scaposa (Eastw.) Rydb.

Genus Chamomilla Gray

Species Chamomilla recutita (L.) Rauschert

Species Chamomilla suaveolens (Pursh) Rydb.

Genus Chondrilla L.

Species Chondrilla juncea L.

Genus Chrysanthemum L.

Species Chrysanthemum atratum Jacq.

Species Chrysanthemum balsamita L.

Species Chrysanthemum leucanthemum L.

variety Chrysanthemum leucanthemum L. var. pinnatifidum Lecoq & Lamotte

variety Chrysanthemum leucanthemum var. leucanthemum

Species Chrysanthemum maximum Ramond

Species Chrysanthemum multicaule Desf.

Species Chrysanthemum parthenium (L.) Bernh.

Species Chrysanthemum zawadskii Herbich

Species Chrysanthemum alpinum L.

Species Chrysanthemum arcticum L.

subspecies Chrysanthemum arcticum L. ssp. polare Hultén

Species Chrysanthemum bipinnatum L.

subspecies Chrysanthemum bipinnatum L. ssp. bipinnatum

Genus Chrysopsis (Nutt.) Elliott

Species Chrysopsis hirsutissima Greene

Species Chrysopsis hyssopifolia Nutt.

Species Chrysopsis mariana (L.) Elliott

Species Chrysopsis villosa (Pursh) Nutt. ex DC.

Species Chrysopsis graminifolia (Michx.) Elliott

variety Chrysopsis graminifolia (Michx.) Elliott var. aspera A. Gray

Genus Chrysothamnus Nutt.

Species Chrysothamnus bloomeri (A. Gray) Greene

Species Chrysothamnus viscidiflorus (Hook.) Nutt.

subspecies Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. viscidiflorus

variety Chrysothamnus viscidiflorus (Hook.) Nutt. var. viscidiflorus

Genus Chuquiraga Juss.

Species Chuquiraga macrocephala Baker

Species Chuquiraga spinosa Less.

Genus Cicerbita Wallr.

Species Cicerbita alpina (L.) Wallr.

Genus Cichorium L.

Species Cichorium intybus L.

Genus Cirsium Mill.

Species Cirsium acaulescens (A. Gray) K. Schum.

Species Cirsium arvense (L.) Scop.

variety Cirsium arvense (L.) Scop. var. horridum Wimm. & Grab.

variety Cirsium arvense (L.) Scop. var. integrifolium Wimm. & Grab.

form Cirsium arvense (L.) Scop. fo. albiflorum (E. L. Rand & Redfield) Ralph Hoffm.

Species Cirsium breweri (A. Gray) Jeps.

Species Cirsium calcareum (M.E. Jones) Wooton & Standl.

Species Cirsium centaureae (Rydb.) K. Schum.

Species Cirsium clokeyi S.F. Blake

Species Cirsium discolor (Muhl. ex Willd.) Spreng.

Species Cirsium drummondii Torr. & A. Gray

Species Cirsium edule Nutt.

Species Cirsium erisithales Scop.

Species Cirsium flodmanii (Rydb.) Arthur

Species Cirsium foliosum (Hook.) DC.

Species Cirsium heterophyllum (L.) Hill

Species Cirsium hillii (Canby) Fernald

Species Cirsium hookerianum Nutt.

Species Cirsium kelseyi (Rydb.) Petrak

Species Cirsium muticum Michx.

Species Cirsium occidentale (Nutt.) Jeps.

variety Cirsium occidentale (Nutt.) Jeps. var. candidissimum (Greene) J. F. Macbr.

Species Cirsium palustre (L.) Scop.

Species Cirsium pitcheri (Torr. ex Eaton) Torr. & A. Gray

Species Cirsium pumilum (Nutt.) Spreng.

Species Cirsium rivulare All.

Species Cirsium scariosum Nutt.

variety Cirsium scariosum Nutt. var. scariosum

Species Cirsium setosum (Willd.) M. Bieb.

Species Cirsium tracyi (Rydb.) Petr.

Species Cirsium tweedyi (Rydb.) Petr.

Species Cirsium undulatum Spreng.

Species Cirsium vulgare (Savi) Ten.

Species Cirsium wheeleri (A. Gray) Petr.

Genus Cladanthus Cass.

Species Cladanthus arabicus (L.) Cass.

Genus Cnicus L.

Species Cnicus benedictus L.

Species Cnicus helenioides (L.) Willd.

Genus Conyza Less.

Species Conyza canadensis (L.) Cronquist

Species Conyza pallidiflora R. E. Fr.

Species Conyza pyrifolia Lam.

Genus Coreopsis L.

Species Coreopsis auriculata L.

Species Coreopsis basalis (A. Dietr.) S. F. Blake

Species Coreopsis bigelovii (A. Gray) Voss

Species Coreopsis cardaminefolia (DC.) Torr. & A. Gray

Species Coreopsis gladiata Walter

Species Coreopsis lanceolata L.

variety Coreopsis lanceolata L. var. villosa Michx.

Species Coreopsis maritima (Nutt.) Hook. f.

Species Coreopsis pubescens Elliott

Species Coreopsis tinctoria Nutt.

Species Coreopsis tripteris L.

Species Coreopsis verticillata L.

Genus Corethrogyne DC.

Species Corethrogyne filaginifolia (Hook. & Arn.) Nutt.

variety Corethrogyne filaginifolia (Hook. & Arn.) Nutt. var. virgata (Benth.) A. Gray

Genus Cotula L.

Species Cotula abyssinica Sch. Bip. ex A. Rich.

Species Cotula australis (Siebold ex Sprenger) Hooker f.

Species Cotula coronopifolia L.

Genus Cousinia Cass.

Species Cousinia alberti Regel & Schmalh.

Species Cousinia dissectifolia Kult.

Species Cousinia microcarpa Boiss.

Species Cousinia sewertzowii Regel

Species Cousinia syrdarjensis Kult.

Species Cousinia tianschanica Kult.

Species Cousinia triflora Schrenk

Genus Craspedia G. Forst.

Species Craspedia glauca Spreng.

Genus Crepis L.

Species Crepis acuminata Nutt.

subspecies Crepis acuminata Nutt. ssp. acuminata

Species Crepis aurea (L.) Cass.

Species Crepis barbigera Leiberg ex Coville

Species Crepis biennis L.

Species Crepis capillaris (L.) Wallr.

Species Crepis chrysantha (Ledeb.) Turcz.

Species Crepis elegans Hook.

Species Crepis glareosa Piper

Species Crepis lyrata (L.) Froel.

Species Crepis nana Richardson

Species Crepis nicaeensis Balb. ex Pers.

Species Crepis paludosa (L.) Moench

Species Crepis pleurocarpa A. Gray

Species Crepis polytricha (Ledeb.) Turcz.

Species Crepis pulchra L.

Species Crepis rostrata Coville

Species Crepis rubra L.

Species Crepis runcinata (E. James) Torr. & A. Gray

subspecies Crepis runcinata (E. James) Torr. & A. Gray ssp. hispidulosa (Howell ex Rydb.) Babc. & Stebbins

variety Crepis runcinata (E. James) Torr. & A. Gray var. glauca (Nutt.) B. Boivin

variety Crepis runcinata (E. James) Torr. & A. Gray var. hispidulosa Howell ex Rydb.

variety Crepis runcinata (E. James) Torr. & A. Gray var. runcinata

Species Crepis sibirica L.

Species Crepis tectorum L.

Species Crepis atribarba A. Heller

subspecies Crepis atribarba A. Heller ssp. originalis (Babc. & Stebbins) Babc. & Stebbins

Species Crepis modocensis Greene

subspecies Crepis modocensis Greene ssp. modocensis

Species Crepis occidentalis Nutt.

variety Crepis occidentalis Nutt. var. costata A. Gray

Genus Crocidium Hook.

Species Crocidium multicaule Hook.

Genus Crupina (Pers.) DC.

Species Crupina pauciflora Kar. & Kir.

Genus Dieteria Nuttall

Species Dieteria canescens (Pursh) Nuttall

Genus Doellingeria Nees

Species Doellingeria umbellata (Mill.) Nees

variety Doellingeria umbellata (Mill.) Nees var. pubens (A. Gray) Britton

Genus Doronicum L.

Species Doronicum clusii (All.) Tausch

Genus Dubautia Gaudich.

Species Dubautia ciliolata (DC.) D. D. Keck

Genus Dyssodia Cav.

Species Dyssodia cooperi A. Gray

Species Dyssodia papposa (Vent.) Hitchc.

Species Dyssodia pentachaeta (DC.) B. L. Rob.

Species Dyssodia porophylloides A. Gray

Species Dyssodia tagetoides Torr. & A. Gray

Species Dyssodia wrightii (A. Gray) B. L. Rob.

Genus Echinacea Moench

Species Echinacea angustifolia DC.

Species Echinacea pallida (Nutt.) Nutt.

Genus Echinops Linnaeus

Species Echinops hoehnelii Schweinf.

Species Echinops ritro L.

Species Echinops sphaerocephalus Linnaeus

Genus Eclipta L.

Species Eclipta alba (L.) Hassk.

Species Eclipta prostrata (L.) L.

Genus Emilia Cass.

Species Emilia javanica (Burm. f.) C. B. Rob.

Genus Encelia Adans.

Species Encelia californica Nutt.

Species Encelia farinosa A. Gray ex Torr.

Species Encelia frutescens (A. Gray) A. Gray

Species Encelia virginensis A. Nelson

Genus Engelmannia A. Gray ex Nutt.

Species Engelmannia pinnatifida Nutt.

Genus Erechtites Raf.

Species Erechtites hieraciifolius (L.) Raf. ex DC.

Species Erechtites megalocarpus Fernald

Species Erechtites prenanthoides (A. Rich.) DC.

Genus Ericameria Nutt.

Species Ericameria laricifolia (A. Gray) Shinners

Species Ericameria linearifolia (DC.) Urbatsch & Wussow

Species Ericameria nauseosa (Pall. ex Pursh) G. L. Nesom & G. I. Baird

variety Ericameria nauseosa (Pall. ex Pursh) G. L. Nesom & G. I. Baird var. nauseosa

variety Ericameria nauseosa (Pall. ex Pursh) G. L. Nesom & G. I. Baird var. speciosa (Nuttall) G. L. Nesom & G. I. Baird

Species Ericameria paniculata (A. Gray) Rydb.

Species Ericameria parryi (A. Gray) G. L. Nesom & G. I. Baird

Species Ericameria resinosa Nutt.

Genus Erigeron L.

Species Erigeron abajoensis Cronquist

Species Erigeron acris L.

subspecies Erigeron acris L. ssp. debilis (A. Gray) Piper

subspecies Erigeron acris L. ssp. politus (Fr.) H. Lindb.

variety Erigeron acris L. var. asteroides DC.

variety Erigeron acris L. var. debilis A. Gray

variety Erigeron acris L. var. elatus (Hook.) Cronquist

variety Erigeron acris L. var. kamtschaticus (DC.) Herder

Species Erigeron aliceae Howell

Species Erigeron annuus (L.) Pers.

subspecies Erigeron annuus (L.) Pers. ssp. septentrionalis (Fernald & Wiegand) Wagenitz

Species Erigeron aphanactis (A. Gray) Greene

Species Erigeron arthurii B. Boivin

Species Erigeron aureus Greene

Species Erigeron bellidifolius Muhl. ex Willd.

Species Erigeron bloomeri A. Gray

Species Erigeron caespitosus Nutt.

Species Erigeron canaani S.L. Welsh

Species Erigeron canadensis L.

Species Erigeron canus A. Gray

Species Erigeron chrysopsidis A. Gray

Species Erigeron compositus Pursh

variety Erigeron compositus Pursh var. discoideus A. Gray

variety Erigeron compositus Pursh var. glabratus Macoun

variety Erigeron compositus Pursh var. nudus (Rydb.) A. Nelson

Species Erigeron concinnus (Hook. & Arn.) Torr. & A. Gray

Species Erigeron corymbosus Nutt.

Species Erigeron denalii A. Nelson

Species Erigeron elatior (A. Gray) Greene

Species Erigeron elatus (Hook.) Greene

Species Erigeron elongatus Ledeb.

Species Erigeron engelmannii A. Nelson

Species Erigeron eriocalyx (Ledeb.) Vierh.

Species Erigeron eriophyllus A. Gray

Species Erigeron filifolius (Hook.) Nutt.

variety Erigeron filifolius (Hook.) Nutt. var. filifolius

Species Erigeron glabellus Nutt.

subspecies Erigeron glabellus Nutt. ssp. glabellus

subspecies Erigeron glabellus Nutt. ssp. pubescens (Hook.) Cronquist

variety Erigeron glabellus Nutt. var. glabellus

variety Erigeron glabellus Nutt. var. pubescens Hook.

Species Erigeron glaucus Ker Gawl.

Species Erigeron grandiflorus Hook.

Species Erigeron humilis Graham

Species Erigeron hyperboreus Greene

Species Erigeron jonesii Cronquist

Species Erigeron lackschewitzii G. L. Nesom & W. A. Weber

Species Erigeron lanatus Hook.

Species Erigeron leibergii Piper

Species Erigeron leiomerus A. Gray

Species Erigeron linearis (Hook.) Piper

variety Erigeron linearis (Hook.) Piper var. elegantulus (Greene) J. T. Howell

Species Erigeron lonchophyllus Hook.

Species Erigeron macranthus Nutt.

Species Erigeron melanocephalus (A. Nelson) A. Nelson

Species Erigeron mexiae K. Becker

Species Erigeron nematophyllus Rydb.

Species Erigeron nivalis Nuttall

Species Erigeron ochroleucus Nutt.

Species Erigeron oreganus A. Gray

Species Erigeron oreophilus Greenm.

Species Erigeron peregrinus (Pursh) Greene

subspecies Erigeron peregrinus (Pursh) Greene ssp. callianthemus (Greene) Cronquist

variety Erigeron peregrinus (Pursh) Greene var. callianthemus (Greene) Cronquist

variety Erigeron peregrinus (Pursh) Greene var. peregrinus

variety Erigeron peregrinus (Pursh) Greene var. scaposus (Torr. & A. Gray) Cronquist

Species Erigeron peucephyllus A. Gray

Species Erigeron pinnatisectus (A. Gray) A. Nelson

Species Erigeron piperianus Cronquist

Species Erigeron poliospermus A. Gray

Species Erigeron porsildii G. L. Nesom & D. F. Murray

Species Erigeron pulchellus Michx.

Species Erigeron pulcherrimus Heller

Species Erigeron pumilus Nutt.

Species Erigeron pumilus Nutt. var. pumilus

subspecies Erigeron pumilus Nutt. ssp. intermedius Cronquist

variety Erigeron pumilus Nutt. var. condensatus (D.C. Eaton) Cronquist

Species Erigeron purpuratus Greene

subspecies Erigeron purpuratus Greene ssp. pallens (Cronquist) G. W. Douglas

Species Erigeron religiosus Cronquist

Species Erigeron salsuginosus (Richardson ex R. Br.) A. Gray

Species Erigeron scotteri B. Boivin

Species Erigeron simplex Greene

Species Erigeron sionis Cronquist

Species Erigeron speciosus (Lindl.) DC.

variety Erigeron speciosus (Lindl.) DC. var. macranthus (Nutt.) Cronquist

Species Erigeron subtrinervis Rydb. ex Porter & Britton

variety Erigeron subtrinervis Rydb. ex Porter & Britton var. subtrinervis

Species Erigeron tener (A. Gray) A. Gray

Species Erigeron tenuis Torr. & A. Gray

Species Erigeron uncialis S.F. Blake

Species Erigeron untermannii S. L. Welsh & Goodrich

Species Erigeron ursinus D.C. Eaton

Species Erigeron utahensis A. Gray

Species Erigeron vagus Payson

Species Erigeron vernus (L.) Torr. & A. Gray

Species Erigeron wahwahensis S. L. Welsh

Species Erigeron angulosus Gaudin

variety Erigeron angulosus Gaudin var. kamtschaticus (DC.) H. Hara

Species Erigeron divergens Torr. & A. Gray

variety Erigeron divergens Torr. & A. Gray var. cinereus A. Gray

Species Erigeron eatonii A. Gray

variety Erigeron eatonii A. Gray var. eatonii

Species Erigeron foliosus Nutt.

variety Erigeron foliosus Nutt. var. stenophyllus (Nutt.) A. Gray

Species Erigeron glacialis (Nuttall) A. Nelson

variety Erigeron glacialis (Nuttall) A. Nelson var. glacialis

Species Erigeron philadelphicus L.

Species Erigeron philadelphicus L. var. philadelphicus

subspecies Erigeron philadelphicus L. ssp. multifidus (Nutt. ex Torr. & A. Gray) Hultén

Species Erigeron strigosus Muhlenberg ex Willdenow

variety Erigeron strigosus Muhlenberg ex Willdenow var. septentrionalis (Fernald & Wiegand) Fernald

Species Erigeron uniflorus L.

variety Erigeron uniflorus L. var. eriocephalus (J. Vahl) B. Boivin

Genus Eriophyllum Lag.

Species Eriophyllum confertiflorum (DC.) A. Gray

Species Eriophyllum lanatum (Pursh) J. Forbes

variety Eriophyllum lanatum (Pursh) J. Forbes var. achillioides (DC.) Jeps.

variety Eriophyllum lanatum (Pursh) J. Forbes var. grandiflorum (A. Gray) Jep

variety Eriophyllum lanatum (Pursh) J. Forbes var. integrifolium (Hook.) Smiley

variety Eriophyllum lanatum (Pursh) J. Forbes var. lanatum

variety Eriophyllum lanatum (Pursh) J. Forbes var. lanceolatum (Howell) Jeps.

variety Eriophyllum lanatum (Pursh) J. Forbes var. typicum Constance

Species Eriophyllum multicaule (DC.) A. Gray

Species Eriophyllum pringlei A. Gray

Species Eriophyllum staechadifolium Lag.

Species Eriophyllum wallacei (A. Gray) A. Gray

Genus Erlangea Sch. Bip.

Species Erlangea fusca S. Moore

Genus Ethulia L. f.

Species Ethulia conyzoides L. f.

Genus Eucephalus Nutt.

Species Eucephalus engelmannii (D. C. Eaton) Greene

Species Eucephalus paucicapitatus (B. L. Rob.) Greene

Species Eucephalus ledophyllus (A. Gray) Greene

variety Eucephalus ledophyllus (A. Gray) Greene var. covillei (Greene) G. L. Nesom

Genus Eupatorium L.

Species Eupatorium adamantium Gardner

Species Eupatorium album L.

Species Eupatorium cannabinum L.

Species Eupatorium occidentale Hook.

Species Eupatorium perfoliatum L.

variety Eupatorium perfoliatum L. var. perfoliatum

form Eupatorium perfoliatum L. forma purpureum Britton

Species Eupatorium sessilifolium L.

Species Eupatorium urticifolium Reichard

Species Eupatorium velutinum Gardner

Species Eupatorium maculatum L.

variety Eupatorium maculatum L. var. bruneri (A. Gray) Breitung

form Eupatorium maculatum L. forma faxonii Fernald

Species Eupatorium purpureum L.

variety Eupatorium purpureum L. var. maculatum (L.) Darl.

Species Eupatorium rotundifolium L.

Species Eupatorium rugosum Houtt.

Species Eupatorium serotinum Michx.

Genus Eurybia (Cass.) Cass.

Species Eurybia conspicua (Lindl.) G. L. Nesom

Species Eurybia merita (A. Nelson) G. L. Nesom

Species Eurybia sibirica (L.) G. L. Nesom

Genus Euthamia (Nutt.) Cass.

Species Euthamia graminifolia (L.) Nutt.

variety Euthamia graminifolia (L.) Nutt. var. graminifolia

variety Euthamia graminifolia (L.) Nutt. var. nuttallii (Greene) Sieren

Species Euthamia occidentalis Nutt.

Genus Eutrochium Raf.

Species Eutrochium maculatum (L.) E. E. Lamont

Genus Filago L.

Species Filago arvensis L.

Genus Flourensia DC.

Species Flourensia cernua DC.

Genus Franseria Cav.

Species Franseria acanthicarpa (Hook.) Coville

Species Franseria bipinnatifida (Less.) Nutt.

Species Franseria discolor Nutt.

Species Franseria dumosa A. Gray

Genus Gaillardia Foug.

Species Gaillardia aristata Pursh

Species Gaillardia flava Rydb.

Species Gaillardia parryi Greene

Species Gaillardia pinnatifida Torr.

Species Gaillardia pulchella Foug.

Species Gaillardia spathulata A. Gray

Genus Galinsoga Ruiz & Pav.

Species Galinsoga ciliata (Raf.) S. F. Blake

Species Galinsoga parviflora Cav.

Species Galinsoga quadriradiata Ruiz & Pav.

Genus Geraea Torr. & A. Gray

Species Geraea canescens Torr. & A. Gray

Genus Glyptopleura D.C. Eaton

Species Glyptopleura setulosa A. Gray

Genus Gnaphalium L.

Species Gnaphalium baicalense Kirp. & Kuprian.

Species Gnaphalium californicum DC.

Species Gnaphalium chilense Spreng.

Species Gnaphalium hawaiiense O. Deg. & Sherff

Species Gnaphalium helleri Britton

Species Gnaphalium leontopodium L.

Species Gnaphalium luteoalbum. L.

Species Gnaphalium macounii Greene

Species Gnaphalium microcephalum Nutt.

variety Gnaphalium microcephalum Nutt. var. thermale (E.E. Nelson) Cronquist

Species Gnaphalium obtusifolium L.

Species Gnaphalium palustre Nutt.

Species Gnaphalium purpureum L.

Species Gnaphalium sandwicensium Gaudich.

Species Gnaphalium supinum L.

Species Gnaphalium sylvaticum L.

Species Gnaphalium thermale E.E. Nelson

Species Gnaphalium uliginosum L.

Species Gnaphalium viscosum Kunth

Species Gnaphalium decurrens L.

variety Gnaphalium decurrens L. var. californicum (DC.) A. Gray

Genus Grindelia Willd.

Species Grindelia arenicola Steyerm.

Species Grindelia integrifolia DC.

variety Grindelia integrifolia DC. var. macrophylla (Greene) Cronquist

Species Grindelia nana Nutt.

Species Grindelia perennis A. Nelson

Species Grindelia squarrosa (Pursh) Dunal

variety Grindelia squarrosa (Pursh) Dunal var. quasiperennis Lunell

variety Grindelia squarrosa (Pursh) Dunal var. squarrosa

Species Grindelia stricta DC.

variety Grindelia stricta DC. var. stricta

Species Grindelia rubricaulis DC.

variety Grindelia rubricaulis DC. var. robusta (Nutt.) Steyerm.

Genus Guizotia Cass.

Species Guizotia reptans Hutch.

Genus Gutenbergia Sch. Bip.

Species Gutenbergia boranensis (S. Moore) M. G. Gilbert

Genus Gutierrezia Lag.

Species Gutierrezia diversifolia Greene

Species Gutierrezia microcephala (DC.) A. Gray

Species Gutierrezia sarothrae (Pursh) Britton & Rusby

Genus Gymnolomia Kunth

Species Gymnolomia porteri (A. Gray) A. Gray

Genus Haploesthes A. Gray

Species Haploesthes greggii A. Gray

variety Haploesthes greggii A. Gray var. texana (J. M. Coult.) I. M. Johnst.

Genus Haplopappus Cass.

Species Haplopappus arenarius Benth.

Species Haplopappus bloomeri A. Gray

Species Haplopappus carthamoides (Hook.) A. Gray

Species Haplopappus clementis (Rydb.) S. F. Blake

Species Haplopappus divaricatus (Nutt.) A. Gray

Species Haplopappus drummondii (Torr. & A. Gray) S. F. Blake

Species Haplopappus greenei A. Gray

Species Haplopappus lanceolatus (Hook.) Torr. & A. Gray

variety

Species Haplopappus lanuginosus A. Gray

Species Haplopappus lyallii A. Gray

Species Haplopappus macronema A. Gray

Species Haplopappus nuttallii Torr. & A. Gray

variety Haplopappus nuttallii Torr. & A. Gray var. nuttallii

Species Haplopappus spinulosus (Pursh) DC.

variety Haplopappus spinulosus (Pursh) DC. var. spinulosus

Species Haplopappus suffruticosus (Nutt.) A. Gray

Species Haplopappus uniflorus (Hook.) Torr. & A. Gray

Species Haplopappus watsonii A. Gray

Species Haplopappus squarrosus Hook. & Arn.

subspecies Haplopappus squarrosus Hook. & Arn. ssp. grindelioides (DC.) D.D. Keck

Species Haplopappus venetus (Kunth) S. F. Blake

subspecies Haplopappus venetus (Kunth) S. F. Blake ssp. oxyphyllus (Greene) H. M. Hall

variety Haplopappus venetus (Kunth) S. F. Blake var. vernonioides (Nutt.) Munz

Genus Helenium L.

Species Helenium autumnale L.

variety Helenium autumnale L. var. grandiflorum Torr. & A. Gray

variety Helenium autumnale L. var. montanum (Nutt.) Fernald

Species Helenium bigelovii A. Gray

Species Helenium hoopesii A. Gray

Species Helenium macranthum Rydb.

Species Helenium montanum Nutt.

Species Helenium nudiflorum Nutt.

Species Helenium puberulum DC.

Genus Helianthella Torr. & A. Gray

Species Helianthella douglasii Torr. & A. Gray

Species Helianthella microcephala (A. Gray) A. Gray

Species Helianthella quinquenervis (Hook.) A. Gray

Species Helianthella uniflora (Nutt.) Torr. & A. Gray

variety Helianthella uniflora (Nutt.) Torr. & A. Gray var. uniflora

Genus Helianthemum Mill.

Species Helianthemum nummularium (Cav.) Losa & Rivas Goday

subspecies Helianthemum nummularium (Cav.) Losa & Rivas Goday ssp. obscurum Holub

Genus Helianthus L.

Species Helianthus angustifolius L.

Species Helianthus annuus L.

subspecies Helianthus annuus L. ssp. lenticularis (Douglas ex Lindl.) Cockerell

form Helianthus annuus L. forma fallax B. Boivin

form Helianthus annuus L. forma lenticularis (Douglas ex Lindl.) B. Boivin

Species Helianthus atrorubens L.

Species Helianthus canus (Britton) Wooton & Standl.

Species Helianthus couplandii B. Boivin

Species Helianthus cusickii A. Gray

Species Helianthus decapetalus L.

Species Helianthus divaricatus L.

Species Helianthus dowellianus M.A. Curtis

Species Helianthus giganteus L.

Species Helianthus gracilentus A. Gray

Species Helianthus laetiflorus Pers.

Species Helianthus maximiliani Schrad.

Species Helianthus mollis Lam.

Species Helianthus petiolaris Nutt.

Species Helianthus pumilus Nutt.

Species Helianthus radula (Pursh) Torr. & A. Gray

Species Helianthus rydbergii Britton

Species Helianthus scaberrimus Elliott

Species Helianthus strumosus L.

Species Helianthus subrhomboideus Rydb.

Species Helianthus subtuberosus Bourg. ex A. Gray

Species Helianthus trachelifolius Mill.

Species Helianthus tuberosus L.

variety Helianthus tuberosus L. var. subcanescens A. Gray

Species Helianthus × laetiflorus Pers.

variety Helianthus laetiflorus Pers. var. subrhomboideus (Rydb.) Fernald

Species Helianthus nuttallii Torr. & A. Gray

subspecies Helianthus nuttallii Torr. & A. Gray ssp. canadensis Long

subspecies Helianthus nuttallii Torr. & A. Gray ssp. rydbergii (Britton) R.W. Long

Species Helianthus pauciflorus Nutt.

subspecies Helianthus pauciflorus Nutt. ssp. subrhomboideus (Rydb.) O. Spring & E. E. Schill.

Genus Helichrysum Mill.

Species Helichrysum diosmifolium Sweet

Species Helichrysum ellipticifolium Moeser

Species Helichrysum foetidum (L.) Moench

Species Helichrysum gerberifolium Sch. Bip. ex A. Rich.

Species Helichrysum glumaceum DC.

Species Helichrysum nandense S. Moore

Species Helichrysum plicatum DC.

Genus Heliopsis Persoon

Species Heliopsis helianthoides (L.) Sweet

variety Heliopsis helianthoides (L.) Sweet var. scabra (Dunal) Fernald

Species Heliopsis laevis (L.) Pers.

Species Heliopsis scabra Dunal

Genus Helipterum DC.

Species Helipterum albicans (A. Cunn.) DC.

Genus Hemizonia DC.

Species Hemizonia angustifolia DC.

Species Hemizonia clevelandii Greene

Species Hemizonia congesta DC.

Species Hemizonia fasciculata (DC.) Torr. & A. Gray

Species Hemizonia lutescens (Greene) D.D. Keck

Species Hemizonia luzulifolia DC.

Species Hemizonia rudis Benth.

Species Hemizonia tenella A. Gray

Species Hemizonia multicaulis Hook. & Arn.

subspecies Hemizonia multicaulis Hook. & Arn. ssp. vernalis D. D. Keck

Genus Heterotheca Cass.

Species Heterotheca echioides (Benth.) Shinners

Species Heterotheca fulcrata (Greene) Shinners

Species Heterotheca graminifolia (Michx.) Shinners

Species Heterotheca grandiflora Nutt.

Species Heterotheca latifolia Buckley

Species Heterotheca pilosa (Nutt.) Shinners

Species Heterotheca stenophylla (A. Gray) Shinners

Species Heterotheca subaxillaris (Lam.) Britton & Rusby

Species Heterotheca villosa (Pursh) Shinners

variety Heterotheca villosa (Pursh) Shinners var. ballardii (Rydb.) Semple

variety Heterotheca villosa (Pursh) Shinners var. hispida (Hook.) V. L. Harms

variety Heterotheca villosa (Pursh) Shinners var. minor (Hook.) Semple

variety Heterotheca villosa (Pursh) Shinners var. pedunculata (Greene) V. L. Harms ex Semple

variety Heterotheca villosa (Pursh) Shinners var. villosa

Genus Hieracium L.

Species

Species Hieracium albiflorum Hook.

Species Hieracium alpinum L.

Species Hieracium amplexicaule L.

Species Hieracium aurantiacum L.

Species Hieracium basifolium Fr.

Species Hieracium caespitosum Dumort.

Species Hieracium canadense Michx.

Species Hieracium fendleri Sch. Bip.

Species Hieracium florentinum All.

Species Hieracium humile Jacq.

Species Hieracium juranum Fr.

Species Hieracium lemmonii A. Gray

Species Hieracium linifolium Sael. ex Lindeab.

Species Hieracium longipilum Torr. ex Hook.

Species Hieracium paniculatum L.

Species Hieracium pilosella L.

Species Hieracium piloselloides Vill.

Species Hieracium praealtum Villars ex Gochnat

Species Hieracium pratense Tausch

Species Hieracium robustum Fr.

Species Hieracium sabaudum L.

Species Hieracium scabriusculum Schwein.

Species Hieracium scabrum Michx

Species Hieracium scouleri Hooker

Species Hieracium tardans Peter

Species Hieracium triste Willd. ex Spreng.

subspecies Hieracium triste Willd. ex Spreng. ssp. gracile (Hook.) Calder & Roy L. Taylor

Species Hieracium umbellatum L.

variety Hieracium umbellatum L. var. scabriusculum

Species Hieracium venosum L.

Species Hieracium villosum Jacq.

Species Hieracium vulgatum Fr.

Genus Hoehnelia Schweinf.

Species Hoehnelia vernonioides Schweinf.

Genus Hofmeisteria Walp.

Species Hofmeisteria pluriseta A. Gray

Genus Hulsea Torr. & A. Gray

Species Hulsea algida A. Gray

Species Hulsea californica Torr. & A. Gray

Species Hulsea nana A. Gray

Species Hulsea vestita A. Gray

variety Hulsea vestita var. callicarpha H.M. Hall

Genus Hulteniella Tzvelev

Species Hulteniella integrifolia (Richardson) Tzvelev

Genus Hymenoclea Torr. & A. Gray

Species Hymenoclea salsola Torr. & A. Gray

Genus Hymenopappus L'Hér.

Species Hymenopappus lugens Greene

Species Hymenopappus newberryi (A. Gray ex Porter & J. M. Coult.) I. M. Johnst.

Species Hymenopappus polycephalus Osterh.

Species Hymenopappus robustus Greene

Species Hymenopappus filifolius Hook.

variety Hymenopappus filifolius Hook. var. megacephalus B. L. Turner

variety Hymenopappus filifolius Hook. var. nudipes (Maguire) B. L. Turner

Genus Hymenothrix A. Gray

Species Hymenothrix wislizeni A. Gray

Species Hymenothrix wrightii A. Gray

Genus Hymenoxys Cass.

Species Hymenoxys acaulis (Pursh) K. F. Parker

variety Hymenoxys acaulis (Pursh) K. F. Parker var. acaulis

Species Hymenoxys grandiflora (Torr. & A. Gray) K. F. Parker

Species Hymenoxys linearifolia Hook.

Species Hymenoxys odorata DC.

Species Hymenoxys richardsonii (Hook.) Cockerell

variety Hymenoxys richardsonii (Hook.) Cockerell var. floribunda (A. Gray) K. F. Parker

Genus Hypochaeris L.

Species Hypochaeris maculata L.

Species Hypochaeris radicata L.

Species Hypochaeris uniflora Vill.

Genus Inula L.

Species Inula britannica L.

Species Inula ensifolia L.

Species Inula helenium L.

Species Inula salicina L.

Genus Isocoma Nutt.

Species Isocoma tenuisecta Greene

Genus Iva L.

Species Iva axillaris Pursh

subspecies Iva axillaris Pursh ssp. axillaris

variety Iva axillaris Pursh var. robustior Hook.

Species Iva frutescens L.

Species Iva xanthiifolia Nutt.

Genus Jaumea Pers.

Species Jaumea carnosa (Less.) A. Gray

Genus Jurinea Cass.

Species Jurinea grumosa Iljin

Species Jurinea lasiopoda Trautv

Species Jurinea leptoclada Bornm. & Sint.

Species Jurinea olgae Regel & Schmalh.

Species Jurinea subacaulis Fisch. & C.A.Mey.

Species Jurinea tortisquamea Iljin

Species Jurinea trautvetteriana Regel & Schmalh.

Genus Koelpinia Pall.

Species Koelpinia linearis Pall.

Genus Krigia Schreb

Species Krigia biflora (Walter) S.F. Blake

Species Krigia cespitosa (Raf.) K.L. Chambers

Species Krigia dandelion (L.) Nutt.

Species Krigia montana (Michx.) Nutt.

Species Krigia occidentalis Nutt.

Species Krigia virginica (L.) Willd.

Genus Lactuca L.

Species Lactuca canadensis L.

Species Lactuca ludoviciana (Nuttall) Riddell

Species Lactuca muralis Fresen.

Species Lactuca pulchella (Pursh) DC.

Species Lactuca serriola L.

Species Lactuca sibirica (L.) Benth. ex Maxim.

Species Lactuca spicata (Lam.) Hitchc.

Species Lactuca scariola L.

variety Lactuca scariola var. integrata Gren. & Godr

form Lactuca scariola L. forma integrifolia Beck

Species Lactuca tatarica C .A. Mey.

subspecies Lactuca tatarica C. A. Mey. ssp. pulchella (Pursh) Stebbins

variety Lactuca tatarica C. A. Mey. var. heterophylla (Nutt.) B. Boivin

Genus Lagoseris M. Bieb.

Species Lagoseris sancta K. Maly

Genus Laphamia A. Gray

Species Laphamia intricata Brandegee

Genus Lapsana L.

Species Lapsana communis L.

Species Lapsana grandiflora M. Bieb.

Genus Lasthenia Cass.

Species Lasthenia californica DC. ex Lindl.

Genus Layia Hook. & Arn. ex DC.

Species Layia glandulosa (Hook.) Hook. & Arn.

Species Layia platyglossa (Fisch. & C.A. Mey.) A. Gray

Genus Leontodon L.

Species Leontodon autumnalis L.

Species Leontodon hispidus L.

subspecies Leontodon hispidus L. ssp. hastilis Rchb

Genus Leontopodium R. Br. ex Cass.

Species Leontopodium alpinum Cass.

Genus Leptilon Raf. ex Britton & A. Br.

Species Leptilon canadense (L.) Britton

Genus Lessingia Cham.

Species Lessingia ramulosa A. Gray

variety Lessingia ramulosa var. adenophora (Greene) A. Gray

Genus Leucanthemum Mill.

Species Leucanthemum hultenii Á. Löve & D. Löve

Species Leucanthemum leucanthemum (L.) Rydb

Species Leucanthemum vulgare Lam.

Species Leucanthemum waldsteeinii (Sch. Bip.) Pouzar

Genus Leucelene Greene

Species Leucelene ericoides (Torr.) Greene

Genus Liatris Gaertn. ex Schreb.

Species Liatris aspera Michx.

Species Liatris cylindracea Michaux

Species Liatris ligulistylis (A. Nelson) K. Schum.

form Liatris ligulistylis (A. Nelson) K. Schum. fo. ligulistylis

Species Liatris novae-angliae (Lunell) Shinners

Species Liatris punctata Hook.

variety Liatris punctata Hook. var. punctata

form Liatris punctata Hook. fo. punctata

Species Liatris pycnostachya Michx.

Species Liatris spheroidea Michx.

Species Liatris spicata (L.) Willd.

Genus Ligularia Cass.

Species Ligularia intermedia Nakai

Genus Lipochaeta DC.

Species Lipochaeta integrifolia (Nutt.) A. Gray

Genus Logfia Cass.

Species Logfia arizonica (A. Gray) Holub

Species Logfia arvensis (Linnaeus) Holub

Species Logfia filaginoides (Hook. & Arn.) Morefield

Genus Lorandersonia Urbatsch, R. P. Roberts & Neubig

Species Lorandersonia linifolia (Greene) Urbatsch, R. P. Roberts & Neubig

Genus Luina Bentham

Species Luina hypoleuca Bentham

Species Luina stricta (Greene) B.L. Rob.

Genus Lygodesmia D. Don

Species

Species Lygodesmia grandiflora (Nutt.) Torr. & A. Gray

variety Lygodesmia grandiflora (Nutt.) Torr. & A. Gray var. grandiflora

Species Lygodesmia juncea (Pursh) D. Don ex Hook.

Species Lygodesmia texana (Torr. & A. Gray) Greene ex Small

Genus Machaeranthera Nees

Species Machaeranthera arenaria (Benth.) Shinners

Species Machaeranthera arida B. L. Turner & D. B. Horne

Species Machaeranthera canescens (Pursh) A. Gray

variety Machaeranthera canescens (Pursh) A. Gray var. canescens

variety Machaeranthera canescens A. Gray var. glabra A. Gray

Species Machaeranthera grindelioides (Nutt.) Shinners

Species Machaeranthera parviflora A. Gray

Species Machaeranthera pinnatifida (Hook.) Shinners

Species Machaeranthera tanacetifolia (Kunth) Nees

Genus Macronema Nutt.

Species Macronema discoidea Nutt.

Genus Madia Molina

Species Madia exigua (Sm.) A. Gray

Species Madia glomerata Hook.

Species Madia hallii D.D. Keck

Species Madia sativa Molina

Genus Malacothrix DC.

Species Malacothrix fendleri A. Gray

Species Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray

Species Malacothrix sonchoides (Nutt.) Torr. & A. Gray

Species Malacothrix californica DC.

variety Malacothrix californica DC. var. glabrata A. Gray ex D.C. Eaton

Genus Matricaria L.

Species Matricaria ambigua (Ledeb.) Krylov

Species Matricaria chamomilla L.

Species Matricaria discoidea DC.

Species Matricaria matricarioides (Less.) Porter

Species Matricaria occidentalis Greene

Species Matricaria recutita L.

Species Matricaria suaveolens (Pursh) Buchenau

Species Matricaria maritima L.

subspecies Matricaria maritima L. ssp. inodora (L.) Soó

variety Matricaria maritima L. var. agrestis (Knaf) Wilmott

Genus Megalodonta Greene

Species Megalodonta beckii (Torr. ex Spreng.) Greene

Genus Melampodium L.

Species Melampodium leucanthum Torr. & A. Gray

Genus Microseris D. Don

Species Microseris bigelovii (A. Gray) Sch. Bip.

Species Microseris borealis (Bong.) Sch. Bip.

Species Microseris cuspidata (Pursh) Sch. Bip.

Species Microseris laciniata (Hook.) Sch. Bip.

subspecies Microseris laciniata (Hook.) Sch. Bip. ssp. laciniata

Species Microseris nutans (Hook.) Sch. Bip.

variety Microseris nutans (Geyer) Schultz-Byi var. laciniata Gray

Genus Mikania F.W. Schmidt

Species Mikania pohliana Sch. Bip. ex Baker

Genus Monoptilon Torr. & A. Gray

Species Monoptilon bellioides (A. Gray) H. M. Hall

Genus Mulgedium Cassini

Species Mulgedium pulchellum (Pursh) G. Don

Genus Mycelis Cassini

Species Mycelis muralis (L.) Dumortier

Genus Nardosmia Cass.

Species Nardosmia gmelinii Turcz. ex DC.

Genus Nestotus R. P. Roberts, Urbatsch & Neubig

Species Nestotus macleanii (Brandegee) R. P. Roberts, Urbatsch & Neubig

Species Nestotus stenophyllus (A. Gray) R. P. Roberts, Urbatsch & Neubig

Genus Oglifa (Gren.) Cass.

Species Oglifa arvensis (L.) Cass.

Genus Olearia Moench

Species Olearia algida N.A. Wakefield

Species Olearia arborescens Ckn. & Laing

Species Olearia argophylla F.Muell.

Species Olearia axillaris F. Muell. ex Benth.

Species Olearia ballii (F.Muell.) Hemsl.

Species Olearia elliptica DC.

Species Olearia muelleri Benth.

Species Olearia phlogopappa DC.

Genus Oligoneuron Small

Species Oligoneuron rigidum (L.) Small

Genus Onopordum L.

Species Onopordum acanthium L.

Genus Oonopsis (Nutt.) Greene

Species Oonopsis multicaulis (Nutt.) Greene

Genus Oreochrysum Rydb.

Species Oreochrysum parryi (A. Gray) Rydb.

Genus Packera Á. Löve & D. Löve

Species Packera cana (Hooker) W. A. Weber & Á. Löve

Species Packera contermina (Greenm.) J. F. Bain

Species Packera hyperborealis (Greenm.) Á. Löve & D. Löve

Species Packera indecora (Greene) Á. Löve & D. Löve

Species Packera macounii (Greene) W. A. Weber & Á. Löve

Species Packera ogotorukensis (Packer) Á. Löve & D. Löve

Species Packera pauciflora (Pursh) Á. Löve & D. Löve

Species Packera paupercula (Michx.) Á. Löve & D. Löve

variety Packera paupercula (Michx.) Á. Löve & D. Löve var. paupercula

Species Packera plattensis (Nutt.) W. A. Weber & Á. Löve

Species Packera streptanthifolia (Greene) W. A. Weber & Á. Löve

variety Packera streptanthifolia (Greene) W. A. Weber & Á. Löve var. borealis (Torrey & A. Gray) Trock

variety Packera streptanthifolia (Greene) W. A. Weber & Á. Löve var. streptanthifolia

Species Packera pseudaurea (Rydb.) W. A. Weber & Á. Löve

variety Packera pseudaurea (Rydb.) W. A. Weber & Á. Löve var. pseudaurea

Genus Palafoxia Lag.

Species Palafoxia arida B. L. Turner & M. I. Morris

variety Palafoxia arida B. L. Turner & M. I. Morris var. arida

Genus Parthenium L.

Species Parthenium argentatum A. Gray

Species Parthenium hysterophorus L.

Species Parthenium integrifolium L.

Species Parthenium ligulatum (M. E. Jones) Barneby

Genus Pectis L.

Species Pectis papposa Harv. & A. Gray

Genus Perezia Lag.

Species Perezia wrightii A. Gray

Genus Perityle Benth.

Species Perityle gilensis (M. E. Jones) J. F. Macbr.

Genus Petasites Mill.

Species Petasites albus (L.) Gaertn. × Petasites paradoxus (Retz.) Baumg.

Species Petasites albus Gaertner

Species Petasites arcticus A. E. Porsild

Species Petasites frigidus (L.) Fries

subspecies

subspecies Petasites frigidus (L.) Fries ssp. palmatus (Aiton) Cody

variety Petasites frigidus (L.) Fries var. frigidus

variety Petasites frigidus (L.) Fries var. frigidus × Petasites frigidus (L.) Fries var. palmatus (Aiton) Cronquist

variety Petasites frigidus (L.) Fries var. nivalis (Greene) Cronquist

variety Petasites frigidus (L.) Fries var. palmatus (Aiton) Cronquist

variety Petasites frigidus (L.) Fries var. sagittatus (Pursh) Cherniawsky & R. J. Bayer

variety Petasites frigidus (L.) Fries var. × vitifolius (Greene) Cherniawsky

Species Petasites glacialis (Ledeb.) Polunin

Species Petasites hybridus (L.) G. Gaertn., B. Mey. & Scherb.

Species Petasites hyperboreus Rydb.

Species Petasites japonicus (Siebold & Zucc.) Maxim.

Species Petasites kablikianus Tausch ex Bercht.

Species Petasites palmatus (Aiton) A. Gray

Species Petasites palmatus (Aiton) A. Gray × Senecio congestus (R. Br.) DC.

Species Petasites sagittatus (Pursh) A. Gray

Species Petasites vitifolius Greene

Genus Petradoria Greene

Species Petradoria pumila (Nutt.) Greene

Genus Picris L.

Species Picris echioides L.

Species Picris hieracioides L.

Genus Pilosella Hill

Species Pilosella caespitosa (Dumortier) P. D. Sell & C. West

Genus Pleurophyllum Hook. f.

Species Pleurophyllum criniferum Hook.f.

Genus Pluchea Cass.

Species Pluchea bifrons (L.) DC.

Species Pluchea sericea (Nutt.) Coville

Genus Polymnia Kalm

Species Polymnia canadensis L.

variety Polymnia canadensis var. radiata A. Gray

Genus Polypteris Nutt.

Species Polypteris texana (DC.) A. Gray

Genus Porophyllum Guett.

Species Porophyllum gracile Benth.

Genus Prenanthes L.

Species Prenanthes alba L.

Species Prenanthes altissima L.

Species Prenanthes racemosa Michx.

Genus Prionopsis Nutt.

Species Prionopsis ciliata (Nutt.) Nutt.

Genus Psathyrotes (Nutt.) A. Gray

Species Psathyrotes ramosissima (Torr.) A. Gray

Genus Pseudognaphalium Kirp.

Species Pseudognaphalium canescens (DC.) Anderb.

Species Pseudognaphalium luteoalbum (L.) Hilliard & B.L. Burtt

Species Pseudognaphalium macounii (Greene) Kartesz

Genus Psilocarphus Nutt.

Species Psilocarphus tenellus Nutt.

Genus Psilostrophe DC.

Species Psilostrophe villosa Rydb. ex Britton

Genus Pyrrhopappus DC.

Species Pyrrhopappus carolinianus (Walter) DC.

Genus Pyrrocoma Hook.

Species Pyrrocoma lanceolata (Hook.) Greene

variety Pyrrocoma lanceolata (Hook.) Greene var. lanceolata

Species Pyrrocoma uniflora (Hook.) Greene

variety Pyrrocoma uniflora (Hook.) Greene var. uniflora

Genus Rafinesquia Nutt.

Species Rafinesquia californica Nutt.

Species Rafinesquia neomexicana A. Gray

Genus Raillardella (A. Gray) Benth. & Hook. f.

Species Raillardella argentea (A. Gray) A. Gray

Genus Rainiera Greene

Species Rainiera stricta (Greene) Greene

Genus Raoulia Hook. f. ex Raoul

Species Raoulia hectorii

Genus Ratibida Raf.

Species Ratibida columnaris (Pursh) D. Don

variety Ratibida columnaris (Pursh) D. Don var. pulcherrima (DC.) D. Don

Species Ratibida columnifera (Nutt.) Wooton & Standl.

variety Ratibida columnifera (Nutt.) Wooton & Standl. var. pulcherrima (DC.) D. J. N. Hind

form Ratibida columnifera (Nutt.) Wooton & Standl. forma pulcherrima (DC.) Fernald

Species Ratibida tagetes (E. James) Barnhart

Genus Rudbeckia L.

Species Rudbeckia amplexicaulis Vahl

Species Rudbeckia fulgida Aiton

variety Rudbeckia fulgida var. speciosa (Wender.) Perdue

Species Rudbeckia hirta L.

Species Rudbeckia hirta Linnaeus

Species Rudbeckia laciniata L.

variety Rudbeckia laciniata var. ampla (A. Nelson) Cronquist

Species Rudbeckia serotina Nuttall

Species Rudbeckia triloba L.

variety Rudbeckia triloba var. pinnatiloba Torr. & A. Gray

Genus Rydbergia Greene

Species Rydbergia grandiflora (Torr. & A. Gray) Greene

Genus Sanvitalia Lam.

Species Sanvitalia abertii A. Gray

Genus Saussurea DC.

Species Saussurea angustifolia (L.) DC.

subspecies Saussurea angustifolia (L.) DC. ssp. angustifolia

variety Saussurea angustifolia (L.) DC. var. yukonensis A. E. Porsild

Species Saussurea densa (Hook.) Rydb.

Species Saussurea nuda Ledeb.

variety Saussurea nuda Ledeb. var. densa (Hook.) Hultén

Species Saussurea pricei Simpson

Species Saussurea tilesii Ledeb

Species Saussurea viscida Hultén

variety Saussurea viscida Hultén var. yukonensis (A. E. Porsild) Hultén

Genus Scorzonera L.

Species Scorzonera hispanica L.

Species Scorzonera humilis L.

Species Scorzonera jacquiniana Beck

Genus Senecio L.

Species Senecio abrotanifolius L.

Species Senecio ampullaceus Hook.

Species Senecio aquaticus Hill.

Species Senecio aronicoides DC.

Species Senecio atratus Greene

Species Senecio atropurpureus (Ledeb.) B. Fedtsch.

subspecies Senecio atropurpureus (Ledeb.) B. Fedtsch. ssp. atropurpureus

subspecies Senecio atropurpureus (Ledeb.) B. Fedtsch. ssp. frigidus (Richardson) Hultén

Species Senecio aureus L.

Species Senecio bolanderi A. Gray

Species Senecio californicus DC.

Species Senecio campestris F. B. Forbes & Hemsl.

Species Senecio canus Hook.

Species Senecio carniolicus Willd.

Species Senecio columbianus Greene

Species Senecio congestus (R. Br.) DC.

variety Senecio congestus (R. Br.) DC. var. palustris (L.) Fernald

variety Senecio congestus (R. Br.) DC. var. tonsus Fernald

Species Senecio conterminus Greenm.

Species Senecio crassulus A. Gray

Species Senecio crocatus Rydb.

Species Senecio cymbalaria Pursh

Species Senecio debilis Nutt.

Species Senecio densus Greene

Species Senecio dimorphophyllus Greene

Species Senecio douglasii DC.

variety Senecio douglasii var. monoensis (Greene) Jeps.

Species Senecio elaeagnifolius Hook.f.

Species Senecio elegans L.

Species Senecio elmeri Piper

Species Senecio eremophilus Richardson

variety Senecio eremophilus Richardson var. eremophilus

variety Senecio eremophilus Richardson var. kingii Greenm.

Species Senecio erucifolius L.

Species Senecio eurycephalus Torr. & A. Gray

Species Senecio farriae Greenm.

Species Senecio fendleri A. Gray

Species Senecio flettii Wiegand

Species Senecio fluviatitis Wallr.

Species Senecio fremontii Torr. & A. Gray

variety Senecio fremontii Torr. & A. Gray var. fremontii

variety Senecio fremontii var. blitoides (Greene) Cronquist

Species Senecio fuchsii C.C. Gmel.

Species Senecio fuscatus Hayek

Species Senecio glabellus DC.

Species Senecio harfordii Greenm.

Species Senecio hochstetteri Sch. Bip. ex A. Rich.

Species Senecio hydrophiloides Rydb.

Species Senecio hyperborealis Greenm.

Species Senecio imparipinnatus Klatt

Species Senecio indecorus Greene

Species Senecio integerrimus Nutt.

variety Senecio integerrimus Nutt. var. exaltatus (Nutt.) Cronquist

variety Senecio integerrimus Nutt. var. ochroleucus (A. Gray) Cronquist

Species Senecio integrifolius (L.) Clairv.

Species Senecio jacobaea L.

Species Senecio laetiflorus Greene

Species Senecio lautus Willd.

Species Senecio lindstroemii (Ostenf.) A. E. Porsild

Species Senecio longilobus Benth.

Species Senecio lugens Richardson

Species Senecio macounii Greene

Species Senecio monoensis Greene

Species Senecio moorei R.E. Fr.

Species Senecio moresbiensis (Calder & Roy L. Taylor) G.W. Douglas & Ruyle-Douglas

Species Senecio multilobatus Torr. & A. Gray

Species Senecio nemorensis L.

Species Senecio neomexicanus A. Gray

variety Senecio neomexicanus var. metcalfei (Greene ex Wooton & Standl.) T.M. Barkley

variety Senecio neomexicanus var. mutabilis (Greene) T.M. Barkley

variety Senecio neomexicanus var. neomexicanus

variety Senecio neomexicanus var. toumeyi (Greene) T.M. Barkley

Species Senecio obovatus Muhl. ex Willd.

Species Senecio ogotorukensis Packer

Species Senecio ovinus Greene

Species Senecio paludosus L.

Species Senecio palustris Vell.

Species Senecio pauciflorus Pursh

Species Senecio picridifolius DC.

Species Senecio plattensis Nutt.

Species Senecio porteri Greene

Species Senecio pseudaureus Rydb.

variety Senecio pseudaureus Rydb. var. pseudaureus

variety Senecio pseudaureus Rydb. var. semicordatus (Mack. & Bush) T. M. Barkley

Species Senecio pseudoarnica Less.

Species Senecio purshianus Nutt.

Species Senecio resedifolius Less.

Species Senecio rivularis J. Rémy

Species Senecio rowleyanus H. Jacobsen

Species Senecio rubricaulis Greene

Species Senecio sheldonensis A. E. Porsild

Species Senecio smallii Britton ex Small & Vail

Species Senecio solidago Rydb.

Species Senecio sphaerocephalus Greene

Species Senecio subnudus DC.

Species Senecio suksdorfii Greenm.

Species Senecio sylvaticus L.

Species Senecio taraxacoides (A. Gray) Greene

Species Senecio tomentosus Michx.

Species Senecio triangularis Hook.

variety Senecio triangularis Hook. var. triangularis

Species Senecio tridenticulatus Rydb.

Species Senecio trigonophyllus Greene

Species Senecio tundricola Tolm.

Species Senecio uniflorus Retz.

Species Senecio vaseyi Greenm. ex Piper

Species Senecio viscosus L.

Species Senecio vulgaris L.

Species Senecio werneriifolius (A. Gray) A. Gray

Species Senecio wootonii Greene

Species Senecio yukonensis A. E. Porsild

Species Senecio yukonensis A.E. Porsild

Species Senecio amplectens A. Gray

variety Senecio amplectens A. Gray var. amplectens

Species Senecio cymbalarioides H. Buek

subspecies Senecio cymbalarioides H. Buek subsp. cymbalarioides

Species Senecio flaccidus Less.

variety Senecio flaccidus Less. var. flaccidus

Species Senecio foetidus Howell

variety Senecio foetidus Howell var. hydrophiloides (Rydb.) T. M. Barkley ex Cronquist

Species Senecio pauperculus Michx.

variety Senecio pauperculus Michx. var. thomsoniensis (Greenm.) B. Boivin

Species Senecio serra Hook.

variety Senecio serra Hook. var. serra

Species Senecio spartioides Torr. & A. Gray

variety Senecio spartioides Torr. & A. Gray var. spartioides

Species Senecio streptanthifolius Greene

variety Senecio streptanthifolius Greene var. borealis (Torr. & A. Gray) J. F. Bain

variety Senecio streptanthifolius Greene var. kluanei Bain

variety Senecio streptanthifolius Greene var. rubricaulis (Greene) J.F. Bain

Genus Sericocarpus Nees

Species Sericocarpus conyzoides Nees

Genus Serinia Raf.

Species Serinia gracilis (DC.) Kuntze

Genus Serratula L.

Species Serratula alatavica C. A. Mey.

Species Serratula tinctoria L.

Genus Sideranthus Nutt. ex Nees

Species Sideranthus grindelioides (Nutt.) Britton ex Rydb.

Species Sideranthus spinulosus (Pursh) Sweet ex Rydb.

Genus Silybum Vaill.

Species Silybum marianum (L.) Gaertn.

Genus Simsia Pers.

Species Simsia lagascaeformis DC.

Genus Sinosenecio B. Nord.

Species Sinosenecio newcombei (Greene) Janovec & T. M. Barkley

Genus Solanecio (Sch. Bip.) Walp.

Species

Genus Solidago L.

Species Solidago lunellii Rydb.

Species Solidago altissima L.

Species Solidago arguta Aiton

Species Solidago bicolor L.

variety Solidago bicolor L. var. bicolor

variety Solidago bicolor L. var. concolor Torr. & A. Gray

Species Solidago boottii Hook.

Species Solidago caesia L.

Species Solidago canadensis L.

variety Solidago canadensis L. var. canadensis

variety Solidago canadensis L. var. gilvocanescens Rydb.

variety Solidago canadensis L. var. salebrosa (Piper) M. E. Jones

Species Solidago curtisii Torr. & A. Gray

Species Solidago dahurica (Kitag.) Kitag. ex Juz.

Species Solidago decumbens Greene

variety Solidago decumbens Greene var. oreophila (Rydb.) Fernald

Species Solidago erecta Banks ex Pursh

Species Solidago fistulosa Mill.

Species Solidago flexicaulis L.

Species Solidago gigantea Ait.

variety Solidago gigantea Ait. var. leiophylla Fernald

variety Solidago gigantea Ait. var. pitcheri (Nutt.) Shinners

variety Solidago gigantea Ait. var. salebrosa (Piper) Friesner

variety Solidago gigantea Ait. var. serotina (Kuntze) Cronquist

variety Solidago gigantea Ait. var. shinnersii Beaudry

Species Solidago gilvocanescens (Rydb.) Smyth

Species Solidago glaberrima M. Martens

variety Solidago glaberrima M. Martens var. moritura (Steele) Palmer & Steyermark

Species Solidago glomerata Michx.

Species Solidago graminifolia (L.) Salisb.

variety Solidago graminifolia (L.) Salisb. var. camporum (Greene) Fernald

variety Solidago graminifolia (L.) Salisb. var. graminifolia

variety Solidago graminifolia (L.) Salisb. var. major (Michx.) Fernald

variety Solidago graminifolia (L.) Salisb. var. nuttallii (Greene) Fernald

Species Solidago houghtonii Torr. & A. Gray

Species Solidago juncea Aiton

Species Solidago latifolia L.

Species Solidago macrophylla Banks ex Pursh

Species Solidago media (Greene) Bush

Species Solidago missouriensis Nutt.

variety Solidago missouriensis Nutt. var. extraria A. Gray

variety Solidago missouriensis Nutt. var. fasciculata Holz.

variety Solidago missouriensis Nutt. var. missouriensis

Species Solidago mollis Bartl.

Species Solidago multiradiata Aiton

subspecies Solidago multiradiata Aiton ssp. multiradiata

variety Solidago multiradiata Aiton var. multiradiata

variety Solidago multiradiata Aiton var. scopulorum A. Gray

Species Solidago nana Nutt.

Species Solidago occidentalis (Nutt.) Torr. & A. Gray

Species Solidago ohioensisRiddell

Species Solidago ontarioensis (G. S. Ringius) Semple & Peirson

Species Solidago parryi (A. Gray) Greene

Species Solidago patula Muhlenberg ex Willdenow

Species Solidago ptarmicoides (Torr. & A. Gray) B. Boivin

Species Solidago pulcherrima A. Nelson

Species Solidago purshii Porter

Species Solidago remota (Greene) Friesner

Species Solidago riddellii Frank

Species Solidago rigida L.

subspecies Solidago rigida L. ssp. humilis (Porter) S. B. Heard & Semple

subspecies Solidago rigida L. ssp. rigida

variety Solidago rigida L. var. humilis Porter

Species Solidago rigidiuscula (Torr. & A. Gray) Porter

Species Solidago rugosa Mill.

Species Solidago sempervirens Linnaeus

Species Solidago serotina Retz.

Species Solidago sparsiflora A. Gray

Species Solidago spathulata DC.

variety Solidago spathulata DC. var. neomexicana (A. Gray) Cronquist

Species Solidago speciosa Nutt.

Species Solidago sphacelata Raf.

Species Solidago squarrosa Muhl.

Species Solidago tenuifolia Pursh

Species Solidago uliginosa Nutt.

Species Solidago ulmifolia Muhl. ex Willd.

Species Solidago uniligulata (DC.) Porter

Species Solidago virgaurea L.

Species Solidago wrightii A. Gray

Species Solidago yadkinensis Porter ex Small

Species Solidago × bernardii B. Boivin

Species Solidago glutinosa Nutt.

subspecies Solidago glutinosa Nutt. ssp. glutinosa

variety Solidago glutinosa Nutt. var. glutinosa

variety Solidago glutinosa subsp. randii (Porter) Cronquist

Species Solidago hispida Muhl. ex Willd.

variety Solidago hispida Muhl. ex Willd. var. hispida

variety Solidago hispida var. lanata (Hook.) Fernald

Species Solidago lepida DC.

variety Solidago lepida DC. var. elongata (Nutt.) Fernald

variety Solidago lepida DC. var. lepida

variety Solidago lepida DC. var. salebrosa (Piper) Semple

Species Solidago nemoralis Ait.

variety Solidago nemoralis Ait. var. nemoralis

subspecies Solidago nemoralis Ait. ssp. decemflora (DC.) Brammall, Ron ex Semple

subspecies Solidago nemoralis Ait. ssp. nemoralis

variety Solidago nemoralis Ait. var. decemflora (de Candolle) Fernald

variety Solidago nemoralis Ait. var. longipetiolata (Mack. & Bush) E. J. Palmer & Steyerm.

Species Solidago puberula Nutt.

variety Solidago puberula Nutt. var. puberula

Species Solidago simplex Kunth

variety Solidago simplex Kunth var. simplex

Genus Sonchus L.

Species Sonchus arvensis L.

subspecies Sonchus arvensis L. ssp. uliginosus (M. Bieberstein) Nyman

variety Sonchus arvensis L. var. bottnicus Hyl.

variety Sonchus arvensis L. var. glabrescens Günther, Grabowski & Wimmer

variety var. maritimus Wahlenb.

Species Sonchus asper (L.) Hill

Species Sonchus oleraceus L.

Species Sonchus uliginosus M. Bieb.

Genus Stenotus Nutt.

Species Stenotus acaulis (Nutt.) Nutt.

Species Stenotus armerioides Nutt.

variety Stenotus armerioides Nutt. var. amerioides

Genus Stephanomeria Nutt.

Species Stephanomeria runcinata Nutt.

Species Stephanomeria tenuifolia (Raf.) H.M. Hall

Genus Symphyotrichum Nees

Species

variety Symphyotrichum laeve (Linnaeus) Á. Löve & D. Löve var. geyeri (A. Gray) G. L. Nesom

variety Symphyotrichum laeve (Linnaeus) Á. Löve & D. Löve var. laeve

Species Symphyotrichum ascendens (Lindley) G. L. Nesom

Species Symphyotrichum ciliatum (Ledeb.) G. L. Nesom

Species Symphyotrichum ciliatum (Ledebour) G.L. Nesom × Symphyotrichum frondosum (Nuttall) G.L. Nesom

Species Symphyotrichum cusickii (A. Gray) G. L. Nesom

Species Symphyotrichum depauperatum (Fernald) G. L. Nesom

Species Symphyotrichum dumosum (L.) G. L. Nesom

Species Symphyotrichum foliaceum (Lindley ex De Candolle) G. L. Nesom

Species Symphyotrichum frondosum (Nuttall) G.L. Nesom

Species Symphyotrichum nahanniense (Cody) Semple

Species Symphyotrichum praealtum (Poiret) G. L. Nesom

Species Symphyotrichum puniceum (L.) Á. Löve & D. Löve

variety Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum

Species Symphyotrichum pygmaeum (Lindley) Brouillet & S. Selliah

Species Symphyotrichum retroflexum (Lindley ex de Candolle) G. L. Nesom

Species Symphyotrichum subspicatum (Nees) G. L. Nesom

Species Symphyotrichum yukonense (Cronquist) G. L. Nesom

Species Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve

variety Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve var. maccallae (Rydb.) G. L. Nesom

Species Symphyotrichum ericoides (L.) G. L. Nesom

variety Symphyotrichum ericoides (L.) G. L. Nesom var. pansum (S. F. Blake) G. L. Nesom

Species Symphyotrichum falcatum (Lindley) G. L. Nesom

variety Symphyotrichum falcatum (Lindley) G. L. Nesom var. falcatum

Species Symphyotrichum lanceolatum (Willd.) G. L. Nesom

subspecies Symphyotrichum lanceolatum (Willd.) G. L. Nesom ssp. hesperium (A. Gray) G. L. Nesom

variety Symphyotrichum lanceolatum (Willd.) G. L. Nesom var. hesperium (A. Gray) G. L. Nesom

variety Symphyotrichum lanceolatum (Willd.) G. L. Nesom var. lanceolatum

Genus Tagetes L.

Species Tagetes micrantha Cav.

Genus Tanacetum L.

Species Tanacetum parthenium (L.) Sch. Bip.

Species Tanacetum vulgare L.

Species Tanacetum huronense Nutt.

variety Tanacetum huronense Nutt. var. floccosum Raup

Genus Taraxacum F. H. Wigg.

Species Taraxacum ceratophorum (Ledeb.) DC.

Species Taraxacum hyparcticum Dahlstedt

Species Taraxacum lacerum Greene

Species Taraxacum laevigatum (Willd.) DC.

Species Taraxacum lyratum (Ledeb.) DC.

Species Taraxacum phymatocarpum J. Vahl

Species Taraxacum speirodon G. E. Haglund

Species Taraxacum umbrinum Dahlst. ex G. E. Haglund

Genus Tephroseris (Reichenbach) Reichenbach

Species Tephroseris kjellmanii (A. E. Porsild) Holub

Species Tephroseris palustris (L.) Reichenbach

subspecies Tephroseris palustris (L.) Reichenbach ssp. congesta (R. Brown) Holub

Genus Tetraneuris Greene

Species Tetraneuris acaulis (Pursh) Greene

variety Tetraneuris acaulis (Pursh) Greene var. acaulis

Genus Thelesperma Less.

Species Thelesperma marginatum Rydb.

Species Thelesperma subnudum A. Gray

Genus Tonestus A. Nelson

Species Tonestus lyallii (A. Gray) A. Nelson

Species Tonestus pygmaeus (Torr. & A. Gray) A. Nelson

Genus Tragopogon L.

Species Tragopogon dubius Scop.

Species Tragopogon orientalis L.

Species Tragopogon pratensis L.

Genus Trimorpha Cass.

Species Trimorpha lonchophylla (Hook.) G. L. Nesom

Genus Tripleurospermum Sch. Bip.

Species Tripleurospermum inodorum (L.) Sch. Bip.

Genus Trixis P. Browne

Species Trixis californica Kellogg

Genus Tussilago L.

Species Tussilago farfara L.

Genus Verbesina L.

Species Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray

Genus Viguiera Kunth

Species Viguiera dentata (Cav.) Spreng.

Genus Xanthisma DC.

Species Xanthisma gracile (Nutt.) D. R. Morgan & R. L. Hartm.

Species Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm.

Species Xanthisma grindelioides (Nuttall) D. R. Morgan & R. L. Hartman

variety Xanthisma grindelioides (Nuttall) D. R. Morgan & R. L. Hartman var. grindelioides

Genus Xanthium L.

Species Xanthium strumarium L.

variety Xanthium strumarium L. var. canadense (Miller) Torrey & A. Gray

Species Cacaliopsis A. Gray

Species Cacaliopsis nardosmia (A. Gray) A. Gray

variety Cacaliopsis nardosmia (A. Gray) A. Gray var. glabrata Piper

Family Campanulaceae

Genus Adenophora Fisch.

Genus Campanula L.

Species Campanula alaskana (A. Gray) Wight ex J. P. Anderson & Hultén

Species Campanula alberti Trautv.

Species Campanula americana L.

Species Campanula anomala Fomin

Species Campanula aurita Greene

Species Campanula divaricata Michx.

Species Campanula excisa Schleich. ex Murith

Species Campanula flaccida Dalla Torre & Sarnth.

Species Campanula glomerata L.

subspecies Campanula glomerata L. ssp. farinosa (Rochel ex Besser) Kirschl.

Species Campanula lasiocarpa Cham.

subspecies Campanula lasiocarpa Cham. ssp. lasiocarpa

variety Campanula lasiocarpa Cham. var. lasiocarpa

Species Campanula medium L.

Species Campanula oblongifolia (K. Koch) Kharadze

Species Campanula parryi A. Gray

Species Campanula patula L.

Species Campanula persicifolia L.

Species Campanula pilosa Pallas ex Schultes in Roem. & Schultes

Species Campanula prenanthoides Durand

Species Campanula rapunculoides L.

variety Campanula rapunculoides L. var. rapunculoides

Species Campanula rapunculus L.

Species Campanula rotundifolia L.

subspecies Campanula rotundifolia L. ssp. langsdorffiana (Fisch. ex Trautv. & C. A. Mey.) N. S. Vodopianova

Species Campanula sarmatica Ker Gawl.

Species Campanula scabrella Engelm.

Species Campanula scheuchzeri Vill.

Species Campanula scouleri A. DC.

Genus Clermontia Gaudich.

Species Clermontia waimeae Rock

Genus Downingia Torr.

Species Downingia elegans (Douglas ex Lindl.) Torr.

Species Downingia pulchella (Lindl.) Torr.

Species Downingia bicornuta A. Gray

variety Downingia bicornuta A. Gray var. montana (Greene) Jeps.

Genus Githopsis Nutt.

Species Githopsis pulchella Vatke

Species Githopsis diffusa A. Gray

subspecies Githopsis diffusa A. Gray ssp. candida (Ewan) Morin

Genus Jasione L.

Species Jasione montana L.

Species Jasione perennis Lam.

Genus Laurentia Adans.

Species Laurentia longiflora (L.) Peterm.

Genus Lobelia L.

Species Lobelia amoena Michx.

Species Lobelia cardinalis L.

variety Lobelia cardinalis L. var. cardinalis

Species Lobelia giberroa Hemsl.

Species Lobelia inflata L.

Species Lobelia kalmii L.

Species Lobelia splendens Humb. & Bonpl. ex Willd.

Species Lobelia siphilitica L.

variety Lobelia siphilitica L. var. ludoviciana A. DC.

variety Lobelia siphilitica L. var. siphilitica

Genus Melanocalyx (Fedorov) Morin

Species Melanocalyx uniflora (Linnaeus) Morin

Genus Nemacladus Nutt.

Species Nemacladus glanduliferus Jeps.

Species Nemacladus rigidus Curran

Genus Phyteuma L.

Species Phyteuma betonicifolium Vill.

Species Phyteuma globulariifolium Sternb. & Hoppe

Species Phyteuma hemisphaericum L.

Species Phyteuma michelii All.

Species Phyteuma spicatum L.

Genus Platycodon A. DC.

Species Platycodon grandiflorus (Jacq.) A. DC.

Genus Specularia Heist. ex A. DC.

Species Specularia biflora (Ruiz & Pav.) Fisch. & C. A. Mey.

Species Specularia leptocarpa (Nutt.) A. Gray

Species Specularia perfoliata (L.) A. DC.

Genus Triodanis Raf.

Species Triodanis perfoliata (L.) Nieuwl.

Genus Wahlenbergia Schrad. ex Roth

Species Wahlenbergia erecta Tuyn

Species Wahlenbergia gracilis Schrad.

Species Wahlenbergia insulae-howei Lothian

Family Goodeniaceae

Genus Brunonia Sm. ex R. Br.

Species Brunonia australis R. Br.

Genus Goodenia Sm.

Species Goodenia hederacea Sm.

Genus Lechenaultia R. Br.

Species Lechenaultia biloba Lindl.

Genus Scaevola L.

Species Scaevola chamissoniana Gaudich.

Species Scaevola striata R. Br.

Family Menyanthaceae

Genus Fauria Franch.

Species Fauria crista-galli (Menzies) Makino

subspecies Fauria crista-galli (Menzies) Makino ssp. crista-galli

Genus Menyanthes L.

Species Menyanthes trifoliata L.

variety Menyanthes trifoliata L. var. minor Michx. ex Raf.

Genus Nephrophyllidium Gilg

Species Nephrophyllidium crista-galli (Menzies ex Hooker) Gilg

subspecies Nephrophyllidium crista-galli (Menzies ex Hooker) Gilg ssp. crista-galli

Genus Nymphoides Ség.

Species Nymphoides cordata (Elliott) Fernald

Species Nymphoides peltata (S. G. Gmel.) Kuntze

Family Stylidiaceae

Genus Stylidium Sw. ex Willd.

Species Stylidium graminifolium Sw.

Order Boraginales

Family Boraginaceae

Genus Amsinckia Lehman

Species Amsinckia menziesii (Lehmann) A. Nelson & J.F. MacBride

Genus Anchusa L.

Species Anchusa officinalis L.

Genus Borago L.

Species Borago officinalis L.

Genus Cryptantha Lehm. ex G. Don

Species Cryptantha ambigua (A. Gray) Greene

Species Cryptantha angustifolia (Torr.) Greene

Species Cryptantha bradburiana Payson

Species Cryptantha celosioides (Eastwood) Payson

Species Cryptantha fendleri (A. Gray) Greene

Species Cryptantha nubigena (Greene) Payson

Species Cryptantha sheldonii (Brand) Payson

Species Cryptantha torreyana (A. Gray) Greene

Species Cryptantha watsonii (A. Gray) Greene

Species Cryptantha jamesii (Torr.) Payson

subspecies Cryptantha jamesii (Torr.) Payson ssp. setosa (M. E. Jones) I. M. Johnst. ex Tidestr.

Genus Cynoglossum L.

Species Cynoglossum boreale Fernald

Species Cynoglossum officinale L.

Genus Echium L.

Species Echium vulgare L.

Genus Eriodictyon Benth.

Species Eriodictyon angustifolium Nutt.

Species Eriodictyon californicum (Hook. & Arn.) Torr.

Species Eriodictyon crassifolium Benth.

Species Eriodictyon parryi (A. Gray) Greene

Species Eriodictyon trichocalyx A. Heller

variety Eriodictyon trichocalyx A. Heller var. lanatum (Brand) Jeps.

Genus Eritrichium Schrad. ex Gaudin

Species Eritrichium chamissonis DC.

Genus Hackelia Opiz

Species Hackelia americana (A. Gray) Fernald

Species Hackelia ciliata (Douglas ex Lehmann) I. M. Johnston

Species Hackelia deflexa (Wahlenberg) Opiz

subspecies Hackelia deflexa (Wahlenberg) Opiz ssp. americana (A. Gray) Á. Löve & D. Löve

Species Hackelia diffusa (Douglas ex Lehmann) I. M. Johnston

Species Hackelia floribunda (Lehm.) I. M. Johnst.

Species Hackelia jessicae (E. A. McGregor) Brand

Species Hackelia micrantha (Eastwood) J. L. Gentry

Genus Lappula Moench

Species Lappula echinata Gilib.

Species Lappula marginata Gürke

Species Lappula occidentalis (S. Wats.) Greene

Species Lappula squarrosa (Retz.) Dumort.

Species Lappula redowskii (Hornem.) Greene

variety Lappula redowskii (Hornem.) Greene var. occidentalis (S. Watson) Rydb.

Genus Lithospermum L.

Species Lithospermum incisum Lehm.

Genus Mertensia Roth

Species Mertensia maritima (L.) S. F. Gray

Species Mertensia oblongifolia (Nutt.) G. Don

Species Mertensia paniculata (Ait.) G. Don

subspecies Mertensia paniculata (Ait.) G. Don ssp. paniculata

variety Mertensia paniculata (Ait.) G. Don var. paniculata

Genus Myosotis L.

Species Myosotis arvensis (L.) Hill

Species Myosotis asiatica (Vestergr. ex Hultén) Schischk. & Serg.

Species Myosotis laxa Lehmann

Species Myosotis sparsiflora Pohl

Species Myosotis stricta Link ex Roem. & Schult.

Species Myosotis sylvatica Ehrh. ex Hoffm.

variety Myosotis sylvatica Ehrh. ex Hoffm. var. alpestris (F. W. Schmidt) Koch

Species Myosotis alpestris F. W. Schmidt

subspecies Myosotis alpestris F. W. Schmidt ssp. asiatica Vestergr.

Genus Nonea Medikus

Species Nonea vesicaria (L.) Reichenbach

Genus Onosmodium Michx.

Species Onosmodium molle Michx.

subspecies Onosmodium molle Michx. ssp. hispidissimum (Mack.) B. Boivin

Genus Plagiobothrys Fisch. & C.A. Mey.

Species Plagiobothrys figuratus (Piper) I. M. Johnston ex M. Peck

Species Plagiobothrys scouleri (Hook. & Arn.) I. M. Johnst.

variety Plagiobothrys scouleri (Hook. & Arn.) I. M. Johnston var. hispidulus (Greene) Dorn

Species Plagiobothrys tenellus (Nuttall ex Hooker) A. Gray

Genus Pulmonaria L.

Species Pulmonaria mollis Wulfen ex Hornem.

Species Pulmonaria obscura Dumort.

Genus Symphytum L.

Species Symphytum cordatum Waldst. & Kit ex Willd.

Species Symphytum officinale L.

Species Symphytum tuberosum L.

Family Heliotropiaceae

Genus Heliotropium L.

Species Heliotropium curassavicum L.

Species Heliotropium curassavicum L. var. obovatum de Candolle

Family Hydrophyllaceae

Genus Ellisia L.

Species Ellisia chrysanthemifolia Benth.

Species Ellisia membranacea Benth.

Genus Emmenanthe Benth.

Species Emmenanthe penduliflora Benth.

Genus Hesperochiron S. Watson

Genus Hesperochiron pumilus (Griseb.) Porter

form Hesperochiron pumilus fo. fulcratus (Greene) Brand

Species Hesperochiron californicus (Benth.) S. Watson

Species Hesperochiron lasianthus (Greene) H. St. John

Genus Hydrolea L.

Species Hydrolea uniflora Raf.

Genus Hydrophyllum L.

Species Hydrophyllum appendiculatum Michx.

Species Hydrophyllum canadense L.

Species Hydrophyllum fendleri (A. Gray) A. Heller

variety Hydrophyllum fendleri (A. Gray) A. Heller var. albifrons (A. Heller) J.F. Macbr.

variety Hydrophyllum fendleri (A. Gray) A. Heller var. fendleri

Species Hydrophyllum macrophyllum Nutt

Species Hydrophyllum tenuipes A. Heller

Species Hydrophyllum thompsonii M. Peck

Species Hydrophyllum virginianum L.

Species Hydrophyllum capitatum Douglas ex Benth.

variety Hydrophyllum capitatum Douglas ex Benth. var. capitatum

variety Hydrophyllum capitatum Douglas ex Benth. var. thompsonii (M. Peck) Constance

Genus Nemophila Nutt.

Species Nemophila aurita Lindl.

Species Nemophila kirtleyi L.F. Hend.

Species Nemophila maculata Benth. ex Lindl.

Species Nemophila menziesii Hook. & Arn

Species Nemophila parviflora Douglas ex Benth.

Species Nemophila rotata Eastw.

variety Nemophila rotata Eastw. var. integrifolia (Parish) Munz & J. West

Species Nemophila spatulata Coville

Genus Phacelia Juss.

Species Phacelia ambigua M.E. Jones

Species Phacelia bolanderi A. Gray

Species Phacelia brachyloba (Benth.) A. Gray

Species Phacelia californica Cham.

Species Phacelia campanularia A. Gray

Species Phacelia ciliata Benth.

Species Phacelia crenulata Torr. ex S. Watson

variety Phacelia crenulata Torr. ex S. Watson var. corrugata (A. Nelson) Brand

Species Phacelia cryptantha Greene

Species Phacelia curvipes Torr. ex S. Watson

Species Phacelia distans Benth.

Species Phacelia douglasii (Benth.) Torr.

Species Phacelia eximia Eastw.

Species Phacelia franklinii (R. Br.) A. Gray

Species Phacelia frigida Greene

Species Phacelia grandiflora (Benth.) A. Gray

Species Phacelia hastata Douglas ex Lehm.

variety Phacelia hastata Douglas ex Lehm. var. alpina (Rydb.) Cronq.

variety Phacelia hastata Douglas ex Lehm. var. hastata

variety Phacelia hastata Douglas ex Lehm. var. leucophylla (Torr.) Cronquist

Species Phacelia heterophylla Pursh

variety Phacelia heterophylla Pursh var. heterophylla

variety Phacelia heterophylla Pursh var. virgata (Greene) Dorn

Species Phacelia hirsuta Nutt.

Species Phacelia humilis Torr. & A. Gray

Species Phacelia hydrophylloides Torr. ex A. Gray

Species Phacelia inconspicua Greene

Species Phacelia ivesiana Torr.

Species Phacelia leptosepala Rydb.

Species Phacelia leucophylla Torr

Species Phacelia malvifolia Cham.

Species Phacelia minor (Harv.) Thell. ex F. Zimm.

Species Phacelia nemoralis Greene

Species Phacelia parryi Torr.

Species Phacelia parviflora Pursh

Species Phacelia procera A. Gray

Species Phacelia purshii Buckley

Species Phacelia rattanii A. Gray

Species Phacelia sericea (Graham) A. Gray

variety Phacelia sericea (Graham) A. Gray var. sericea

Species Phacelia tanacetifolia Benth.

Species Phacelia ramosissima Douglas ex Lehm.

variety Phacelia ramosissima Dougl.ex Lehm. var. suffrutescens (Parry) Parry ex A. Gray

Genus Romanzoffia Cham.

Species Romanzoffia minima Brand

Species Romanzoffia suksdorfii Greene

Family Namaceae

Genus Nama L.

Species Nama demissa A. Gray

Species Nama lobbii A. Gray

Order Brassicales

Family Brassicaceae

Genus Camelina Crantz

Species Camelina alyssum (Mill.) Thell.

Species Camelina microcarpa Andrz. ex DC.

Species Camelina rumelica Velen.

Species Camelina sativa (L.) Crantz

Genus Alliaria Heist. ex Fabr.

Species Alliaria officinalis Andrz. ex DC.

Species Alliaria petiolata (M. Bieb.) Cavara & Grande

Genus Alyssoides Mill.

Species Alyssoides utriculata (L.) Medik.

Genus Alyssum L.

Species Alyssum alyssoides (L.) L.

Species Alyssum calycinum L.

Species Alyssum desertorum Stapf

Species Alyssum incanum L.

Species Alyssum murale Waldst. & Kit.

Species Alyssum obovatum (C. A. Mey.) Turcz.

Species Alyssum saxatile L.

Species Alyssum turkestanicum Regel & Schmalhausen

Genus Arabidopsis (DC.) Heynh.

Species Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz

subspecies Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz ssp. kamchatica (Fischer ex de Candolle) O'Kane & Al-Shehbaz

subspecies Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz ssp. lyrata

Genus Arabis L.

Species Arabis alpina L.

Species Arabis arenicola (Richardson ex Hook.) Gelert

variety Arabis arenicola (Richardson ex Hook.) Gelert var. pubescens (S. Watson) Gelert

Species Arabis auriculata Lam.

Species Arabis blepharophylla Hook. & Arn.

Species Arabis canadensis L.

Species Arabis confinis S. Watson

Species Arabis connexa Greene

Species Arabis corymbiflora Vest

variety Arabis corymbiflora Vest var. glabrata Thell.

Species Arabis demissa Greene

Species Arabis densicaulis A. Nelson

Species Arabis divaricarpa A. Nels.

variety Arabis divaricarpa A. Nels. var. dacotica (Greene) B. Boivin

variety Arabis divaricarpa A. Nels. var. divaricarpa

Species Arabis drummondii A. Gray

variety Arabis drummondii A. Gray var. drummondii

Species Arabis furcata S. Watson

Species Arabis glabra (L.) Bernh.

variety Arabis glabra (L.) Bernh. var. glabra

Species Arabis halleri L.

Species Arabis hirsuta (L.) Scop.

subspecies Arabis hirsuta (L.) Scop. ssp. pycnocarpa (M. Hopkins) Hultén

variety Arabis hirsuta (L.) Scop. var. eschscholtziana (Andrz.) Rollins

variety Arabis hirsuta (L.) Scop. var. glabrata Torr. & A. Gray

variety Arabis hirsuta (L.) Scop. var. hirsuta

variety Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins

Species Arabis howellii S. Watson

Species Arabis jacquinii Beck

Species Arabis kamchatica (Fisch.) Ledeb.

Species Arabis lyallii S. Wats.

Species Arabis lyrata L.

Species Arabis media N. Busch

Species Arabis microphylla Nutt.

Species Arabis nuttallii (Kuntze) B. L. Rob.

Species Arabis ovata (Pursh) Poir.

Species Arabis parishii S. Watson

Species Arabis perennans S. Watson

Species Arabis perfoliata Lam.

Species Arabis pinetorum Tidestr.

Species Arabis puberula Nutt.

Species Arabis pycnocarpa M. Hopkins

Species Arabis rhomboidea Pers.

Species Arabis selbyi Rydb.

Species Arabis turrita L.

Species Arabis umbrosa Turcz. ex Steud.

Species Arabis holboellii Hornem.

variety Arabis holboellii Hornem. var. collinsii (Fernald) Rollins

variety Arabis holboellii Hornem. var. pendulocarpa (A. Nelson) Rollins

variety Arabis holboellii Hornem. var. pinetorum (Tidestr.) Rollins

variety Arabis holboellii Hornem. var. retrofracta (Graham) Rydb.

variety Arabis holboellii Hornem. var. secunda (Howell) Jeps.

Species Arabis lemmonii S. Wats.

variety Arabis lemmonii S. Wats. var. lemmonii

Species Arabis perstellata E. L. Braun

variety Arabis perstellata E. L. Braun var. phalacrocarpa (M. Hopkins) Fernald

Species Arabis platysperma A. Gray

variety Arabis platysperma A. Gray var. howellii (S. Watson) Jeps.

Species Arabis retrofracta Graham

variety Arabis retrofracta Graham var. collinsii (Fernald) B. Boivin

variety Arabis retrofracta Graham var. multicaulis B. Boivin

variety Arabis retrofracta Graham var. retrofracta

Species Arabis sparsiflora Nutt.

variety Arabis sparsiflora Nutt. var. subvillosa (S. Watson) Rollins

Genus Armoracia P. Gaertn. & B. Mey. & Scherb.

Species Armoracia aquatica Kostel.

Species Armoracia rusticana P. Gaertn., B. Mey. & Scherb.

Genus Athysanus Greene

Species Athysanus pusillus (Hook.) Greene

Genus Aubrieta Adans.

Species Aubrieta deltoidea (L.) DC.

Genus Barbarea R. Br.

Species Barbarea intermedia Boreau

Species Barbarea vulgaris W. T. Aiton

variety Barbarea vulgaris W. T. Aiton var. arcuata (Opiz ex J. Presl & C. Presl) Fr.

Genus Berteroa DC.

Species Berteroa incana (L.) DC.

Genus Biscutella L.

Species Biscutella laevigata L.

Genus Boechera Á. Löve & D. Löve

Species Boechera calderi (G. A. Mulligan) Windham & Al-Shehbaz

Species Boechera collinsii (Fernald) Á. Löve & D. Löve

Species Boechera drepanoloba (Greene) Windham & Al-Shehbaz

Species Boechera grahamii (Lehm.) Windham & Al-Shehbaz

Species Boechera lemmonii (S. Wats.) W. A. Weber

Species Boechera lyallii (S. Watson) Dorn

Species Boechera pauciflora (Nutt.) Windham & Al-Shehbaz

Species Boechera stricta (Graham) Al-Shehbaz

Genus Brassica L.

Species Brassica campestris L.

Species Brassica hirta Moench

Species Brassica juncea (L.) Czern.

Species Brassica napus L.

Species Brassica nigra (L.) W.D.J. Koch

Species Brassica rapa L.

Species Brassica tournefortii Gouan

Species Brassica kaber (DC.) L. C. Wheeler

variety Brassica kaber (DC.) L. C. Wheeler var. pinnatifida (Stokes) L. C. Wheeler

Genus Braya Sternb. & Hoppe

Species Braya aenea Bunge

Species Braya alpina Sternb. & Hoppe

Species Braya fernaldii Abbe

Species Braya henryae Raup

Species Braya linearis Rouy

Species Braya longii Fernald

Species Braya richardsonii (Rydb.) Fernald

Species Braya rosea (Turcz.) Bunge

Species Braya siliquosa Bunge

Species Braya glabella Richardson

variety Braya glabella Richardson var. glabella

Species Braya humilis (C. A. Mey.) B. L. Rob.

subspecies Braya humilis (C. A. Mey.) B. L. Rob. ssp. arctica (Böcher) Rollins

subspecies Braya humilis (C. A. Mey.) B. L. Rob. ssp. humilis

variety Braya humilis (C. A. Mey.) B. L. Rob. var. humilis

Species Braya thorild-wulffii Ostenf.

subspecies Braya thorild-wulffii Ostenf. ssp. thorild-wulffii

Genus Buchingera Boiss. & Hohen. ex Boiss.

Species Buchingera axillaris Boiss. & Hohen. ex Boiss.

Genus Bunias L.

Species Bunias orientalis L.

Genus Cakile Mill.

Species Cakile edentula (Bigelow) Hook

variety Cakile edentula (Bigelow) Hook. var. californica (A. Heller) Fernald

Species Cakile maritima Scop.

Genus Capsella Medik.

Species Capsella bursa-pastoris (L.) Medik.

Genus Cardamine L.

Species Cardamine amara L.

Species Cardamine bellidifolia L.

Species Cardamine breweri S. Watson

Species Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb.

Species Cardamine constancei Detling

Species Cardamine cordifolia A. Gray

Species Cardamine digitata Richardson

Species Cardamine flexuosa With.

Species Cardamine hirsuta L.

Species Cardamine hyperborea O. E. Schulz

Species Cardamine impatiens L.

Species Cardamine kitaibelii (Waldst. & Kit.) Bech.

Species Cardamine lyallii S. Watson

Species Cardamine macrophylla Willd.

Species Cardamine microphylla Adams

Species Cardamine pratensis L.

subspecies Cardamine pratensis L. ssp. angustifolia (Hook.) O. E. Schulz

subspecies Cardamine pratensis L. ssp. paludosa (Knaf) Èelak

variety Cardamine pratensis L. var. palustris Wimm. & Grab.

Species Cardamine prorepens Fisch. ex DC.

Species Cardamine purpurea Cham. & Schltdl.

Species Cardamine rhomboidea (Pers.) DC.

Species Cardamine trifolia L.

Species Cardamine oligosperma Nutt.

variety Cardamine oligosperma Nutt. var. kamtschatica (Regel) Detling

Species Cardamine parviflora L.

variety Cardamine parviflora L. var. arenicola (Britton) O.E. Schulz

Genus Cardaminopsis (C. A. Mey.) Hayek

Species Cardaminopsis arenosa (L.) Hayek

Species Cardaminopsis suecica (Fr.) Hiitonen ex Hyl.

Genus Cardaria Desv.

Species Cardaria chalepensis (L.) Hand.-Mazz.

Species Cardaria draba (L.) Desv.

variety Cardaria draba (L.) Desv. var. repens (Schrenk ex Fisch. & C. A. Mey.) O. E. Schulz

Species Cardaria pubescens (C. A. Mey.) Jarm.

variety Cardaria pubescens (C. A. Mey.) Jarm. var. elongata Rollins

Genus Chorispora R. Br. ex DC.

Species Chorispora tenella (Pall.) DC.

Genus Cochlearia L.

Species Cochlearia cyclocarpa S.F. Blake

Species Cochlearia groenlandica L.

Species Cochlearia tridactylites Banks ex DC.

Genus Coincya Rouy

Species Coincya rupestris Porta & Rigo ex Rouy

Genus Conringia Heist. ex Fabr.

Species Conringia orientalis (L.) Dumort.

Genus Dentaria L.

Species Dentaria bulbifera L.

Species Dentaria californica Nutt.

Species Dentaria diphylla Michx.

Species Dentaria glandulosa Waldst. & Kit.

Species Dentaria laciniata Muhl. ex Willd.

Species Dentaria polyphylla Waldst. & Kit.

Species Dentaria tenella Pursh

variety Dentaria tenella Pursh var. pulcherrima (Greene) Detling

Genus Descurainia Webb & Berthel.

Species Descurainia californica (A. Gray) O.E. Schulz

Species Descurainia incana (Bernh. ex Fisch. & C. A. Mey.) Dorn

variety Descurainia incana (Bernh. ex Fisch. & C. A. Mey.) Dorn var. incana

Species Descurainia incisa (Engelm. ex A. Gray) Britton

subspecies Descurainia incisa (Engelm. ex A. Gray) Britton ssp. incisa

variety Descurainia incisa (Engelm. ex A. Gray) Britton var. incisa

Species Descurainia pinnata (Walter) Britton

subspecies Descurainia pinnata (Walter) Britton ssp. brachycarpa (Richardson) Detling

subspecies Descurainia pinnata (Walter) Britton ssp. nelsonii (Rydb.) Detling

subspecies Descurainia pinnata (Walter) Britton ssp. ochroleuca (Wooton) Detling

variety Descurainia pinnata (Walter) Britton var. brachycarpa (Richardson) Fernald

variety Descurainia pinnata (Walter) Britton var. filipes (A. Gray) M. Peck

variety Descurainia pinnata (Walter) Britton var. intermedia (Rydb.) C. L. Hitchc.

Species Descurainia richardsonii O. E. Schulz

Species Descurainia sophia (L.) Webb ex Prantl

Species Descurainia sophioides (Fisch. ex Hook.) O. E. Schulz

Genus Diplotaxis DC.

Species Diplotaxis muralis (L.) DC.

Species Diplotaxis tenuifolia (L.) DC.

Genus Dithyrea Harv.

Species Dithyrea californica Harv.

Species Dithyrea wislizeni Engelm.

Genus Draba L.

Species Draba aizoides L.

Species Draba albertina Greene

Species Draba allenii Fernald

Species Draba alpina L.

Species Draba arabisans Michx.

Species Draba aurea Vahl ex Hornem.

variety Draba aurea Vahl ex Hornem. var. aurea

variety Draba aurea Vahl ex Hornem. var. leiocarpa (Payson & H. St. John) C. L. Hitchc.

Species Draba bellii Holm

variety Draba bellii Holm. var. gracilis E. Ekman

Species Draba borealis DC.

variety Draba borealis DC. var. borealis

variety Draba borealis DC. var. maxima (Hultén) S. L. Welsh

Species Draba brachycarpa Nutt. ex Torr. & A. Gray

Species Draba brachystylis Rydb.

Species Draba bryoides DC.

Species Draba caesia Adams

Species Draba camtschatica Andrz. ex Tolm.

Species Draba cana Rydb.

Species Draba caroliniana Walter

Species Draba cinerea Adams

Species Draba corymbosa R. Br. ex DC.

Species Draba crassa Rydb.

Species Draba crassifolia Graham

Species Draba cuneifolia Nutt. ex Torr. & A. Gray

variety Draba cuneifolia Nutt. ex Torr. & A. Gray var. integrifolia S. Watson

variety Draba cuneifolia Nutt. ex Torr. & A. Gray var. platycarpa (Torr. & A. Gray) S. Watson

Species Draba eschscholtzii Pohle & N. Busch

Species Draba fladnizensis Wulfen

Species Draba glabella Pursh

Species Draba glacialis Adams

Species Draba grandis Langsd. ex DC.

Species Draba helleriana Greene

Species Draba hirta L.

Species Draba incana L.

variety Draba incana L. var. confusa (Ehrh.) Lilj.

Species Draba incerta Payson

Species Draba juniperina Dorn

Species Draba lactea Adams

Species Draba lanceolata Royle

Species Draba lonchocarpa Rydb.

variety Draba lonchocarpa Rydb. var. lonchocarpa

Species Draba maccallae Rydb.

Species Draba macrocarpa Adams

Species Draba maguirei C. L. Hitchc.

Species Draba micropetala Hook.

Species Draba nemorosa L.

variety Draba nemorosa L. var. leiocarpa Lindblom

variety Draba nemorosa L. var. nemorosa

Species Draba nivalis Lilj.

variety Draba nivalis Lilj. var. elongata S. Wats.

Species Draba norvegica Gunnerus

Species Draba novolympica Payson & H. St. John

Species Draba oblongata R. Br.

Species Draba ogilviensis Hultén

Species Draba oligosperma Hook.

variety Draba oligosperma Hook. var. oligosperma

Species Draba palanderiana Kjellm.

Species Draba paysonii J. F. Macbr.

Species Draba praealta Greene

Species Draba ramosissima Desv.

Species Draba rupestris W. T. Aiton

Species Draba spectabilis Greene

Species Draba streptocarpa A. Gray

variety Draba streptocarpa A. Gray var. grayana Rydb.

Species Draba subamplexicaulis C. A. Mey.

Species Draba subcapitata Simmons

Species Draba turczaninowii Pohle & N. Busch

Species Draba verna L.

Species Draba reptans (Lam.) Fernald

variety Draba reptans (Lam.) Fernald var. micrantha (Nutt.) Fernald

Species Draba stenoloba Ledeb.

variety Draba stenoloba Ledeb. var. nana (O. E. Schulz) C. L. Hitchc.

Species Draba ventosa A. Gray

variety Draba ventosa A. Gray var. ventosa

Genus Erophila DC.

Species Erophila verna (L.) DC.

Genus Eruca Mill.

Species Eruca sativa Mill.

Genus Erucastrum C. Presl

Species Erucastrum gallicum (Willd.) O. E. Schulz

Genus Erysimum L.

Species Erysimum asperum (Nutt.) DC.

Species Erysimum cheiranthoides L.

subspecies Erysimum cheiranthoides L. ssp. cheiranthoides

Species Erysimum coarctatum Fernald

Species Erysimum helveticum DC.

Species Erysimum hieracifolium L.

Species Erysimum inconspicuum (S. Wats.) MacMill.

Species Erysimum menziesii (Hook.) Wettst

Species Erysimum nivale (Greene) Rydb.

Species Erysimum pallasii (Pursh) Fern.

Species Erysimum repandum L.

Species Erysimum capitatum (Douglas ex Hook.) Greene

variety Erysimum capitatum (Douglas ex Hook.) Greene var. argillosum (Greene) R. J. Davis

variety Erysimum capitatum (Douglas ex Hook.) Greene var. capitatum

Genus Eutrema R. Br.

Species Eutrema edwardsii R. Br.

Species Eutrema salsugineum (Pallas) Al-Shehbaz & Warwick

Genus Gormania Britton

Species Gormania watsonii Britton

Genus Halimolobos Tausch

Species Halimolobos mollis (Hook.) Rollins

Genus Hesperis L.

Species Hesperis matronalis L.

Genus Hugueninia Rchb.

Species Hugueninia tanacetifolia (L.) Rchb.

subspecies Hugueninia tanacetifolia (L.) Rchb. ssp. tanacetifolia (L.) Rchb.

Genus Hymenophysa C. A. Mey.

Species Hymenophysa pubescens C. A. Mey.

Genus Idahoa A. Nelson & J.F. Macbr.

Species Idahoa scapigera (Hook.) A. Nelson & J. F. Macbr.

Genus Isatis L.

Species Isatis tinctoria L.

Genus Kernera Medik.

Species Kernera saxatilis (L.) Rchb.

Genus Lepidium L.

Species Lepidium apetalum Willd.

Species Lepidium barnebyanum Reveal

Species Lepidium bourgeauanum Thell.

Species Lepidium campestre (L.) W. T. Aiton

Species Lepidium dictyotum A. Gray

Species Lepidium flavum Torr.

Species Lepidium fremontii S. Watson

Species Lepidium idahoense A. Heller

Species Lepidium lasiocarpum Nutt.

Species Lepidium latifolium L.

Species Lepidium nitidum Nutt.

Species Lepidium perfoliatum L.

Species Lepidium ramosissimum A. Nels.

Species Lepidium ruderale L.

Species Lepidium sativum L.

Species Lepidium virginicum L.

variety Lepidium virginicum L. var. medium (Greene) C.L. Hitchc.

variety Lepidium virginicum L. var. pubescens (Greene) Thell.

Species Lepidium densiflorum Schrad.

variety Lepidium densiflorum Schrad. var. bourgeauanum (Thell.) C.L. Hitchc.

variety Lepidium densiflorum Schrad. var. densiflorum

variety Lepidium densiflorum Schrad. var. macrocarpum G. A. Mulligan

Species Lepidium montanum Nutt.

subspecies Lepidium montanum Nutt. ssp. alyssoides (A. Gray) C.L. Hitchc.

variety Lepidium montanum Nutt. var. neeseae S.L. Welsh & Reveal

variety Lepidium montanum Nutt. var. stellae S.L. Welsh & Reveal

Genus Lesquerella S. Wats.

Species Lesquerella alpina (Nutt.) S. Watson

variety Lesquerella alpina (Nutt.) S. Watson var. alpina

variety Lesquerella alpina (Nutt.) S. Watson var. spatulata (Rydb.) Payson

Species Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.

subspecies Lesquerella arctica (Wormsk. ex Hornem.) S. Wats. ssp. calderi (G. A. Mulligan & A. E. Porsild) Hultén

subspecies Lesquerella arctica (Wormsk. ex Hornem.) S. Wats. ssp. purshii (S. Wats.) A. E. Porsild

Species Lesquerella arenosa (Richardson) Rydb.

variety Lesquerella arenosa (Richardson) Rydb. var. arenosa

Species Lesquerella argentea (S. Schauer) S. Watson

Species Lesquerella auriculata (Engelm. & A. Gray) S. Watson

Species Lesquerella cusickii M. E. Jones

Species Lesquerella douglasii S. Watson

Species Lesquerella fendleri (A. Gray) S. Watson

Species Lesquerella ludoviciana (Nutt.) S. Watson

variety Lesquerella ludoviciana (Nutt.) S. Watson var. arenosa (Richardson) S. Watson

Species Lesquerella montana (A. Gray) S. Watson

Species Lesquerella paysonii Rollins

Species Lesquerella repanda (Nutt. ex Torr. & A. Gray) S. Watson

Species Lesquerella spatulata Rydb.

Genus Lunaria L.

Species Lunaria annua L.

Species Lunaria rediviva L.

Genus Lyrocarpa Hook. & Harv.

Species Lyrocarpa coulteri Hook. & Harv.

Genus Macropodium W. T. Aiton

Species Macropodium nivale (Pall.) W. T. Aiton

Genus Malcolmia W. T. Aiton

Species Malcolmia littorea (L.) W. T. Aiton

Genus Nasturtium R. Br.

Species Nasturtium officinale R. Br.

Genus Neslia Desv.

Species Neslia paniculata (L.) Desv.

Genus Parrya R. Br.

Species Parrya arctica R. Br.

Species Parrya nudicaulis (L.) Regel

subspecies Parrya nudicaulis (L.) Regel ssp. interior Hultén

subspecies Parrya nudicaulis (L.) Regel ssp. nudicaulis

subspecies Parrya nudicaulis (L.) Regel ssp. septentrionalis Hultén

Species Parrya rydbergii Botsch.

Genus Phoenicaulis Nutt.

Species Phoenicaulis cheiranthoides Nutt.

Species Phoenicaulis menziesii Greene

Genus Phryne Bubani

Species Phryne huetii O.E. Schulz

Genus Physaria (Nutt. ex Torr. & A. Gray) A. Gray

Species Physaria alpestris Suksd.

Species Physaria arctica (Wormsk. ex Hornem.) O'Kane & Al-Shehbaz

Species Physaria chambersii Rollins

Species Physaria didymocarpa (Hook.) A. Gray

Species Physaria floribunda Rydb.

Species Physaria newberryi A. Gray

Species Physaria arenosa (Richardson) O’Kane & Al-Shehbaz

subspecies Physaria arenosa (Richardson) O’Kane & Al-Shehbaz ssp. arenosa

Genus Radicula Moench

Species Radicula aquatica (Eaton) B.L. Rob.

Species Radicula armoracia (L.) B. L. Rob.

Genus Raphanus L.

Species Raphanus raphanistrum L.

variety Raphanus raphanistrum L. var. sativus (L.) Domin

Genus Rorippa Scop.

Species Rorippa aquatica (Eaton) E. J. Palmer & Steyermark

Species Rorippa armoracia (L.) Hitchc.

Species Rorippa austriaca (Crantz) Besser

Species Rorippa islandica (Oeder ex Murray) Borbás

variety Rorippa islandica (Oeder ex Murray) Borbás var. islandica

variety Rorippa islandica (Oeder ex Murray) Borbás var. microcarpa (Regel) Fernald

Species Rorippa micrantha (Roth) Jonsell

Species Rorippa microtitis (B.L. Rob.) Rollins

Species Rorippa palustris (L.) Besser

subspecies Rorippa palustris (L.) Besser ssp. hispida (Desvaux) Jonsell

subspecies Rorippa palustris (L.) Besser ssp. palustris

variety Rorippa palustris (L.) Besser var. hispida (Desv.) Rydb.

variety Rorippa palustris (L.) Besser var. palustris

Species Rorippa sylvestris (L.) Besser

Species Rorippa curvipes Greene

variety Rorippa curvipes Greene var. curvipes

Genus Schoenocrambe Greene

Species Schoenocrambe linifolia (Nutt.) Greene

Genus Sinapis L.

Species Sinapis alba L.

Species Sinapis aristidis Pomel

Species Sinapis arvensis L.

Genus Sisymbrium L.

Species Sisymbrium alpinum E. Fourn.

Species Sisymbrium altissimum L.

Species Sisymbrium austriacum Jacq.

Species Sisymbrium humile C. A. Mey.

Species Sisymbrium irio L.

Species Sisymbrium loeselii L.

Species Sisymbrium officinale (L.) Scop.

variety Sisymbrium officinale (L.) Scop. var. leiocarpum DC.

Genus Smelowskia C. A. Mey.

Species Smelowskia americana Rydberg

Species Smelowskia borealis (Greene) W. H. Drury & Rollins

Species Smelowskia calycina (Stephan) C. A. Mey.

variety Smelowskia calycina (Stephan) C. A. Mey. var. americana (Regel & Herder) W. H. Drury & Rollins

variety Smelowskia calycina (Stephan) C. A. Mey. var. integrifolia (Seem.) Rollins

variety Smelowskia calycina (Stephan) C. A. Mey. var. media W. H. Drury & Rollins

variety Smelowskia calycina (Stephan) C. A. Mey. var. porsildii W. H. Drury & Rollins

Species Smelowskia ovalis M. E. Jones

variety Smelowskia ovalis M. E. Jones var. ovalis

Genus Stanleya Nutt.

Species Stanleya arcuata Rydb.

Species Stanleya glauca Rydb.

Species Stanleya integrifolia E. James

Species Stanleya pinnata (Pursh) Britton

variety Stanleya pinnata (Pursh) Britton var. pinnata

Genus Streptanthella Rydb.

Species Streptanthella longirostris (S. Watson) Rydb.

Genus Streptanthus Nutt.

Species Streptanthus cordatus Nutt.

Species Streptanthus tortuosus Kellogg

variety Streptanthus tortuosus Kellogg var. orbiculatus (Greene) H.M. Hall

Genus Subularia L.

Species Subularia aquatica L.

Genus Teesdalia R. Br.

Species Teesdalia nudicaulis (L.) R. Br.

Genus Thelypodiopsis Rydb.

Species Thelypodiopsis vermicularis (S.L. Welsh & Reveal) Rollins

Genus Thelypodium Endl.

Species Thelypodium integrifolium (Nutt.) Endl.

Species Thelypodium lilacinum Greene

Species Thelypodium wrightii A. Gray

Species Thelypodium laciniatum (Hook.) Endl.

variety Thelypodium laciniatum (Hook.) Endl. var. laciniatum

variety Thelypodium laciniatum (Hook.) Endl. var. streptanthoides (Leiberg ex Piper) Payson

Genus Thlaspi L.

Species Thlaspi alpestre Jacq.

Species Thlaspi alpinum Crantz

Species Thlaspi arcticum A. E. Porsild

Species Thlaspi arvense L.

Species Thlaspi erraticum Jord.

Species Thlaspi glaucum (A. Nelson) A. Nelson

variety Thlaspi glaucum (A. Nelson) A. Nelson var. hesperium Payson

variety Thlaspi glaucum (A. Nelson) A. Nelson var. pedunculatum Payson

Species Thlaspi montanum L.

variety Thlaspi montanum L. var. montanum

Species Thlaspi parviflorum A. Nelson

Species Thlaspi perfoliatum L.

Genus Thysanocarpus Hook.

Species Thysanocarpus curvipes Hook.

Species Thysanocarpus radians Benth.

Genus Tropidocarpum Hook.

Species Tropidocarpum gracile Hook.

Family Capparaceae

Genus Boscia Lam.

Species Boscia coriacea Pax

Genus Capparis L.

Species Capparis ovata

Family Cleomaceae

Genus Arivela Raf.

Species Arivela viscosa (L.) Raf.

Genus Cleome L.

Species Cleome amblyocarpa Barratte & Murb.

Species Cleome lutea Hook.

Species Cleome obtusa Britton

Species Cleome serrulata Pursh

Species Cleome spinosa Jacq.

Genus Cleomella DC.

Species Cleomella plocasperma S. Wats.

Genus Cochranella E.M. McGinty & Roalson

Species Cochranella pilosa (Bentham) E.M. McGinty & Roalson

Genus Gynandropsis DC.

Species Gynandropsis gynandra (L.) Briq.

Genus Peritoma DC.

Species Peritoma serrulata (Pursh) DC.

Genus Polanisia Raf.

Species Polanisia dodecandra (L.) DC.

subspecies Polanisia dodecandra (L.) DC. ssp. dodecandra

Genus Sieruela Raf.

Species Sieruela hirta (Klotzch) Roalson & J. C. Hall

Species Sieruela rutidosperma (DC.) Roalson & J.C. Hall

Genus Wislizenia Engelm.

Species Wislizenia refracta Engelm.

Family Gyrostemonaceae

Genus Gyrostemon Desf.

Species Gyrostemon ramulosus Desf.

Genus Tersonia Moq.

Species Tersonia cyathiflora (Fenzl) A. S. George ex J. W. Green

Family Limnanthaceae

Genus Floerkea Willd.

Species Floerkea proserpinacoides Willd.

Genus Limnanthes R. Br.

Species Limnanthes alba Hartw. ex Benth.

Species Limnanthes douglasii R. Br.

Family Resedaceae

Genus Reseda L.

Species Reseda alba L.

Species Reseda lutea L.

Species Reseda luteola L.

Family Salvadoraceae

Genus Salvadora L.

Species Salvadora persica L.

Order Buxales

Family Buxaceae

Genus Buxus L.

Species Buxus sempervirens L.

Order Caryophyllales

Family Aizoaceae

Genus Disphyma N. E. Br.

Species Disphyma crassifolia L. Bolus

Genus Mesembryanthemum L.

Species Mesembryanthemum chilense Molina

Species Mesembryanthemum crystallinum L.

Species Mesembryanthemum nodiflorum L.

Genus Tetragonia L.

Species Tetragonia tetragonoides (Pall.) Kuntze

Genus Trianthema L.

Species Trianthema portulacastrum L.

Species Glinus setiflorus Forssk.

Family Amaranthaceae

Genus Aerva Forssk.

Species Aerva lanata (L.) Schult.

Genus Amaranthus L.

Species Amaranthus albus L.

Species Amaranthus angustifolius Lam.

Species Amaranthus blitoides S. Wats.

Species Amaranthus caudatus L.

Species Amaranthus cruentus L.

Species Amaranthus fimbriatus (Torr.) Benth. ex S. Wats.

Species Amaranthus graecizans L.

subspecies Amaranthus graecizans L. ssp. silvestris (Vill.) Brenan

Species Amaranthus hypochondriacus L.

Species Amaranthus powellii S. Wats.

subspecies Amaranthus powellii S. Wats. ssp. bouchonii (Thell.) Costea & Carretero

Species Amaranthus retroflexus L.

Species Amaranthus tuberculatus (Moq.) J. D. Sauer

Species Amaranthus viridis L.

Genus Atriplex L.

Species Atriplex argentea Nutt.

variety Atriplex argentea Nutt. var. argentea

Species Atriplex gardneri (Moq.) D. Dietr.

variety Atriplex gardneri (Moq.) D. Dietr. var. gardneri

Species Atriplex glabriuscula Edmondston

Species Atriplex gmelinii C.A. Mey. ex Bong.

Species Atriplex hortensis L.

Species Atriplex nuttallii S. Wats.

Species Atriplex patula L.

variety Atriplex patula L. var. litoralis (L.) A. Gray

Species Atriplex prostrata Boucher ex DC.

Species Atriplex subspicata (Nutt.) Rydb.

Species Atriplex suckleyi (Torr.) Rydb.

Genus Axyris L.

Species Axyris amaranthoides L.

Genus Bassia Allioni

Species Bassia scoparia (Linnaeus) Voss

Genus Blitum Linnaeus

Species Blitum nuttallianum Schultes

Species Blitum capitatum Linnaeus

subspecies Blitum capitatum Linnaeus ssp. capitatum

Species Blitum virgatum L.

subspecies Blitum virgatum L. ssp. virgatum

Genus Charpentiera Gaudich.

Species Charpentiera ovata Gaudich.

variety Charpentiera ovata Gaudich. var. ovata

Genus Chenopodiastrum S. Fuentes, Uotila & Borsch

Species Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila & Borsch

Genus Chenopodium L.

Species Chenopodium album L.

Species Chenopodium berlandieri Moq.

subspecies Chenopodium berlandieri Moq. ssp. zschackei (Murr) A. Zobel

variety Chenopodium berlandieri Moq. var. zschackei (Murr) Murr ex Graebn.

Species Chenopodium bonus-henricus L.

Species Chenopodium capitatum (L.) Ambrosi

Species Chenopodium fremontii S. Wats.

Species Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats.

Species Chenopodium polyspermum L.

Species Chenopodium pratericola Rydb.

Species Chenopodium rubrum L.

Species Chenopodium salinum Standl.

Genus Corispermum L.

Species Corispermum hyssopifolium L.

Species Corispermum leptopterum (Asch.) Iljin

Species Corispermum ochotense Ignatov

Species Corispermum villosum Rydb.

Species Corispermum americanum (Nuttall) Nuttall

subspecies Corispermum americanum (Nuttall) Nuttall ssp. americanum

variety Corispermum americanum (Nuttall) Nuttall var. americanum

Genus Cyathula Blume

Species Cyathula coriacea Schinz

Genus Froelichia Moench

Species Froelichia gracilis (Hook.) Moq.

Species Froelichia floridana (Nutt.) Moq.

variety Froelichia floridana (Nutt.) Moq. var. campestris (Small) Fernald

Genus Grayia Hook. & Arn.

Species Grayia spinosa (Hook.) Moq.

Genus Kochia Roth

Species Kochia scoparia (L.) Schrad.

Genus Krascheninnikovia Gueldenstaedt

Species Krascheninnikovia lanata (Pursh) A. Meeuse & A. Smit

Genus Monolepis Schrad.

Species Monolepis nuttalliana (Schult.) Greene

Genus Nothosaerva Wight

Species Nothosaerva brachiata (L.) Wight

Genus Oxybasis Karelin & Kirilov

Species Oxybasis rubra (Linnaeus) S. Fuentes, Uotila & Borsch

Species Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch

subspecies Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch ssp. salina (Standl.) Mosyakin

Genus Salicornia L.

Species Salicornia rubra A. Nelson

Species Salicornia europaea L.

subspecies Salicornia europaea L. ssp. rubra (A. Nelson) Breitung

Genus Salsola L.

Species Salsola collina Pall.

Species Salsola pestifer A. Nelson

Species Salsola tragus L.

Species Salsola kali L.

variety Salsola kali L. var. tenuifolia Tausch

Genus Suaeda Forssk. ex J. F. Gmel.

Species Suaeda calceoliformis (Hook.) Moq.

Genus Tidestromia Standl.

Species Tidestromia lanuginosa (Nutt.) Standl.

Family Basellaceae

Genus Basella L.

Species Basella alba L.

Family Cactaceae

Genus Carnegiea Britton & Rose

Species Carnegiea gigantea (Engelm.) Britton & Rose

Genus Coryphantha (Engelm.) Lem.

Species Coryphantha vivipara (Nutt.) Britton & Rose

Genus Echinocereus Engelm.

Species Echinocereus engelmannii (Parry ex Engelm.) Lem.

Genus Escobaria Britton & Rose

Species Escobaria vivipara (Nuttall) Buxbaum

Genus Opuntia Mill.

Species Opuntia echinocarpa Engelm. & J. M. Bigelow

Species Opuntia fragilis (Nutt.) Haw.

Species Opuntia leptocaulis DC.

Species Opuntia phaeacantha Engelm.

Species Opuntia polyacantha Haw.

variety Opuntia polyacantha Haw. var. hystericina (Engelm. & J. M. Bigelow) B. D. Parfitt

variety Opuntia polyacantha Haw. var. polyacantha

Genus Sclerocactus Britton & Rose

Species Sclerocactus wrightiae L. D. Benson

Family Caryophyllaceae

Genus Arenaria L.

Species Arenaria arctica Steven ex Ser.

Species Arenaria capillaris Poir.

variety Arenaria capillaris Poir. var. americana (Maguire) R. J. Davis

Species Arenaria congesta Nutt.

variety Arenaria congesta Nutt. var. expansa Maguire

variety Arenaria congesta Nutt. var. lithophila Rydb.

Species Arenaria dawsonensis Britton

Species Arenaria douglasii Fenzl ex Torr. & A. Gray

Species Arenaria humifusa Wahlenb.

Species Arenaria lateriflora L.

Species Arenaria nuttallii Pax

Species Arenaria obtusiloba (Rydb.) Fernald

Species Arenaria peploides L.

variety Arenaria peploides L. var. diffusa Hornem.

Species Arenaria serpyllifolia L.

Genus Cerastium L.

Species Cerastium alpinum L.

Species Cerastium arcticum Lange

Species Cerastium arvense L.

Species Cerastium beeringianum Cham. & Schlecht.

variety Cerastium beeringianum Cham. & Schlecht. var. beeringianum

Species Cerastium glomeratum Thuill.

Species Cerastium nutans Raf.

Species Cerastium regelii Ostenf.

Species Cerastium fontanum Baumg.

subspecies Cerastium fontanum Baumg. ssp. vulgare (Hartman) Greuter & Burdet

Genus Cherleria L.

Species

Species Cherleria obtusiloba (Rydberg) A.J. Moore & Dillenberger

Genus Cucubalus L.

Species Cucubalus baccifer L.

Genus Dianthus L.

Species Dianthus barbatus L.

Species Dianthus carthusianorum L.

Species Dianthus deltoides L.

Species Dianthus seguieri Vill.

Genus Eremogone Fenzl

Species Eremogone capillaris (Poiret) Fenzl

variety Eremogone capillaris (Poiret) Fenzl var. americana (Maguire) R. L. Hartman & Rabeler

variety Eremogone capillaris (Poiret) Fenzl var. capillaris

Species Eremogone congesta (Nuttall) Ikonnikov

variety Eremogone congesta (Nuttall) Ikonnikov var. lithophila (Rydberg) Dorn

Genus Gypsophila L.

Species Gypsophila paniculata L.

Genus Holosteum L.

Species Holosteum umbellatum L.

Genus Honckenya Ehrh.

Species Honckenya peploides (L.) Ehrh.

subspecies Honckenya peploides (L.) Ehrh. ssp. diffusa (Hornemann) Hultén

variety Honckenya peploides (L.) Ehrh. var. major (Hook.) Abrams

Genus Lychnis L.

Species Lychnis affinis J. Vahl ex Fr.

Species Lychnis alba Mill.

Species Lychnis alpina L.

Species Lychnis flos-cuculi L.

Species Lychnis furcata (Raf.) Fernald

Species Lychnis pudica B. Boivin

Species Lychnis × loveae B. Boivin

Species Lychnis apetala L.

subspecies Lychnis apetala L. ssp. attenuata (Farr) Maguire

Genus Melandrium Röhl.

Species Melandrium apetalum (L.) Fenzl

Species Melandrium rubrum (Weigel) Garcke

Genus Minuartia L.

Species Minuartia arctica (Steven ex Ser.) Graebn.

Species Minuartia austromontana Wolf & Packer

Species Minuartia dawsonensis (Britton) House

Species Minuartia macrocarpa (Pursh) Ostenf.

Species Minuartia nuttallii (Pax) Briq.

Species Minuartia obtusiloba (Rydb.) House

Species Minuartia rossii (R. Br. ex Richardson) Graebn.

Species Minuartia rubella (Wahlenb.) Hiern

Genus Moehringia L.

Species Moehringia lateriflora (L.) Fenzl

Species Moehringia trinervia (L.) Clairv.

Genus Myosoton Moench

Species Myosoton aquaticum (L.) Moench

Genus Paronychia Mill.

Species Paronychia sessiliflora Nutt.

Genus Sabulina Reichenbach

Species Sabulina austromontana (S. J. Wolf & J. G. Packer) Dillenberger & Kadereit

Species Sabulina dawsonensis (Britton) Rydberg

Species Sabulina elegans (Chamisso & Schlechtendal) Dillenberger & Kadereit

Species Sabulina rubella (Wahlenberg) Dillenberger & Kadereit

Species Sabulina nuttallii (Pax) Dillenberger & Kadereit

variety Sabulina nuttallii (Pax) Dillenberger & Kadereit var. nuttallii

Genus Sagina L.

Species Sagina procumbens L.

Species Sagina saginoides (L.) H. Karst.

Genus Saponaria L.

Species Saponaria officinalis L.

Genus Scleranthus L.

Species Scleranthus annuus L.

Genus Silene L.

Species Silene chalcedonica (L.) E. H. L. Krause

Species Silene csereii Baumgarten

Species Silene cucubalus Wibel

Species Silene douglasii Hooker

Species Silene drummondii Hook.

Species Silene hitchguirei Bocquet

Species Silene latifolia Poir.

subspecies Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet

Species Silene menziesii Hook.

Species Silene noctiflora L.

Species Silene nutans L.

Species Silene parryi (S. Wats.) C. L. Hitchc. & Maguire

Species Silene pratensis (Raf.) Gren. & Godr.

Species Silene sorensenis (B. Boivin) Bocquet

Species Silene taimyrensis (Tolm.) Bocquet

Species Silene uralensis (Rupr.) Bocquet

subspecies Silene uralensis (Rupr.) Bocquet ssp. attenuata (Farr) McNeill

subspecies Silene uralensis (Rupr.) Bocquet ssp. uralensis

Species Silene vulgaris (Moench) Garcke

Species Silene acaulis (L.) Jacq.

subspecies Silene acaulis (L.) Jacq. ssp. acaulis

variety Silene acaulis (L.) Jacq. var. exscapa (All.) DC. & Lam.

variety Silene acaulis (L.) Jacq. var. subacaulescens (F. N. Williams) Fernald & H. St. John

Species Silene repens Patrin ex Pers.

subspecies Silene repens Patrin ex Pers. ssp. purpurata (Greene) C. L. Hitchc. & Maguire

Genus Spergula L.

Species Spergula arvensis L.

Species Spergula morisonii Boreau

Genus Spergularia (Pers.) J. Presl & C. Presl

Species Spergularia canadensis (Pers.) G. Don

Species Spergularia marina (L.) Griseb.

Species Spergularia rubra (L.) J. Presl & C. Presl

Genus Stellaria L.

Species Stellaria borealis Bigelow

subspecies Stellaria borealis Bigelow ssp. borealis

Species Stellaria calycantha (Ledeb.) Bong.

variety Stellaria calycantha (Ledeb.) Bong. var. latifolia B. Boivin

Species Stellaria crassifolia Ehrh.

Species Stellaria edwardsii R. Br.

Species Stellaria graminea L.

Species Stellaria holostea L.

Species Stellaria humifusa Rottb.

Species Stellaria laeta Richardson

Species Stellaria longifolia Muhl. ex Willd.

Species Stellaria longipes Goldie

subspecies Stellaria longipes Goldie ssp. longipes

variety Stellaria longipes Goldie var. edwardsii (R. Br.) A. Gray

variety Stellaria longipes Goldie var. longipes

Species Stellaria media (L.) Vill.

Species Stellaria monantha Hultén

Species Stellaria nemorum L.

Species Stellaria subvestita Greene

Genus Viscaria Bernh.

Species Viscaria vulgaris Bernh.

Genus Wilhelmsia Rchb.

Species Wilhelmsia physodes (Fisch. ex Ser.) McNeill

Family Droseraceae

Genus Drosera L.

Species Drosera anglica Huds.

Species Drosera binata Labill.

Species Drosera brevifolia Pursh

Species Drosera gigantea Lindl.

Species Drosera intermedia Hayne

Species Drosera linearis Goldie

Species Drosera modesta Diels

Species Drosera rotundifolia L.

Species Drosera stenopetala Hook. f.

Family Frankeniaceae

Genus Frankenia L.

Species Frankenia jamesii Torr. ex A. Gray

Species Frankenia pulverulenta L.

Family Molluginaceae

Genus Mollugo L.

Species Mollugo cerviana (L.) Ser.

Species Mollugo verticillata L.

Family Montiaceae

Genus Naiocrene (Torr. & A. Gray) Rydb.

Genus Calandrinia Kunth

Species Calandrinia ciliata (Ruiz & Pav.) DC.

variety Calandrinia ciliata (Ruiz & Pav.) DC. var. menziesii (Hook.) J. F. Macbr.

Genus Calyptridium Nutt.

Species Calyptridium monandrum Nutt.

Species Calyptridium parryi A. Gray

Species Calyptridium quadripetalum S. Wats.

Genus Claytonia L.

Species Claytonia acutifolia Pall. ex Willd.

Species Claytonia arenicola L. F. Hend.

Species Claytonia chamissonis Eschsch. ex Cham.

Species Claytonia cordifolia S. Wats.

Species Claytonia exigua Douglas ex Torr. & A. Gray

Species Claytonia joanneana Roem. & Schult.

Species Claytonia lanceolata Pursh

variety Claytonia lanceolata Pursh var. multiscapa C. L. Hitchc.

Species Claytonia megarhiza (A. Gray) Parry ex S. Wats.

variety Claytonia megarhiza (A. Gray) Parry ex S. Wats. var. megarhiza

variety Claytonia megarhiza (A. Gray) Parry ex S. Wats. var. nivalis (English) C. L. Hitchc.

Species Claytonia perfoliata Donn ex Willd.

subspecies Claytonia perfoliata Donn ex Willd. ssp. intermontana John M. Miller & K. L. Chambers

subspecies Claytonia perfoliata Donn ex Willd. ssp. mexicana (Rydb.) John M. Miller & K. L. Chambers

subspecies Claytonia perfoliata Donn ex Willd. ssp. perfoliata

Species Claytonia sarmentosa C. A. Mey.

Species Claytonia sibirica L.

variety Claytonia sibirica L. var. sibirica

Species Claytonia tuberosa Pall. ex Willd.

subspecies Claytonia tuberosa Pall. ex Willd. ssp. tuberosa

Species Claytonia virginica L.

Species Claytonia caroliniana Michx.

variety Claytonia caroliniana Michx. var. lanceolata (Pursh) S. Wats.

Species Claytonia parviflora Douglas ex Hook.

subspecies Claytonia parviflora Douglas ex Hook. ssp. parviflora

subspecies Claytonia parviflora Douglas ex Hook. ssp. viridis (Davidson) John M. Miller & K. L. Chambers

Species Claytonia rubra (Howell) Tidestr.

subspecies Claytonia rubra (Howell) Tidestr. ssp. depressa (A. Gray) John M. Miller & K. L. Chambers

subspecies Claytonia rubra (Howell) Tidestr. ssp. rubra

Genus Lewisia Pursh

Species Lewisia brachycalyx Engelm. ex A. Gray

Species Lewisia columbiana (Howell ex A. Gray) B. L. Rob.

variety Lewisia columbiana (Howell ex A. Gray) B. L. Rob. var. columbiana

Species Lewisia nevadensis (A. Gray) B. L. Rob.

Species Lewisia pygmaea (A. Gray) B. L. Rob.

Species Lewisia triphylla (S. Wats.) B. L. Rob.

Genus Montia L.

Species Montia cordifolia (S. Wats.) Pax & K. Hoffm.

Species Montia fontana L.

Species Montia sibirica (L.) Howell

Species Montia parvifolia (Moc. ex DC.) Greene

variety Montia parvifolia (Moc. ex DC.) Greene var. parvifolia

Genus Spraguea Torr.

Species Spraguea multiceps Howell

Species Spraguea umbellata Torr.

Family Nyctaginaceae

Genus Abronia Juss.

Species Abronia acutalata Standl.

Species Abronia elliptica A. Nelson

Species Abronia fallax Heimerl ex Rydb.

Species Abronia fragrans Nutt. ex Hook.

Species Abronia latifolia Eschsch.

Species Abronia maritima Nutt. ex S. Wats.

Species Abronia mellifera Douglas ex Hook.

Species Abronia micrantha Torr.

Species Abronia nana S. Wats.

Species Abronia villosa S. Wats.

Genus Allionia L.

Species Allionia hirsuta Pursh

Species Allionia incarnata L.

Species Allionia nyctaginea Michx.

Species Allionia pilosa (Nutt.) Rydb.

Genus Boerhavia L.

Species Boerhavia coccinea Mill.

Species Boerhavia intermedia M.E. Jones

Species Boerhavia repens L.

Genus Commicarpus Standl.

Species Commicarpus plumbagineus (Cav.) Standl.

Species Commicarpus scandens (L.) Standl.

Genus Mirabilis L.

Species Mirabilis hirsuta (Pursh) MacMill.

variety Mirabilis hirsuta (Pursh) MacMill. var. hirsuta

variety Mirabilis hirsuta (Pursh) MacMill. var. linearis (Pursh) B. Boivin

Species Mirabilis linearis (Pursh) Heimerl

variety Mirabilis linearis (Pursh) Heimerl var. linearis

Species Mirabilis macfarlanei Constance & Rollins

Species Mirabilis multiflora (Torr.) A. Gray

Species Mirabilis nyctaginea (Michx.) MacMill.

Species Mirabilis oxybaphoides (A. Gray) A. Gray

Species Mirabilis laevis (Benth.) Curran

variety Mirabilis laevis (Benth.) Curran var. crassifolia (Choisy) Spellenb.

variety Mirabilis laevis (Benth.) Curran var. villosa (Kellogg) Spellenb.

Genus Oxybaphus L'Hér. ex Willd.

Species Oxybaphus hirsutus (Pursh) Sweet

Species Oxybaphus nyctagineus (Michx.) Sweet

Family Phytolaccaceae

Genus Hilleria Vell.

Species Hilleria latifolia (Lam.) H. Walter

Genus Phytolacca L.

Species Phytolacca americana L.

Species Phytolacca bogotensis Kunth

Family Plumbaginaceae

Genus Armeria Willd.

Species Armeria pseudarmeria (Murr.) Mansf.

Species Armeria maritima (Mill.) Willd.

subspecies Armeria maritima (Mill.) Willd. ssp. interior (Raup) A. E. Porsild

variety Armeria maritima (Mill.) Willd. var. californica (Boiss.) G. H. M. Lawr.

variety Armeria maritima (Mill.) Willd. var. purpurea (Koch) G. H. M. Lawr.

subspecies Armeria maritima (Miller) Willdenow ssp. sibirica (Turczaninow ex Boissier) Nyman

Genus Limonium Mill.

Species Limonium aureum (L.) Hill

Species Limonium carolinianum (Walter) Britton

Species Limonium flexuosum (L.) Kuntze

Species Limonium nashii Small

Genus Statice L.

Species Statice arctica (Cham.) S. F. Blake

Species Statice armeria L.

Species Statice limonium L.

Species Statice suffruticosa L.

Family Polygonaceae

Genus Bistorta (L.) Scop.

Species Bistorta bistortoides (Pursh) Small

Species Bistorta plumosa (Small) Greene

Species Bistorta vivipara (L.) Delarbre

Genus Eriogonum Michx.

Species Eriogonum androsaceum Benth.

Species Eriogonum deflexum Torr.

Species Eriogonum flavum Nutt.

Species Eriogonum heracleoides Nuttall

Species Eriogonum inflatum Torr. & Frém.

Species Eriogonum niveum Douglas ex Benth.

Species Eriogonum ovalifolium Nutt.

variety Eriogonum ovalifolium Nutt. var. ovalifolium

Species Eriogonum pauciflorum Pursh

Species Eriogonum caespitosum Nutt.

variety Eriogonum caespitosum Nutt. var. douglasii (Benth.) M. E. Jones

Species Eriogonum heermannii Durand & Hilg.

variety Eriogonum heermannii Durand & Hilg. var. argense (M. E. Jones) Munz

Species Eriogonum umbellatum Torr.

variety Eriogonum umbellatum Torr. var. majus Hooker

variety Eriogonum umbellatum Torr. var. subalpinum (Greene) M. E. Jones

Species Eriogonum wrightii Torr. ex Benth.

variety Eriogonum wrightii Torr. ex Benth. var. wrightii

Genus Fagopyrum Miller

Species Fagopyrum esculentum Moench

Genus Fallopia Adans.

Species Fallopia cilinodis (Michaux) Holub

Species Fallopia convolvulus (L.) Á. Löve

Genus Muehlenbeckia Meisn.

Species Muehlenbeckia platyclada (F. Muell.) Meisn.

Genus Oxyria Hill

Species Oxyria digyna (L.) Hill

Genus Persicaria Mill.

Species Persicaria lapathifolia (L.) Delarbre

Species Persicaria maculosa Gray

Species Persicaria punctata (Elliott) Small

Species Persicaria sagittata (Linnaeus) H. Gross

Species Persicaria amphibia (L.) Delarbre

variety Persicaria amphibia (L.) Delarbre var. emersa (Michaux) J. C. Hickman

variety Persicaria amphibia (L.) Delarbre var. stipulacea (N. Coleman) H. Hara

Genus Polygonella Michx.

Species Polygonella articulata (L.) Meisner

Genus Polygonum L.

Species Polygonum achoreum S. F. Blake

Species Polygonum arenastrum Boreau

Species Polygonum austiniae Greene

Species Polygonum bistortoides Pursh

Species Polygonum buxiforme Small

Species Polygonum cilinode Michx.

Species Polygonum coccineum Muhl.

Species Polygonum convolvulus L.

Species Polygonum cuspidatum Siebold & Zucc.

Species Polygonum douglasii Greene

subspecies Polygonum douglasii Greene ssp. spergulariiforme (Meisner ex Small) J. C. Hickman

Species Polygonum engelmannii Greene

Species Polygonum erectum L.

Species Polygonum hydropiper L.

Species Polygonum lapathifolium L.

variety Polygonum lapathifolium L. var. salicifolium Sibth.

Species Polygonum mite Schrank

Species Polygonum monspeliense Thiéb.-Bern. ex Pers.

Species Polygonum pensylvanicum L.

Species Polygonum persicaria L.

Species Polygonum ramosissimum Michx.

Species Polygonum sagittatum L.

Species Polygonum viviparum L.

Species Polygonum watsonii Small

Species Polygonum alaskanum (Small) W. Wight ex Hultén

variety Polygonum alaskanum (Small) W. Wight ex Hultén var. glabrescens Hultén

Species Polygonum amphibium L.

variety Polygonum amphibium L. var. stipulaceum N. Coleman

Species Polygonum aviculare L.

subspecies Polygonum aviculare L. ssp. aviculare

subspecies Polygonum aviculare L. ssp. depressum (Meisn.) Arcang.

Species Polygonum caurianum B. L. Rob.

subspecies Polygonum caurianum B. L. Rob. ssp. caurianum

Species Polygonum polygaloides Meisn.

subspecies Polygonum polygaloides Meisn. ssp. confertiflorum (Nutt. ex Piper) J. C. Hickman

Species Polygonum sawatchense Small

subspecies Polygonum sawatchense Small subsp. sawatchense

Genus Reynoutria Houtt.

Species Reynoutria japonica Houtt.

variety Reynoutria japonica Houtt. var. japonica

Genus Rumex L.

Species Rumex acetosa L.

subspecies Rumex acetosa L. ssp. alpestris (Scop.) Á. Löve

Species Rumex acetosella L.

form Rumex acetosella L. forma integrifolius Beck

Species Rumex arcticus Trautv.

Species Rumex britannica L.

Species Rumex confertus Willd.

Species Rumex crispus L.

Species Rumex dentatus L.

Species Rumex fueginus Philippi

Species Rumex hymenosepalus Torr.

Species Rumex lapponicus (Hiitonen) Czernov

Species Rumex longifolius DC.

Species Rumex mexicanus Meisn.

Species Rumex occidentalis S. Wats.

variety Rumex occidentalis S. Wats. var. fenestratus (Greene) Lepage

Species Rumex sibiricus Hultén

Species Rumex stenophyllus Ledeb.

Species Rumex triangulivalvis (Danser) Rech. f.

Species Rumex venosus Pursh

Species Rumex maritimus L.

variety Rumex maritimus L. var. fueginus (Phil.) Dusén

Species Rumex salicifolius Weinm.

subspecies Rumex salicifolius Weinm. ssp. mexicanus (Meisn.) E. Murray

subspecies Rumex salicifolius Weinm. ssp. triangulivalvis Danser

variety Rumex salicifolius Weinm. var. mexicanus (Meisn.) C. L. Hitchc.

Family Portulacaceae

Genus Portulaca L.

Species Portulaca oleracea L.

Family Sarcobataceae

Genus Sarcobatus Nees

Species Sarcobatus vermiculatus (Hook.) Torr.

Family Simmondsiaceae

Genus Simmondsia Nutt.

Species Simmondsia chinensis (Link) C. K. Schneid.

Family Tamaricaceae

Genus Myricaria Desv.

Species Myricaria dahurica DC.

Species Myricaria longifolia Ehrenb.

Genus Tamarix L.

Species Tamarix chinensis Lour.

Species Tamarix elongata Ledeb.

Species Tamarix gallica L.

Species Tamarix laxa Willd.

Species Tamarix pentandra Pall.

Species Tamarix ramosissima Ledeb.

Order Celastrales

Family Celastraceae

Subfamily Parnassioideae

Genus Parnassia L.

Species Parnassia asarifolia Vent.

Species Parnassia caroliniana Michx.

Species Parnassia fimbriata K. D. Koenig

variety Parnassia fimbriata K. D. Koenig var. fimbriata

Species Parnassia glauca Raf.

Species Parnassia kotzebuei Cham. & Schltdl. ex Spreng.

Species Parnassia montanensis Fern. & Rydb.

Species Parnassia palustris L.

subspecies Parnassia palustris L. ssp. neogaea (Fern.) Hultén

variety Parnassia palustris L. var. montanensis C. L. Hitchc.

variety Parnassia palustris L. var. neogaea Fernald

variety Parnassia palustris L. var. tenuis Wahlenb.

Species Parnassia parviflora DC.

Genus Canotia Torr.

Species Canotia holacantha Torr.

Genus Celastrus L.

Species Celastrus scandens L.

Genus Euonymus L.

Species Euonymus americanus L.

Species Euonymus atropurpureus Jacq.

Species Euonymus bungeanus Maxim.

Species Euonymus europaeus L.

Species Euonymus lanceifolius Loes.

Species Euonymus obovatus Nutt.

Species Euonymus occidentalis Nutt. ex Torr.

Species Euonymus planipes Koehne

Species Euonymus radicans (Miq.) Siebold ex Hand.-Mazz.

Species Euonymus verrucosus Scop.

Species Euonymus yedoensis Koehne

Genus Pachystima Endl.

Species Pachystima myrsinites (Pursh) Raf.

Genus Paxistima Raf.

Species Paxistima myrsinites (Pursh) Raf.

Order Cornales

Family Cornaceae

Genus Cornus L.

Species Cornus alba L.

Species Cornus alternifolia L. f.

Species Cornus amomum Mill.

Species Cornus asperifolia Michx.

Species Cornus bretschneideri L. Henry

Species Cornus canadensis L.

Species Cornus canadensis L. × Cornus suecica L.

Species Cornus controversa Hemsl.

Species Cornus kousa F. Buerger ex Miq.

Species Cornus mas L.

Species Cornus nuttallii Audubon

Species Cornus obliqua Raf.

Species Cornus occidentalis (Torrey & A. Gray) Coville

Species Cornus officinalis Siebold & Zucc.

Species Cornus racemosa Lam.

Species Cornus rugosa Lam.

Species Cornus sanguinea L.

Species Cornus sericea L.

Species Cornus suecica L.

Species Cornus unalaschkensis Ledeb.

Species Cornus stolonifera Michx.

form Cornus stolonifera Michx. forma azurea Lepage

form Cornus stolonifera Michx. forma flaviramea (Späth ex Koehne) Rickett

Family Hydrangeaceae

Genus Deutzia Thunb.

Species Deutzia gracilis Siebold & Zucc.

Species Deutzia grandiflora Bunge

Species Deutzia hypoleuca Maxim.

Genus Hydrangea L.

Species Hydrangea arborescens L.

Species Hydrangea cinerea Small

Species Hydrangea paniculata Siebold

Species Hydrangea quercifolia W. Bartram

Species Hydrangea radiata Walter

Genus Jamesia Torr. & A. Gray

Species Jamesia americana Torr. & A. Gray

Genus Philadelphus L.

Species Philadelphus californicus Benth.

Species Philadelphus coronarius L.

Species Philadelphus gordonianus Lindl.

Species Philadelphus grandiflorus Willd.

Species Philadelphus hirsutus Nutt.

Species Philadelphus inodorus L.

Species Philadelphus laxus Schrad. ex DC.

Species Philadelphus lemoinei Hort. ex Wien.

Species Philadelphus microphyllus A. Gray

Species Philadelphus sericanthus Koehne

Species Philadelphus subcanus Koehne

Species Philadelphus tomentosus Wall. ex G. Don

Genus Whipplea Torr.

Species Whipplea modesta Torr.

Family Loasaceae

Genus Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A. Gray

variety Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A. Gray var. parviflora C. L. Hitchc.

Genus Caiophora C. Presl

Species Caiophora chuquitensis (Meyen) Urb. & Gilg

Genus Eucnide Zuccarini

Species Eucnide urens Parry

Genus Mentzelia L.

Species Mentzelia albicaulis (Douglas ex Hook.) Douglas ex Torr. & A. Gray

Species Mentzelia argillosa J. Darl.

Species Mentzelia californica H. J. Thomps. & J. Roberts

Species Mentzelia decapetala (Pursh) Urb. & Gilg

Species Mentzelia dispersa S. Wats.

Species Mentzelia humilis J. Darl.

Species Mentzelia lindleyi Torr. & A. Gray

Species Mentzelia multiflora (Nutt.) A. Gray

Species Mentzelia nitens Greene

Species Mentzelia nuda (Pursh) Torr. & A. Gray

Species Mentzelia oligosperma Nutt.

Species Mentzelia stricta (Osterh.) Stevens ex Jeffs & Little

Species Mentzelia thompsonii Glad

Genus Petalonyx A. Gray

Species Petalonyx thurberi A. Gray

Family Nyssaceae

Genus Nyssa L.

Species Nyssa aquatica L.

Species Nyssa sylvatica Marshall

variety Nyssa sylvatica Marshall var. caroliniana (Poir.) Fernald

Order Crossosomatales

Family Crossosomataceae

Genus Crossosoma Nutt.

Species Crossosoma bigelovii S. Wats.

Genus Glossopetalon A. Gray

Species Glossopetalon spinescens A. Gray

Species Glossopetalon stipuliferum H. St. John

Family Staphyleaceae

Genus Staphylea L.

Species Staphylea pinnata L.

Species Staphylea trifolia L.

Order Cucurbitales

Family Cucurbitaceae

Genus Bryonia L.

Species Bryonia cretica L.

subspecies Bryonia cretica L. ssp. dioica (Jacq.) Tutin

Genus Coccinia Wight & Arn.

Species Coccinia trilobata C. Jeffrey

Genus Cucumis L.

Species Cucumis melo L.

Genus Cucurbita L.

Species Cucurbita foetidissima Kunth

Species Cucurbita palmata S. Watson

Species Cucurbita pepo L.

Genus Echinocystis Torr. & A. Gray

Species Echinocystis fabacea Naudin

Species Echinocystis lobata (Michx.) Torr. & A. Gray

Species Echinocystis macrocarpa Greene

Genus Lagenaria Ser.

Species Lagenaria abyssinica (Hook. f.) C. Jeffrey

Genus Marah Kellogg

Species Marah gilensis (Greene) Greene

Species Marah macrocarpus Greene

Species Marah oregana (Torrey & S. Watson) Howell

Genus Zehneria Endl.

Species Zehneria scabra (L. f.) Sond.

Family Datiscaceae

Genus Datisca L.

Species Datisca glomerata (C. Presl) Baill.

Order Dipsacales

Family Caprifoliaceae

Subfamily Caprifolioideae

Genus Lonicera L.

Species Lonicera altmannii Regel & Schmalh.

Species Lonicera caerulea L.

variety Lonicera caerulea L. var. altaica Pall.

variety Lonicera caerulea L. var. villosa (Michx.) Torr. & A. Gray

Species Lonicera canadensis Bartram ex Marshall

Species Lonicera chaetocarpa (Batalin ex Rehder) Rehder

Species Lonicera chamissoi Bunge ex P. Kir.

Species Lonicera chrysantha Turcz. ex Ledeb.

Species Lonicera ciliosa (Pursh) Poiret ex DC.

Species Lonicera conjugialis Kellogg

Species Lonicera deflexicalyx Batalin

Species Lonicera demissa Rehder

Species Lonicera ferdinandii Franch.

Species Lonicera fragrantissima Lindl. & Paxton

Species Lonicera glaucescens Rydb.

Species Lonicera gracilipes Miq.

Species Lonicera gynochlamydea Hemsl.

Species Lonicera hispida Pall. ex Roem. & Schult.

Species Lonicera hispidula (Lindley) Douglas ex Torrey & A. Gray

Species Lonicera koehneana Rehder

Species Lonicera korolkowii Stapf

Species Lonicera lanceolata Wall.

Species Lonicera ledebourii Eschsch.

Species Lonicera maackii (Rupr.) Maxim.

variety Lonicera maackii (Rupr.) Maxim. var. erubescens Rehder

form Lonicera maackii (Rupr.) Maxim. forma podocarpa Franch. ex Rehder

Species Lonicera maximowiczii (Rupr.) Regel

variety Lonicera maximowiczii (Rupr.) Regel var. sachalinensis Fr. Schmidt

Species Lonicera microphylla Willd. ex Roem. & Schult.

Species Lonicera minutifolia Kitam.

Species Lonicera morrowii A. Gray

Species Lonicera myrtillus Hook. f. & Thomson

Species Lonicera nervosa Maxim.

Species Lonicera nigra L.

Species Lonicera obovata Royle ex Hook.f. & Thomson

Species Lonicera orientalis Lam.

Species Lonicera ovalis Batalin

Species Lonicera pileata Oliv.

Species Lonicera praeflorens Batalin

Species Lonicera prostrata Rehder

Species Lonicera quinquelocularis Hard.

Species Lonicera ruprechtiana Regel

variety Lonicera ruprechtiana Regel var. calvescens Rehder

Species Lonicera tatarica L.

Species Lonicera tatsienensis Franch.

Species Lonicera tenuipes Nakai

Species Lonicera thibetica Bureau & Franch.

Species Lonicera tragophylla Hemsl.

Species Lonicera trichosantha Bureau & Franch.

Species Lonicera utahensis S. Wats.

Species Lonicera villosa (Michx.) Roem. & Schult.

Species Lonicera webbiana Wall. ex DC.

Species Lonicera xerocalyx Diels

Species Lonicera xylosteoides Tausch

Species Lonicera xylosteum L.

Species Lonicera × minutiflora Zabel

Species Lonicera × notha Zabel

Species Lonicera ×bella Zabel

Species Lonicera dioica L.

variety Lonicera dioica L. var. glaucescens (Rydb.) Butters

Species Lonicera rupicola Hook. f. & Thomson

variety Lonicera rupicola Hook. f. & Thomson var. syringantha (Maxim.) Zabel

Genus Symphoricarpos Duhamel

Species Symphoricarpos albus (L.) S. F. Blake

variety Symphoricarpos albus (L.) S. F. Blake var. pauciflorus (J. W. Robbins) S. F. Blake

Species Symphoricarpos occidentalis Hook.

Species Symphoricarpos oreophilus A. Gray

Species Symphoricarpos mollis Nuttall

variety Symphoricarpos mollis Nuttall var. hesperius (G. N. Jones) Cronquist

Subfamily Dipsacoideae

Genus Cephalaria Schrad. ex Schult. & Schult. f.

Species Cephalaria syriaca Schrad.

Genus Dipsacus L.

Species Dipsacus asper Wall. ex C. B. Clarke

Species Dipsacus azureus Schrenk

Species Dipsacus pinnatifidus Steud. ex A. Rich.

Species Dipsacus sylvestris Huds.

Genus Knautia L.

Species Knautia arvensis (L.) Coult.

Genus Pterocephalus Adans.

Species Pterocephalus afghanicus Boiss.

Genus Scabiosa L.

Species Scabiosa columbaria L.

Species Scabiosa graminifolia L.

Species Scabiosa micrantha Desf.

Species Scabiosa succisa L.

Genus Succisa Haller

Species Succisa pratensis Moench

Subfamily Linnaeoideae

Genus Kolkwitzia Graebn.

Species Kolkwitzia amabilis Graebn.

Genus Linnaea Gronov

Species Linnaea borealis L.

subspecies Linnaea borealis L. ssp. americana (Forbes) Hultén

variety Linnaea borealis L. var. americana (Forbes) Rehder

Subfamily Morinoideae

Genus Morina L.

Species Morina kokanica Regel

Subfamily Valerianoideae

Genus Centranthus DC.

Species Centranthus ruber (L.) DC.

Genus Patrinia Juss.

Species Patrinia sibirica (L.) Jussieu

Genus Plectritis (Lindl.) DC.

Species Plectritis ciliosa (Greene) Jeps.

Species Plectritis congesta (Lindl.) DC.

Species Plectritis macrocera Torr. & A. Gray

Genus Valeriana L.

Species Valeriana arizonica A. Gray

Species Valeriana capitata Pall. ex Link

Species Valeriana columbiana Piper

Species Valeriana occidentalis A. Heller

Species Valeriana officinalis L.

Species Valeriana pratensis Dierb. ex Walter

Species Valeriana sambucifolia Mikan f.

subspecies Valeriana sambucifolia Mikan f. ssp. salina Nordh.

Species Valeriana scouleri Rydb.

Species Valeriana septentrionalis Rydb.

Species Valeriana sitchensis Bong.

subspecies Valeriana sitchensis Bong. ssp. sitchensis

Species Valeriana turczaninovii Grubov

Species Valeriana uliginosa (Torr. & A. Gray) Rydb. ex Britton

Species Valeriana acutiloba Rydb.

variety Valeriana acutiloba Rydb. var. pubicarpa (Rydb.) Cronquist

Species Valeriana dioica L.

subspecies Valeriana dioica L. ssp. sylvatica (S. Watson) F. G. Mey.

Species Valeriana edulis Nutt. ex Torr. & A. Gray

variety Valeriana edulis Nutt. ex Torr. & A. Gray var. edulis

Genus Valerianella Mill.

Species Valerianella anomala A. Gray

Species Valerianella congesta Lindl.

Species Valerianella dactylophylla Boiss. & Hohen.

Species Valerianella locusta (L.) Betcke

Species Valerianella olitoria (L.) Pollich

Species Valerianella woodsiana (Torr. & A. Gray) Walp.

Species Valerianella radiata Dufr.

variety Valerianella radiata Dufr. var. radiata

Species Valerianella stenocarpa Krok

variety Valerianella stenocarpa Krok var. parviflora Dyal

Family Diervillaceae

Genus Diervilla Mill.

Species Diervilla lonicera Miller

Species Diervilla rivularis Gatt.

Species Diervilla sessilifolia Buckley

Family Viburnaceae

Genus Adoxa L.

Species Adoxa moschatellina L.

Genus Sambucus L.

Species Sambucus caerulea Raf.

Species Sambucus ebulus L.

Species Sambucus melanocarpa A. Gray

Species Sambucus nigra L.

subspecies Sambucus nigra L. ssp. cerulea (Raf.) Bolli

Species Sambucus racemosa L.

subspecies Sambucus racemosa L. subsp. pubens (Michaux) Hultén

variety Sambucus racemosa L. var. leucocarpa (Torr. & A. Gray) Cronquist

variety Sambucus racemosa L. var. melanocarpa (A. Gray) McMinn

variety Sambucus racemosa L. var. pubens (Michx.) Koehne

variety Sambucus racemosa L. var. racemosa

Genus Viburnum L.

Species Viburnum cassinoides L.

Species Viburnum edule (Michx.) Raf.

Species Viburnum lantana L.

Species Viburnum opulus L.

subspecies Viburnum opulus L. ssp. trilobum (Marshall) R. T. Clausen

variety Viburnum opulus L. var. opulus

Species Viburnum pauciflorum Raf.

Species Viburnum rafinesquianum Schultes

Order Ericales

Family Balsaminaceae

Genus Impatiens L.

Species Impatiens balsamina L.

Species Impatiens biflora Willd.

Species Impatiens capensis Meerb.

form Impatiens capensis Meerb. forma capensis

form Impatiens capensis Meerb. forma immaculata Fernald & B. G. Schub.

Species Impatiens glandulifera Royle

Species Impatiens meruensis Gilg

Species Impatiens noli-tangere L.

Species Impatiens pallida Nutt.

Species Impatiens parviflora DC.

Species Impatiens rubromaculata Warb.

Family Clethraceae

Genus Clethra L.

Species Clethra acuminata Michx.

Species Clethra alnifolia L.

Species Clethra canescens Herb. Reinw. ex Blume

Family Cyrillaceae

Genus Cyrilla Garden ex L.

Species Cyrilla racemiflora L.

Family Diapensiaceae

Genus Diapensia L.

Species Diapensia lapponica L.

Species Diapensia obovata (F. Schmidt) Nakai

Genus Galax Sims

Species Galax aphylla L.

Genus Pyxidanthera Michx.

Species Pyxidanthera barbulata Michx.

Family Ebenaceae

Genus Diospyros L.

Species Diospyros hillebrandii Fosberg

Species Diospyros virginiana L.

Genus Euclea L.

Species Euclea divinorum Hiern

Family Ericaceae

Genus Allotropa Torr. & A. Gray

Species Allotropa virgata Torr. & A. Gray

Genus Andromeda L.

Species

Species Andromeda glaucophylla Link

Species Andromeda polifolia L.

subspecies Andromeda polifolia L. ssp. polifolia

variety Andromeda polifolia L. var. polifolia

variety Andromeda polifoliaL. var.

Genus Arbutus L.

Species Arbutus menziesii Pursh

Genus Arctostaphylos Adans.

Species Arctostaphylos columbiana Piper

Species Arctostaphylos alpina (L.) Spreng.

variety Arctostaphylos alpina (L.) Spreng. var. rubra (Rehder & E. H. Wilson) Bean

Species Arctostaphylos uva-ursi (L.) Spreng.

subspecies Arctostaphylos uva-ursi (L.) Spreng. ssp. adenotricha (Fern. & J. F. Macbr.) Calder & Roy L. Taylor

subspecies Arctostaphylos uva-ursi (L.) Spreng. ssp. longipilosa Packer & Denford

subspecies Arctostaphylos uva-ursi (L.) Spreng. ssp. stipitata Packer & Denford

subspecies Arctostaphylos uva-ursi (L.) Spreng. ssp. uva-ursi

Genus Arctous (A. Gray) Nied.

Species Arctous rubra (Rehder & E.H. Wilson) Nakai

Genus Calluna Salisb.

Species Calluna vulgaris (L.) Hull

Genus Cassiope D. Don

Species Cassiope lycopodioides (Pall.) D. Don

Species Cassiope mertensiana (Bong.) G. Don

Species Cassiope tetragona (L.) D. Don

subspecies Cassiope tetragona (L.) D. Don ssp. saximontana (Small) A. E. Porsild

subspecies Cassiope tetragona (L.) D. Don ssp. tetragona

Genus Chamaedaphne Moench

Species Chamaedaphne calyculata (L.) Moench

Genus Chimaphila Pursh

Species Chimaphila menziesii (R. Br.) Spreng.

Species Chimaphila umbellata (L.) W. P. C. Barton

subspecies Chimaphila umbellata (L.) W. P. C. Barton ssp. occidentalis (Rydb.) Hultén

variety Chimaphila umbellata (L.) W. P. C. Barton var. cisatlantica S. F. Blake

variety Chimaphila umbellata (L.) W. P. C. Barton var. occidentalis (Rydb.) S. F. Blake

Genus Cladothamnus Bong.

Species Cladothamnus pyroliflorus Bong.

Genus Corema D. Don

Species Corema conradii (Torr.) Torr. ex Loudon

Genus Empetrum L.

Species Empetrum eamesii Fernald & Wiegand

Species Empetrum hermaphroditum Hagerup

Species Empetrum nigrum L.

subspecies Empetrum nigrum L. ssp. hermaphroditum (Hagerup) Böcher

variety Empetrum nigrum L. var. hermaphroditum (Hagerup) T. J. Sørensen

variety Empetrum nigrum L. var. purpureum (Raf.) A. DC.

Species Empetrum sibiricum V. N. Vassil.

Genus Gaultheria L.

Species Gaultheria hispidula (L.) Muhl. ex Bigelow

Species Gaultheria humifusa (Graham) Rydb.

Species Gaultheria shallon Pursh

Genus Gaylussacia Kunth

Species Gaylussacia dumosa (Andrews) A. Gray

Species Gaylussacia resinosa (Aiton) Torr. & A. Gray

Genus Kalmia L.

Species Kalmia microphylla (Hook.) A. Heller

subspecies Kalmia microphylla (Hook.) A. Heller ssp. occidentalis (Small) Roy L. Taylor & MacBryde

variety Kalmia microphylla (Hook.) A. Heller var. microphylla

Species Kalmia polifolia Wangenh.

variety Kalmia polifolia Wangenh. var. microphylla (Hook.) Rehder

Species Kalmia angustifolia L.

variety Kalmia angustifolia L. var. angustifolia

Genus Ledum L.

Species Ledum decumbens (Aiton) Lodd. ex Steud.

Species Ledum glandulosum Nutt.

Species Ledum groenlandicum Oeder

Species Ledum palustre L.

subspecies Ledum palustre L. ssp. decumbens (Ait.) Hultén

subspecies Ledum palustre L. ssp. groenlandicum (Oeder) Hultén

variety Ledum palustre L. var. decumbens Aiton

Genus Menziesia Sm.

Species Menziesia ferruginea Sm.

subspecies Menziesia ferruginea Sm. ssp. ferruginea

subspecies Menziesia ferruginea Sm. ssp. glabella (A. Gray) Calder & Roy L. Taylor

Genus Moneses Salisb. ex Gray

Species Moneses uniflora (L.) A. Gray

subspecies Moneses uniflora (L.) A. Gray ssp. reticulata (Nutt.) Calder & Roy L. Taylor

Genus Monotropa L.

Species Monotropa uniflora L.

Genus Orthilia Raf.

Species Orthilia secunda (L.) House

subspecies Orthilia secunda (L.) House ssp. obtusata (Turcz.) Böcher

Genus Oxycoccus Hill

Species Oxycoccus microcarpus Turcz. ex Rupr.

Species Oxycoccus palustris Pers.

Species Oxycoccus quadripetalus Gilib.

Genus Phyllodoce Salisb.

Species Phyllodoce empetriformis (Smith) D. Don

Species Phyllodoce glanduliflora (Hook.) Coville

Species Phyllodoce × intermedia (Hook.) Camp

Genus Pleuricospora A. Gray

Species Pleuricospora fimbriolata A. Gray

Genus Pterospora Nutt.

Species Pterospora andromedea Nutt.

Genus Pyrola L.

Species Pyrola aphylla Sm.

Species Pyrola asarifolia Michx.

subspecies Pyrola asarifolia Michx. ssp. bracteata (Hook.) Haber

variety Pyrola asarifolia Michx. var. incarnata (DC.) Fernald

variety Pyrola asarifolia Michx. var. purpurea (Bunge) Fernald

Species Pyrola chlorantha Sw.

Species Pyrola dentata Sm.

variety Pyrola dentata Sm. var. integra A. Gray

Species Pyrola elliptica Nutt.

Species Pyrola grandiflora Radius

variety Pyrola grandiflora Radius var. canadensis (Andres) A. E. Porsild

Species Pyrola minor L.

Species Pyrola rotundifolia L.

Species Pyrola uliginosa Torr. & A. Gray

Species Pyrola virens Schweigg.

Species Pyrola secunda L.

subspecies Pyrola secunda L. ssp. obtusata (Turcz.) Hultén

Genus Rhododendron L.

Species Rhododendron albiflorum Hook.

Species Rhododendron groenlandicum (Oeder) Kron & Judd

Species Rhododendron neoglandulosum Harmaja

Species Rhododendron tomentosum Harmaja

subspecies Rhododendron tomentosum Harmaja ssp. decumbens (Aiton) Elven & D. F. Murray

Genus Vaccinium L.

Species Vaccinium angustifolium Aiton

Species Vaccinium caespitosum Michx.

Species Vaccinium membranaceum Douglas ex Hook.

Species Vaccinium microcarpum (Turcz. ex Rupr.) Schmalh.

Species Vaccinium myrtilloides Michx.

Species Vaccinium myrtillus L.

Species Vaccinium ovatum Pursh

Species Vaccinium oxycoccus L.

Species Vaccinium oxycoccus L. × Vaccinium microcarpum (Turcz. ex Rupr.) Schmalh.

Species Vaccinium parvifolium Sm.

Species Vaccinium scoparium Leiberg ex Coville

Species Vaccinium vitis-idaea L.

subspecies Vaccinium vitis-idaea L. ssp. minus (Lodd., G. Lodd. & W. Lodd.) Hultén

variety Vaccinium vitis-idaea L. var. minus Lodd.

Family Fouquieriaceae

Genus Fouquieria Kunth

Species Fouquieria splendens Engelm.

Family Polemoniaceae

Genus Leptosiphon Benth.

Genus Collomia Nutt.

Species Collomia linearis Nutt.

Genus Eriastrum Wooton & Standl.

Species Eriastrum diffusum (A. Gray) H. Mason

Genus Gymnosteris Greene

Species Gymnosteris nudicaulis (Hook. & Arn.) Greene

Genus Ipomopsis Michx.

Species Ipomopsis aggregata (Pursh) V. E. Grant

Genus Microsteris Greene

Species Microsteris gracilis (Hooker) Greene

Species Microsteris humilis Greene

Genus Navarettia R. Hedw.

Species Navarretia minima Nutt.

Species Navarretia leucocephala Benth.

subspecies Navarretia leucocephala Benth. ssp. minima (Nutt.) A. G. Day

Genus Phlox L.

Species Phlox alaskensis Jordal

Species Phlox alyssifolia Greene

Species Phlox gracilis (Douglas ex Hook.) Greene

Species Phlox hoodii Richardson

Species Phlox longifolia Nuttall

Species Phlox richardsonii Hook.

Species Phlox diffusa Benth.

variety Phlox diffusa Benth. var. longistylis (Wherry) M. Peck

Genus Polemonium L.

Species Polemonium acutiflorum Willd. ex Roem. & Schult.

Species Polemonium boreale Adams

subspecies Polemonium boreale Adams ssp. boreale

Species Polemonium caeruleum L.

Species Polemonium pulcherrimum Hook.

Species Polemonium viscosum Nutt.

Family Primulaceae

Genus Aegiceras Gaertn.

Species Aegiceras corniculatum (L.) Blanco

Genus Anagallis L.

Species Anagallis arvensis L.

Genus Androsace L.

Species Androsace chamaejasme Wulfén ex Host

subspecies Androsace chamaejasme Wulfén ex Host ssp. andersonii (Hultén) Hultén

subspecies Androsace chamaejasme Wulfén ex Host ssp. lehmanniana (Spreng.) Hultén

variety Androsace chamaejasme Wulfén ex Host var. arctica R. Knuth

Species Androsace lehmanniana Spreng.

Species Androsace occidentalis Pursh

Species Androsace puberulenta Rydb.

Species Androsace septentrionalis L.

variety Androsace septentrionalis L. var. diffusa (Small) R. Knuth

variety Androsace septentrionalis L. var. puberulenta (Rydb.) R. Knuth

variety Androsace septentrionalis L. var. subumbellata A. Nelson

Genus Dodecatheon L.

Species Dodecatheon conjugens Greene

variety Dodecatheon conjugens Greene var. viscidum (Piper) H. Mason ex H. St. John

Species Dodecatheon dentatum Hook.

Species Dodecatheon frigidum Cham. & Schltdl.

Species Dodecatheon hendersonii A. Gray

subspecies Dodecatheon hendersonii A. Gray ssp. hendersonii

Species Dodecatheon jeffreyi Van Houtte

subspecies Dodecatheon jeffreyi Van Houtte ssp. jefferyi

Species Dodecatheon pauciflorum Greene

Species Dodecatheon radicatum Greene

Species Dodecatheon pulchellum (Raf.) Merr.

variety Dodecatheon pulchellum (Raf.) Merr. var. cusickii (Greene) Reveal

variety Dodecatheon pulchellum (Raf.) Merr. var. pulchellum

Genus Glaux L.

Species Glaux maritima L.

Genus Hottonia L.

Species Hottonia palustris L.

Genus Lysimachia L.

Species Lysimachia borealis (Rafinesque) U. Manns & Anderberg

Species Lysimachia ciliata L.

Species Lysimachia europaea (L.) U. Manns & Anderberg

Species Lysimachia glutinosa Rock

Species Lysimachia kalalauensis Skottsb.

Species Lysimachia nemorum L.

Species Lysimachia nummularia L.

Species Lysimachia pendens K. Marr

Species Lysimachia remyi Hillebr. ssp. caliginis (H. St. John) K. Marr × Lysimachia remyi Hillebr. ssp. kipahuluensis (H. St. John) K. Marr

Species Lysimachia terrestris (L.) Britton, Sterns & Poggenb.

Species Lysimachia thyrsiflora L.

Species Lysimachia waianaeensis H. St. John

Species Lysimachia remyi Hillebr.

subspecies Lysimachia remyi Hillebr. ssp. caliginis (H. St. John) K. Marr

subspecies Lysimachia remyi Hillebr. ssp. kipahuluensis (H. St. John) K. Marr

subspecies Lysimachia remyi Hillebr. ssp. remyi

subspecies Lysimachia remyi Hillebr. ssp. subherbacea (H. St. John) K. Marr

Genus Primula L.

Species Primula elatior Hill

Species Primula incana M. E. Jones

Species Primula malacoides Franch.

Species Primula mistassinica Michx.

Species Primula conjugens (Greene) A. R. Mast & Reveal

variety Primula conjugens (Greene) A. R. Mast & Reveal var. conjugens

variety Primula conjugens (Greene) A. R. Mast & Reveal var. viscida (Piper) A. R. Mast & Reveal

Species Primula egaliksensis Wormsk.

form Primula egaliksensis Wormsk. forma violacea Fernald

Species Primula pauciflora (Greene) A. R. Mast & Reveal

variety Primula pauciflora (Greene) A. R. Mast & Reveal var. pauciflora

Genus Trientalis L.

Species Trientalis borealis Raf.

Species Trientalis europaea L.

subspecies Trientalis europaea L. ssp. arctica (Fisch. ex Hook.) Hultén

Species Trientalis latifolia Hook.

Family Sapotaceae

Genus Bumelia Sw.

Species Bumelia lanuginosa (Michx.) Pers.

Genus Mimusops L.

Species Mimusops discolor (Sond.) Hartog

Species Mimusops emarginata (L.) Britton

Species Mimusops fruticosa A. DC.

Genus Pouteria Aubl.

Species Pouteria ucuqui Pires & R. E. Schult.

Genus Sideroxylon L.

Species Sideroxylon inerme L.

Family Sarraceniaceae

Genus Darlingtonia Torr.

Species Darlingtonia californica Torr.

Genus Sarracenia L.

Species Sarracenia drummondii H. B. Croom

Species Sarracenia flava L.

Species Sarracenia purpurea L.

Family Styracaceae

Genus Halesia J. Ellis ex L.

Species Halesia carolina L.

Genus Styrax L.

Species Styrax grandifolius Aiton

Species Styrax officinalis L.

variety Styrax officinalis L. var. fulvescens (Eastw.) Munz & I. M. Johnst.

Family Symplocaceae

Genus Symplocos Jacq.

Species Symplocos tinctoria (L.) L'Hér.

Family Theaceae

Genus Gordonia J. Ellis

Species Gordonia lasianthus (L.) J. Ellis

Order Escalloniales

Family Escalloniaceae

Genus Abrophyllum Hook. f. ex Benth.

Species Abrophyllum ornans (F. Muell.) Benth.

Genus Anopterus Labill.

Species Anopterus glandulosus Labill.

Species Anopterus macleayanus F. Muell.

Order Fabales

Family Fabaceae

Genus Acacia Mill.

Species Acacia angustissima (Mill.) Kuntze

Species Acacia greggii A. Gray

Species Acacia koa A. Gray

Genus Amorpha L.

Species Amorpha canescens Pursh

Species Amorpha fruticosa L.

variety Amorpha fruticosa L. var. angustifolia Pursh

Genus Anthyllis L.

Species Anthyllis vulneraria L.

subspecies Anthyllis vulneraria L. ssp. weldeniana (Rchb.) Cullen

Genus Astragalus L.

Species Astragalus aboriginorum Richardson

variety Astragalus aboriginorum Richardson var. aboriginorum

Species Astragalus aboriginum Richardson ex Sprengel

Species Astragalus agrestis Douglas ex G. Don

Species Astragalus alpinus L.

subspecies Astragalus alpinus L. ssp. alpinus

Species Astragalus americanus (Hook.) M. E. Jones

Species Astragalus australis (L.) Lam.

variety Astragalus australis (L.) Lam. var. glabriusculus (Hooker) Isely

Species Astragalus bisulcatus (Hook.) A. Gray

Species Astragalus bourgovii A. Gray

Species Astragalus canadensis L.

Species Astragalus cicer L.

Species Astragalus collinus (Hooker) Douglas ex G. Don

Species Astragalus crassicarpus Nutt.

Species Astragalus dasyglottis Fisch. ex DC

Species Astragalus drummondii Douglas

Species Astragalus eucosmus B. L. Rob.

subspecies Astragalus eucosmus B. L. Rob. ssp. eucosmus

Species Astragalus filipes Torr. ex A. Gray

Species Astragalus flexuosus (Hook.) Douglas ex G. Don

Species Astragalus frigidus (L.) A. Gray

Species Astragalus gilviflorus E. Sheld.

Species Astragalus gracilis Nuttall

Species Astragalus kentrophyta A. Gray

Species Astragalus missouriensis Nutt.

Species Astragalus mongholicus Bunge

Species Astragalus nuttallianus DC.

Species Astragalus pectinatus Boiss.

Species Astragalus purshii Douglas ex Hook.

Species Astragalus richardsonii E. Sheld.

Species Astragalus robbinsii A. Gray

variety Astragalus robbinsii A. Gray var. occidentalis S. Wats.

Species Astragalus spatulatus E. Sheld.

Species Astragalus striatus Nutt. ex Torr. & A. Gray

Species Astragalus strictus Graham ex Benth.

Species Astragalus tenellus Pursh

Species Astragalus umbellatus Bunge

Species Astragalus vexilliflexus E. Sheld.

variety Astragalus vexilliflexus E. Sheld. var. vexilliflexus

Species Astragalus adsurgens Pall.

variety Astragalus adsurgens Pall. var. robustior Hook.

Species Astragalus calycosus Torr. ex S. Watson

variety Astragalus calycosus Torr. ex S. Watson var. scaposus (A. Gray) M. E. Jones

Species Astragalus danicus Retz.

variety Astragalus danicus Retz. var. dasyglottis (Fisch. ex DC.) B. Boivin

Species Astragalus laxmannii Jacq.

variety Astragalus laxmannii Jacq. var. robustior (Hook.) Barneby & S. L. Welsh

Species Astragalus miser Douglas ex Hook.

variety Astragalus miser Douglas ex Hook. var. serotinus (A. Gray ex Cooper) Barneby

Genus Calliandra Benth.

Species Calliandra eriophylla Benth.

Genus Caragana Fabr.

Species Caragana arborescens Lam.

Species Caragana boisi Schneid.

Species Caragana brevispina Benth.

Species Caragana decorticans Hemsl.

Species Caragana microphylla Lam.

Species Caragana pygmaea (L.) DC.

Species Caragana spinosa (L.) Hornem.

Genus Cicer L.

Species Cicer arietinum L.

Genus Coronilla L.

Species Coronilla varia L.

Genus Cytisus Desf.

Species Cytisus hirsutus L.

Species Cytisus scoparius (L.) Link

Genus Dalea L.

Species Dalea albiflora A. Gray

Species Dalea candida Willdenow

variety Dalea candida Willdenow var. oligophylla (Torr.) Shinners

Genus Delonix Raf.

Species Delonix regia (Bojer ex Hook.) Raf.

Genus Desmodium Desv.

Species Desmodium canadense (L.) DC.

Species Desmodium dillenii Darlington

Genus Glycyrrhiza L.

Species Glycyrrhiza lepidota Nutt. ex Pursh

Genus Hedysarum L.

Species Hedysarum alpinum L.

subspecies Hedysarum alpinum L. ssp. americanum (Michx. ex Pursh) Fedtschenko

variety Hedysarum alpinum L. var. americanum Michx. ex Pursh

variety Hedysarum alpinum L. var. philoscia (A. Nelson) Rollins

Species Hedysarum americanum (Michaux ex Pursh) Britton

Species Hedysarum boreale Nutt.

subspecies Hedysarum boreale Nutt. ssp. mackenziei (Richardson) S. L. Welsh

variety Hedysarum boreale Nutt. var. boreale

variety Hedysarum boreale Nutt. var. mackenziei (Richardson) C. L. Hitchc.

Species Hedysarum mackenziei Richardson

form Hedysarum mackenziei Richardson forma niveum B. Boivin

Species Hedysarum sulphurescens Rydb.

Genus Lathyrus L.

Species Lathyrus japonicus Willdenow

Species Lathyrus nevadensis S. Watson

Species Lathyrus ochroleucus Hook.

Species Lathyrus odoratus L.

Species Lathyrus pratensis L.

Species Lathyrus sylvestris L.

Species Lathyrus tuberosus L.

Species Lathyrus vernus (L.) Bernh.

Species Lathyrus maritimus (L.) Bigelow

subspecies Lathyrus maritimus (L.) Bigelow ssp. pubescens (Hartm.) C. Regel

Species Lathyrus venosus Muhl. ex Willd.

variety Lathyrus venosus Muhl. ex Willd. var. intonsus Butters & H. St. John

Genus Lespedeza Michx.

Species Lespedeza capitata Michx.

Genus Lotus L.

Species Lotus strigosus (Nutt.) Greene

variety Lotus strigosus (Nutt.) Greene var. tomentellus (Greene) Isely

Species Lotus corniculatus L.

Species Lotus tetragonolobus L.

Species Lotus wrightii (A. Gray) Greene

Genus Lupinus L.

Species Lupinus arboreus Sims

Species Lupinus arcticus S. Wats.

Species Lupinus argenteus Pursh

Species Lupinus hartwegii Lindl.

Species Lupinus nootkatensis Donn ex Sims

Species Lupinus latifolius J. Agardh

variety Lupinus latifolius J. Agardh var. latifolius

Species Lupinus lyallii A. Gray

variety Lupinus lyallii A. Gray var. lobbii (S. Watson) C. P. Sm.

Species Lupinus sericeus Pursh

variety

form Lupinus sericeus Pursh forma leucanthus B. Boivin

Genus Macroptilium (Benth.) Urb.

Species Macroptilium gibbosifolium (Ortega) A. Delgado

Genus Medicago L.

Species Medicago falcata L.

Species Medicago ignatzii K. A. Lesins & I. Lesins

Species Medicago lupulina L.

Species Medicago sativa L.

subspecies Medicago sativa L. nothossp. varia (Martyn) Arcang.

subspecies Medicago sativa L. ssp. falcata (L.) Arcang.

subspecies Medicago sativa L. ssp. glomerata (Balb.) Tutin

Species Medicago coronata Bartal.

form Medicago coronata (L.) Bartal. forma pauciflora I. and K. Lesins

Species Medicago doliata Carmign.

form Medicago doliata Carmign. forma terniana I. & K. A. Lesins

Species Medicago papillosa Boiss.

subspecies Medicago papillosa Boiss. ssp. papillosa

Species Medicago tornata (L.) Mill.

subspecies Medicago tornata (L.) Mill. ssp. helix (Willd.)

variety Medicago tornata (L.) Mill. ssp. helix (Willd.) var. parvicarpa I. & K. A. Lesins

form Medicago tornata (L.) Mill. ssp. helix (Willd.) var. parvicarpa I. & K. A. Lesins forma parvicarpa I. & K. A. Lesins

Species Medicago truncatula Gaertn.

form Medicago truncatula Gaertn. forma uncinata (Willd.) I. & K. A. Lesins

Genus Melilotus Mill.

Species Melilotus albus Medik.

variety Melilotus albus Medik. var. albus

Species Melilotus officinalis (L.) Lam.

Genus Mimosa L.

Species Mimosa aculeaticarpa Ortega

variety Mimosa aculeaticarpa Ortega var. biuncifera (Benth.) Barneby

Genus Onobrychis Mill.

Species Onobrychis viciifolia Scop.

Genus Ononis L.

Species Ononis arvensis L.

Genus Oxytropis DC.

Species Oxytropis arctica R. Br.

variety Oxytropis arctica R. Br. var. arctica

Species Oxytropis arctobia Bunge

Species Oxytropis besseyi (Rydberg) Blankinship

Species Oxytropis cusickii Greenm.

Species Oxytropis deflexa (Pall.) DC.

subspecies Oxytropis deflexa (Pall.) DC. ssp. foliolosa (Hooker) Cody

subspecies Oxytropis deflexa (Pall.) DC. ssp. sericea (Torrey & A. Gray) Cody

variety Oxytropis deflexa (Pall.) DC. var. foliolosa (Hook.) Barneby

variety Oxytropis deflexa (Pall.) DC. var. parviflora B. Boivin

variety Oxytropis deflexa (Pall.) DC. var. sericea Torr. & A. Gray

Species Oxytropis glutinosa A.E. Porsild

Species Oxytropis hudsonica (Greene) Fernald

Species Oxytropis hyperborea A. E. Porsild

Species Oxytropis lagopus Nutt.

Species Oxytropis maydelliana Trautv.

Species Oxytropis podocarpa A. Gray

Species Oxytropis sericea Nutt. ex Torr. & A. Gray

variety Oxytropis sericea Nutt. ex Torr. & A. Gray var. spicata (Hook.) Barneby

Species Oxytropis splendens Douglas ex Hook.

Species Oxytropis varians (Rydb.) K. Schum.

Species Oxytropis viscida Nutt. ex Torr. & A. Gray

variety Oxytropis viscida Nutt. ex Torr. & A. Gray var. viscida

Species Oxytropis viscidula (Rydb.) Tidestr.

Species Oxytropis borealis DC.

variety Oxytropis borealis DC. var. viscida (Nuttall) S. L. Welsh

Species Oxytropis campestris (L.) DC.

subspecies Oxytropis campestris (L.) DC. ssp. jordalii (A. E. Porsild) Hultén

variety Oxytropis campestris (L.) DC. var. cusickii (Greenm.) Barneby

variety Oxytropis campestris (L.) DC. var. gracilis (A. Nels.) Barneby

variety Oxytropis campestris (L.) DC. var. jordalii (A. E. Porsild) S. L. Welsh

variety Oxytropis campestris (L.) DC. var. jordalii (A.E. Porsild) S. L. Welsh

variety Oxytropis campestris (L.) DC. var. spicata Hooker

variety Oxytropis campestris (L.) DC. var. varians (Rydb.) Barneby

Species Oxytropis jordalii A.E. Porsild

subspecies Oxytropis jordalii A.E. Porsild ssp. jordalii

Species Oxytropis monticola A. Gray

subspecies Oxytropis monticola A. Gray ssp. monticola

Species Oxytropis nigrescens (Pall.) Fisch. ex DC.

subspecies Oxytropis nigrescens (Pall.) Fisch. ex DC. ssp. nigrescens

subspecies Oxytropis nigrescens (Pall.) Fisch. ex DC. ssp. pygmaea (Pall.) Hultén

variety Oxytropis nigrescens (Pall.) Fisch. ex DC. var. nigrescens

variety Oxytropis nigrescens (Pall.) Fisch. ex DC. var. uniflora (Hook.) Barneby

Genus Pediomelum Rydberg

Species

Genus Petalostemon Michx.

Species Petalostemon candidum Michx.

Species Petalostemon ornatum Douglas

Species Petalostemon purpureum (Vent.) Rydb.

Genus Pisum L.

Species Pisum sativum L.

Genus Psoralea L.

Species Psoralea argophylla Pursh

Species Psoralea esculenta Pursh

Species Psoralea lanceolata Pursh

Genus Robinia L.

Species Robinia neomexicana A. Gray

Species Robinia pseudoacacia L.

Genus Sarothamnus Wimm.

Species Sarothamnus scoparius (L.) W.D.J. Koch

Genus Strophostyles Elliott

Species Strophostyles leiosperma (Torrey & A. Gray) Piper

Genus Thermopsis R. Br. ex Aiton & W.T. Aiton

Species Thermopsis montana Nutt.

Species Thermopsis rhombifolia (Nutt. ex Pursh) Richardson

Genus Trifolium L.

Species Trifolium arvense L.

Species Trifolium aureum Pollich

Species Trifolium beckwithii Brewer ex S. Wats.

Species Trifolium campestre Schreb.

Species Trifolium hybridum L.

Species Trifolium microcephalum Pursh

Species Trifolium montanum L.

Species Trifolium parryi A. Gray

Species Trifolium pratense L.

Species Trifolium repens L.

Species Trifolium tridentatum Lindl.

Species Trifolium wormskioldii Lehm.

Genus Ulex L.

Species Ulex europaeus L.

Genus Vicia L.

Species Vicia americana Muhl. ex Willd.

variety Vicia americana Muhl. ex Willd. var. americana

Species Vicia angustifolia L.

Species Vicia cracca L.

Species Vicia dumentorum L.

Species Vicia grandiflora Scop.

Species Vicia tenuifolia Roth

Species Vicia tetrasperma (L.) Schreb.

Species Vicia villosa Roth

Species Vicia nigricans Hooker & Arnott

subspecies Vicia nigricans Hooker & Arnott ssp. gigantea (Hooker) Lassetter & C. R. Gunn

Genus Xanthocercis Baill.

Species Xanthocercis zambesiaca (Baker) Dumaz-le-Grand

Family Polygalaceae

Genus Comesperma Labill.

Species Comesperma ericinum DC.

Genus Polygala L.

Species Polygala alba Nutt.

Species Polygala alpestris Rchb.

Species Polygala amarella Crantz

Species Polygala californica Nutt.

Species Polygala coerulea Miégev. ex Rchb.

Species Polygala comosa Schkuhr

Species Polygala cornuta Kellogg

Species Polygala cruciata L.

Species Polygala curtissii A. Gray

Species Polygala erioptera DC.

Species Polygala lutea L.

Species Polygala pedemontana E. P. Perrier & B. Verl.

Species Polygala polygama Walter

Species Polygala ramosa Elliott

Species Polygala senega L.

Species Polygala serpyllacea Weihe

Species Polygala serpyllifolia Hose

Species Polygala sphenoptera Fresen.

Species Polygala ukirensis Gürke

Species Polygala verticillata L.

Species Polygala viridescens L.

Species Polygala vulgaris L.

Genus Polygaloides Haller

Species Polygaloides paucifolia (Willdenow) J. R. Abbott

Order Fagales

Family Betulaceae

Genus Alnus Mill.

Species Alnus crispa (Aiton) Pursh

Species Alnus rubra Bong.

Species Alnus sinuata (Regel) Rydberg

Species Alnus tenuifolia Nutt.

Species Alnus alnobetula (Ehrhart) K. Koch

subspecies Alnus alnobetula (Ehrhart) K. Koch ssp. crispa (Aiton) Raus

subspecies Alnus alnobetula (Ehrhart) K. Koch ssp. fruticosa (Ruprecht) Raus

subspecies Alnus alnobetula (Ehrhart) K. Koch ssp. sinuata (Regel) Raus

Species Alnus incana (L.) Moench

subspecies Alnus incana (L.) Moench ssp. rugosa (Du Roi) R. T. Clausen

subspecies Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung

Genus Betula L.

Species Betula alleghaniensis Britton

Species Betula fontinalis Sarg.

Species Betula glandulosa Michx.

Species Betula glandulosa Michx. × Betula nana L. ssp. exilis (Sukaczev) Hultén

Species Betula nana L.

Species Betula neoalaskana Sarg.

Species Betula occidentalis Hook.

Species Betula pendula Roth

Species Betula pumila L.

variety Betula pumila L. var. glandulifera Regel

Species Betula pumila L. × Betula occidentalis Hook.

Species Betula resinifera (Regel) Britton

Species Betula × arbuscula Dugle

Species Betula × dugleana Lepage

Species Betula × eastwoodiae Sarg.

Species Betula × piperi Britton

Species Betula × sargentii Dugle

Species Betula × uliginosa Dugle

Species Betula × winteri Dugle

Species Betula papyrifera Marshall

variety Betula papyrifera Marshall var. commutata (Regel) Fernald

variety Betula papyrifera Marshall var. humilis (Regel) Fernald & Raup

variety Betula papyrifera Marshall var. neoalaskana (Sarg.) Raup

variety Betula papyrifera Marshall var. papyrifera

variety Betula papyrifera Marshall var. subcordata (Rydb. ex B. T. Butler) Sarg.

Genus Carpinus L.

Species Carpinus betulus L.

Genus Corylus L.

Species Corylus avellana L.

Species Corylus cornuta Marshall

Genus Ostrya Scop.

Species Ostrya virginiana (Miller) K. Koch

Family Casuarinaceae

Genus Allocasuarina L. A. S. Johnson

Genus Casuarina L.

Species Casuarina cunninghamiana Miq.

Species Casuarina distyla Vent.

Species Casuarina equisetifolia L.

Family Fagaceae

Genus Castanea Mill.

Species Castanea pumila (L.) Mill.

Genus Castanopsis (D. Don) Spach

Species Castanopsis chrysophylla (Douglas ex Hook.) DC.

Species Castanopsis sempervirens (Kellogg) Dudley ex Merriam

Genus Fagus L.

Species Fagus grandifolia Ehrh.

Species Fagus sylvatica L.

Genus Lithocarpus Blume

Species Lithocarpus densiflorus (Hook. & Arn.) Rehder

variety Lithocarpus densiflorus (Hook. & Arn.) Rehder var. echinoides (R. Br. ter) Abrams

Genus Quercus L.

Species Quercus acuminata Sarg.

Species Quercus agrifolia Née

Species Quercus alba L.

Species Quercus arizonica Sarg.

Species Quercus bicolor Willd.

Species Quercus californica (Torr.) Cooper

Species Quercus chrysolepis Liebm.

variety Quercus chrysolepis Liebm. var. vaccinifolia (Kellogg) Engelm.

Species Quercus coccinea Wangenh.

Species Quercus douglasii Hook. & Arn.

Species Quercus durata Jeps.

Species Quercus emoryi Torr.

Species Quercus engelmannii Greene

Species Quercus falcata Michx.

Species Quercus gambelii Nutt.

Species Quercus garryana Douglas ex Hook.

Species Quercus georgiana M.A. Curtis

Species Quercus ilex L.

Species Quercus imbricaria Michx.

Species Quercus kelloggii Newb.

Species Quercus laurifolia Michx.

Species Quercus leana Nutt.

Species Quercus lobata Née

Species Quercus macrocarpa Michx.

variety Quercus macrocarpa Michx. var. macrocarpa

Species Quercus marilandica Münchh.

Species Quercus michauxii Nutt.

Species Quercus muehlenbergii Engelm.

Species Quercus nigra L.

Species Quercus palustris Münchh.

Species Quercus petraea (Matt.) Liebl.

Species Quercus prinoides Willd.

Species Quercus prinus L.

Species Quercus pubescens Willd.

Species Quercus robur L.

Species Quercus sadleriana R. Br. ter

Species Quercus stellata Wangenh.

Species Quercus turbinella Greene

Species Quercus utahensis (DC.) Rydb.

Species Quercus vaccinifolia Kellogg ex Curran

Species Quercus velutina Lam.

Species Quercus virginiana Mill.

Species Quercus wislizenii DC.

Species Quercus × pauciloba Rydb.

Species Quercus borealis F. Michx.

variety Quercus borealis F. Michx. var. maxima (Marshall) Ashe

Species Quercus dumosa Nutt.

variety Quercus dumosa Nutt. var. turbinella (Greene) Jeps.

Species Quercus rubra L.

variety Quercus rubra L. var. borealis (F. Michx.) Farw.

Family Juglandaceae

Genus Carya Nutt.

Species Carya alba (L.) Nutt.

Species Carya cordiformis (Wangenh.) K. Koch

Species Carya glabra (Mill.) Sweet

Species Carya illinoinensis (Wangenh.) K. Koch

Species Carya ovalis (Wangenh.) Sarg.

variety Carya ovalis (Wangenh.) Sarg. var. obcordata (Muhl.) Sarg.

Species Carya ovata (Mill.) K. Koch

Species Carya texana Buckley

Species Carya tomentosa (Poir.) Nutt.

Genus Juglans L.

Species Juglans californica S. Wats.

Species Juglans nigra L.

Family Myricaceae

Genus Comptonia L'Hér. ex Aiton

Species Comptonia peregrina (L.) J. M. Coult.

Genus Morella Loureiro

Species Morella californica (Chamisso) Wilbur

Species Morella pensylvanica (Mirbel) Kartesz

Genus Myrica L.

Species Myrica cerifera L.

Species Myrica gale L.

variety Myrica gale L. var. gale

Family Nothofagaceae

Genus Nothofagus Blume

Species Nothofagus betuloides (Mirb.) Oerst.

Species Nothofagus cliffortioides (Hook. f.) Oerst.

Species Nothofagus cunninghamii (Hook.) Oerst.

Species Nothofagus fusca (Blume) Oerst.

Species Nothofagus gunnii (Hook. f.) Oerst.

Species Nothofagus menziesii (Hook. f.) Oerst.

Species Nothofagus moorei (F. Muell.) Krasser

Species Nothofagus obliqua (Mirb.) Oerst.

Species Nothofagus solandri (Hoof. f.) Oerst.

Order Garryales

Family Garryaceae

Genus Garrya Douglas ex Lindl.

Species Garrya buxifolia A. Gray

Species Garrya congdonii Eastw.

Species Garrya elliptica Douglas ex Lindl.

Species Garrya flavescens S. Wats.

Species Garrya fremontii Torr.

Family Icacinaceae

Genus Pyrenacantha Hook.

Species Pyrenacantha kaurabassana Baill.

Order Gentianales

Family Apocynaceae

Genus Acokanthera G. Don

Species Acokanthera schimperi (A. DC.) Benth. & Hook. f.

Genus Allamanda L.

Species Allamanda cathartica L.

Genus Alyxia Banks ex R. Br.

Species Alyxia ruscifolia R. Br.

Genus Amsonia Walter

Species Amsonia ciliata Walter

Species Amsonia palmeri A. Gray

Species Amsonia tabernaemontana Walter

Genus Apocynum L.

Species Apocynum album Greene

Species Apocynum androsaemifolium L.

variety Apocynum androsaemifolium L. var. glabrum Macoun

variety Apocynum androsaemifolium L. var. incanum A. DC.

variety Apocynum androsaemifolium L. var. pumilum A. Gray

variety Apocynum androsaemifolium L. var. woodsonii B. Boivin

Species Apocynum medium Greene

Species Apocynum sibiricum Jacq.

Species Apocynum venetum L.

Species Apocynum × floribundum 91+(pro sp.)+

Species Apocynum cannabinum L.

variety Apocynum cannabinum L. var. cannabinum

variety Apocynum cannabinum L. var. hypericifolium (Aiton) A. Gray

variety Apocynum cannabinum L. var. suksdorfii Bég. & Beloserky

variety Apocynum androsaemifolium L. var. androsaemifolium

Genus Asclepias L.

Species Asclepias amplexicaulis Sm.

Species Asclepias californica Greene

Species Asclepias cordifolia (Benth.) Jeps.

Species Asclepias curassavica L.

Species Asclepias eriocarpa Benth.

Species Asclepias erosa Torr.

Species Asclepias exaltata L.

Species Asclepias incarnata L.

variety Asclepias incarnata L. var. incarnata

variety Asclepias incarnata L. var. pulchra (Ehrh. ex Willd.) Pers.

Species Asclepias mexicana Cav.

Species Asclepias ovalifolia Decne.

Species Asclepias pumila (A. Gray) Vail

Species Asclepias quadrifolia Jacq.

Species Asclepias rubra L.

Species Asclepias sibirica L.

Species Asclepias speciosa Torr.

Species Asclepias syriaca L.

Species Asclepias tuberosa L.

Species Asclepias variegata L.

Species Asclepias verticillata L.

Species Asclepias vestita Hook. & Arn.

Species Asclepias cryptoceras S. Wats.

variety Asclepias cryptoceras S. Wats. var. cryptoceras

Genus Asclepiodora A. Gray

Species Asclepiodora decumbens (Nutt.) A. Gray

Genus Astephanus R. Br.

Species Astephanus utahensis Engelm.

Genus Carissa L.

Species Carissa edulis (Forssk.) Vahl

Genus Catharanthus G. Don

Species Catharanthus roseus (L.) G. Don

Genus Cynanchum L.

Species Cynanchum vincetoxicum (L.) Pers.

Genus Ervatamia (A. DC.) Stapf

Species Ervatamia angustisepala (Benth.) Domin

Genus Funastrum E. Fourn.

Species Funastrum heterophyllum (Engelm. ex Torr.) Standl.

Genus Gomphocarpus R. Br.

Species Gomphocarpus kaessneri (N. E. Br. ex S. Moore) Goyder

Genus Matelea Aubl.

Species Matelea decipiens (Alexander) Woodson

Genus Nerium L.

Species Nerium oleander L.

Genus Pentarrhinum E. Mey.

Species Pentarrhinum insipidum E. Mey.

Genus Sarcostemma R. Br.

Species Sarcostemma hirtellum (A. Gray) R. W. Holm

Species Sarcostemma stolonifera B. R. Adams & R. W. Holland

Species Sarcostemma cynanchoides Decne.

subspecies Sarcostemma cynanchoides Decne. ssp. hartwegii (Vail) R. W. Holm

Genus Stathmostelma K. Schum.

Species Stathmostelma pedunculatum (Decne.) K. Schum.

Genus Strophanthus DC.

Species Strophanthus mirabilis Gilg

Genus Vallesia Ruiz & Pav.

Species Vallesia glabra (Cav.) Link

Genus Vinca L.

Species Vinca erecta Regel & Schmalhausen

Species Vinca major L.

Species Vinca minor L.

Genus Vincetoxicum Wolf

Species Vincetoxicum hirundinaria Medik.

Species Vincetoxicum purpureum (Pall.) Kuntze

Family Gentianaceae

Genus Bartonia Muhl. ex Willd.

Species Bartonia aurea Lindl.

Genus Centaurium Hill

Species Centaurium erythraea Rafn

subspecies Centaurium erythraea Rafn ssp. erythraea

Species Centaurium exaltatum (Griseb.) W. Wight ex Piper

Species Centaurium pulchellum (Sw.) Druce

Species Centaurium venustum (A. Gray) B.L. Rob.

Species Centaurium vulgare Rafn

Species Centaurium calycosum (Buckley) Fernald

variety Centaurium calycosum (Buckley) var. breviflorum Shinners

Genus Comastoma (Wettstein) Toyokuni

Species Comastoma tenellum (Rottbøll) Toyokuni

Genus Eustoma Salisb.

Species Eustoma exaltatum (L.) Salisb. ex G. Don

Genus Exacum L.

Species Exacum affine Balf. f. ex Regel

Genus Frasera Walter

Species Frasera caroliniensis Walter

Species Frasera fastigiata (Pursh) A. Heller

Species Frasera nitida Benth.

variety Frasera nitida Benth. var. albicaulis (Griseb.) Card

Species Frasera parryi Torr.

Species Frasera speciosa Douglas ex Griseb.

Genus Gentiana L.

Species Gentiana acaulis L.

Species Gentiana acuta Michx.

Species Gentiana affinis Griseb.

Species Gentiana algida Pallas

Species Gentiana alpina Vill.

Species Gentiana amarella L.

form Gentiana amarella L. forma michauxiana Fernald

Species Gentiana andrewsii Griseb.

Species Gentiana antarctica Kirk

Species Gentiana aquatica L.

Species Gentiana asclepiadea L.

Species Gentiana barbata Froel.

Species Gentiana bigelovii A. Gray

Species Gentiana campestris L.

variety Gentiana campestris L. var. germanica Froel.

Species Gentiana cerina Hook. f.

Species Gentiana cruciata L.

Species Gentiana decumbens L. f.

Species Gentiana djimilensis C. Koch

Species Gentiana douglasiana Bongard

Species Gentiana elegans A. Nels.

Species Gentiana flavida A. Gray

Species Gentiana gaspensis Vict.

Species Gentiana germanica Murb.

Species Gentiana glauca Pall.

Species Gentiana holopetala (A. Gray) Holm

Species Gentiana kochiana Perr. & Songeon

Species Gentiana linearis Froel.

Species Gentiana newberryi A. Gray

Species Gentiana nivalis L.

Species Gentiana parryi Engelm.

Species Gentiana platypetala Griseb.

Species Gentiana procera Holm

Species Gentiana propinqua Richardson

subspecies Gentiana propinqua Richardson ssp. propinqua

Species Gentiana prostrata Haenke

variety Gentiana prostrata Haenke var. americana Engelm.

Species Gentiana punctata L.

Species Gentiana purpurea L.

Species Gentiana raupii A. E. Porsild

Species Gentiana richardsonii A. E. Porsild

Species Gentiana saponaria L.

Species Gentiana sceptrum Griseb.

Species Gentiana thermalis Kuntze

Species Gentiana triflora Pall.

Species Gentiana verna L.

Genus Gentianella Moench

Species Gentianella acuta (Michx.) Hultén

Species Gentianella amarella (L.) Borner

subspecies Gentianella amarella (L.) Borner ssp. acuta (Michx.) J. M. Gillett

form Gentianella amarella (L.) Borner forma michauxiana (Fernald) Scoggan

Species Gentianella aurea (L.) Harry Sm. ex Hyl.

Species Gentianella detonsa (Rottb.) G. Don

Species Gentianella propinqua (Richardson) J. M. Gillett

subspecies Gentianella propinqua (Richardson) J. M. Gillett ssp. propinqua

variety Gentianella propinqua (Richardson) J. M. Gillett var. propinqua

Species Gentianella quinquefolia (L.) Small

Species Gentianella crinita (Froel.) Don

subspecies Gentianella crinita (Froel.) Don ssp. macounii (T. Holm) J. M. Gillett

Genus Gentianopsis Ma

Species Gentianopsis crinita (Froel.) Ma

Species Gentianopsis detonsa (Rottb.) Ma

Species Gentianopsis macounii (T. Holm) H. H. Iltis

Species Gentianopsis virgata (Rafinesque) Holub

subspecies Gentianopsis virgata (Rafinesque) Holub ssp. macounii (Holm) J. S. Pringle

subspecies Gentianopsis virgata (Rafinesque) Holub ssp. victorinii (Fernald) Lammers

subspecies Gentianopsis virgata (Rafinesque) Holub ssp. virgata

Genus Halenia Borkh.

Species Halenia corniculata (L.) Cornaz

Species Halenia deflexa (Sm.) Griseb.

variety Halenia deflexa (Sm.) Griseb. var. deflexa

Genus Lomatogonium A. Braun

Species Lomatogonium rotatum (L.) Fr. ex Nyman

subspecies Lomatogonium rotatum (L.) Fr. ex Nyman ssp. rotatum

subspecies Lomatogonium rotatum (L.) Fr. ex Nyman ssp. tenuifolium (Griseb.) A .E. Porsild

form Lomatogonium rotatum (L.) Fr. ex Nyman forma albiflorum Polunin

form Lomatogonium rotatum (L.) Fr. ex Nyman forma americanum (Griseb.) Fernald

form Lomatogonium rotatum (L.) Fr. ex Nyman forma ovalifolium Fernald

form Lomatogonium rotatum (L.) Fr. ex Nyman forma tenuifolium (Griseb.) Fernald

Genus Pneumonanthe Gled.

Species Pneumonanthe bigelovii (A. Gray) Greene

Genus Sabatia Adans.

Species Sabatia angularis (L.) Pursh

Species Sabatia chloroides (Michx.) Pursh

Species Sabatia difformis (L.) Druce

Species Sabatia lanceolata Torr. & A. Gray

Species Sabatia paniculata (Michx.) Pursh

Genus Swertia L.

Species Swertia albomarginata (S. Watson) Kuntze

Species Swertia montana (Mulford) H. St. John

Species Swertia obtusa Ledeb.

Species Swertia perennis L.

Species Swertia radiata (Kellogg) Kuntze

Family Loganiaceae

Genus Strychnos L.

Species Strychnos madagascariensis Poir.

Family Rubiaceae

Genus Asperula L.

Species Asperula tinctoria L.

Genus Chiococca P. Browne

Species Chiococca alba (L.) Hitchc.

Genus Cruciata Mill.

Species Cruciata glabra (L.) Ehrend.

Species Cruciata laevipes Opiz

Genus Galium L.

Species Galium aparine L.

Species Galium brandegeei A. Gray

Species Galium labradoricum (Wiegand) Wiegand

Species Galium mollugo L.

Species Galium odoratum (L.) Scop.

Species Galium palustre L.

Species Galium rivale (Sibth. & Sm.) Griseb.

Species Galium trifidum L.

subspecies Galium trifidum L. ssp. brevipes (Fern. & Wiegand) A. Love & D. Love

subspecies Galium trifidum L. ssp. trifidum

variety Galium trifidum L. var. trifidum

Species Galium triflorum Michx.

Species Galium verum L.

Genus Houstonia L.

Species Houstonia longifolia Gaertn.

variety Houstonia longifolia Gaertn. var. musci B. Boivin

Species Cephalanthus occidentalis L.

Order Geraniales

Family Geraniaceae

Genus Erodium L'Hér. ex Aiton

Species Erodium botrys (Cav.) Bertol.

Species Erodium cicutarium (L.) L'Hér. ex Aiton

Species Erodium praetermissum Jord. ex Boreau

Species Erodium texanum A. Gray

Genus Geranium L.

Species Geranium albiflorum Ledeb.

Species Geranium arabicum Forssk.

Species Geranium caeruleum Patrin ex DC.

Species Geranium caespitosum E. James

Species Geranium cruceroense R. Knuth

Species Geranium dissectum L.

Species Geranium erianthum DC.

Species Geranium eriostemon Fisch. ex DC.

Species Geranium fremontii Torr. ex A. Gray

Species Geranium incisum Andrews

Species Geranium latum Small

Species Geranium loloense H. St. John

Species Geranium lucidum L.

Species Geranium maculatum L.

Species Geranium molle L.

Species Geranium nervosum Rydb.

Species Geranium nodosum L.

Species Geranium phaeum L.

Species Geranium potentillaefolium DC.

Species Geranium pratense L.

Species Geranium pusillum L.

Species Geranium richardsonii Fisch. & Trautv.

Species Geranium richardsonii Fisch. & Trautv. x Geranium viscosissimum Fisch. & C. A. Mey.

Species Geranium robertianum L.

Species Geranium rotundifolium L.

Species Geranium sanguineum L.

Species Geranium sibiricum L.

Species Geranium sphaerospermum Fernald

Species Geranium sylvaticum L.

Species Geranium tridens Hillebr.

Species Geranium viscosissimum Fisch. & C. A. Mey.

variety Geranium viscosissimum Fisch. & C. A. Mey. var. viscosissimum

Species Geranium wlassovianum Fisch. ex Link

Species Geranium bicknellii Britton

form Geranium bicknellii Britton forma album B. Boivin

Order Gunnerales

Family Dilleniaceae

Genus Hibbertia Andrews

Species Hibbertia dentata DC.

Order Lamiales

Family Acanthaceae

Genus Anisacanthus Nees

Species Anisacanthus thurberi (Torr.) A. Gray

Genus Avicennia L.

Species Avicennia germinans (L.) L.

Genus Beloperone Nees

Species Beloperone californica Benth.

Genus Calophanes D. Don

Species Calophanes linearis (Torr. & A. Gray) A. Gray

Genus Duosperma Dayton

Species Duosperma eremophilum (Milne-Redh.) Brummitt

Genus Dyschoriste Nees

Species Dyschoriste radicans Nees

Genus Ecbolium S. Kurz

Species Ecbolium revolutum C. B. Clarke

Genus Hypoestes Sol. ex R. Br.

Species Hypoestes aristata (Vahl) Sol. ex Roem. & Schult.

Genus Justicia L.

Species Justicia americana Vahl

Species Justicia caerulea Forssk.

Species Justicia cheiranthifolia C. B. Clarke

Species Justicia elliotii S. Moore

Genus Monechma Hochst.

Species Monechma debile Nees

Genus Ruellia L.

Species Ruellia hybrida Pursh

Species Ruellia patula Jacq.

Species Ruellia peninsularis (Rose) I. M. Johnst.

Genus Stenandrium Nees

Species Stenandrium barbatum Torr. & A. Gray

Family Bignoniaceae

Genus Bignonia L.

Species Bignonia capreolata L.

Genus Campsis Lour.

Species Campsis radicans (L.) Bureau

Genus Catalpa Scop.

Species Catalpa bignonioides Walter

Species Catalpa speciosa Warder ex Engelm.

Genus Chilopsis D. Don

Species Chilopsis linearis (Cav.) Sweet

Genus Pandorea Spach

Species Pandorea pandorana Steenis

Family Gesneriaceae

Genus Negria F. Muell.

Species Negria rhabdothamnoides F. Muell.

Family Lamiaceae

Genus Agastache Clayton ex Gronov.

Species Agastache anethiodora (Nutt.) Britton

Species Agastache foeniculum (Pursh) Kuntze

Genus Ajuga L.

Species Ajuga genevensis L.

Species Ajuga reptans L.

Genus Betonica L.

Species Betonica officinalis L.

Genus Callicarpa L.

Species Callicarpa americana L.

Genus Clerodendrum L.

Species Clerodendrum glabrum E. Mey.

Genus Clinopodium L.

Species Clinopodium douglasii (Bentham) Kuntze

Genus Dracocephalum L.

Species Dracocephalum parviflorum Nutt.

Species Dracocephalum thymiflorum L.

Genus Galeobdolon Adans.

Species Galeobdolon luteum Huds.

Genus Galeopsis L.

Species Galeopsis angustifolia Ehrh. ex Hoffm.

Species Galeopsis bifida Boenninghausen

Species Galeopsis ladanum L.

Species Galeopsis speciosa Mill.

Species Galeopsis tetrahit L.

Genus Glechoma L.

Species Glechoma hederacea L.

Genus Hedeoma Persoon

Species Hedeoma drummondii Benth.

Species Hedeoma hispida Pursh

Species Hedeoma nana (Torr.) Briq.

Genus Lamium L.

Species Lamium amplexicaule L.

Species Lamium maculatum L.

Genus Lavandula L.

Species Lavandula angustifolia Mill.

Genus Lycopus L.

Species Lycopus americanus Muhl. ex W. P. C. Barton

Species Lycopus asper Greene

Species Lycopus uniflorus Michx.

Genus Marrubium L.

Species Marrubium vulgare L.

Genus Melissa L.

Species Melissa officinalis L.

Genus Mentha L.

Species Mentha arvensis L.

variety Mentha arvensis L. var. glabrata (Benth.) Fernald

variety Mentha arvensis L. var. villosa S. R. Stewart

Species Mentha spicata L.

Species Mentha × piperita L.

Species Mentha canadensis L.

variety Mentha canadensis L. var. glabrata Benth.

Genus Micromeria Benth.

Species Micromeria fruticosa (L.) Druce

Genus Monarda L.

Species Monarda fistulosa L.

subspecies Monarda fistulosa L. ssp. menthaefolia (Graham) B. Boivin

variety Monarda fistulosa L. ssp. menthaefolia (Graham) B. Boivin var. brachycephala B. Boivin

variety Monarda fistulosa L. ssp. menthaefolia (Graham) B. Boivin var. musci B. Boivin

variety Monarda fistulosa L. var. menthifolia (Graham) Fernald

Genus Nepeta L.

Species Nepeta cataria L.

Genus Origanum L.

Species Origanum vulgare L.

Genus Physostegia Benth.

Species Physostegia ledinghamii (B. Boivin) P. D. Cantino

Species Physostegia parviflora Nutt. ex A. Gray

Genus Prunella L.

Species Prunella vulgaris L.

subspecies Prunella vulgaris L. ssp. lanceolata (W. P. C. Barton) Hultén

variety Prunella vulgaris L. var. lanceolata (W. P. C. Barton) Fernald

form Prunella vulgaris L. forma biolor B. Boivin

Genus Rabdosia Hassk.

Species Rabdosia racemosa (Hemsl.) H. Hara

Genus Rosmarinus L.

Species Rosmarinus officinalis L.

Genus Salvia L.

Species Salvia columbariae Benth.

Species Salvia officinalis L.

Species Salvia verticillata L.

Genus Scutellaria L.

Species Scutellaria galericulata L.

variety Scutellaria galericulata L. var. epilobiifolia (Ham.) Jordal

variety Scutellaria galericulata L. var. pubescens Benth.

Genus Solenostemon Thonn.

Species Solenostemon scutellarioides (L.) Codd

Genus Stachys L.

Species Stachys palustris L.

subspecies Stachys palustris L. ssp. pilosa (Nutt.) Epling

variety Stachys palustris L. var. pilosa (Nutt.) Fernald

Species Stachys sylvatica L.

Species Stachys chamissonis Bentham

variety Stachys chamissonis Bentham var. cooleyae (A. Heller) G. Mulligan & D. B. Munro

Species Stachys pilosa Nutt.

variety Stachys pilosa Nutt. var. pilosa

Genus Thymus L.

Species Thymus longicaulis C. Presl

Species Thymus marschallianus Willd.

Species Thymus pulegioides L.

Species Thymus praecox Opiz

subspecies Thymus praecox Opiz ssp. arcticus (Durand) Jalas

Genus Trichostema L.

Species Trichostema brachiatum L.

Genus Vitex L.

Species Vitex strickeri Vatke & Hildebrandt

Family Lentibulariaceae

Genus Pinguicula L.

Species Pinguicula alpina L.

Species Pinguicula lutea Walter

Species Pinguicula vulgaris L.

subspecies Pinguicula vulgaris L. ssp. macroceras (Link) Calder & Roy L. Taylor

subspecies Pinguicula vulgaris L. ssp. vulgaris

Genus Utricularia L.

Species Utricularia geminiscapa Benj.

Species Utricularia gibba L.

Species Utricularia intermedia Hayne

Species Utricularia macrorhiza Leconte

Species Utricularia minor L.

Species Utricularia ochroleuca R. W. Hartm.

Species Utricularia purpurea Walter

Species Utricularia resupinata B. D. Greene ex Bigelow

Species Utricularia verticillata Benj.

Species Utricularia vulgaris L.

subspecies Utricularia vulgaris L. ssp. macrorhiza (Leconte) R. T. Clausen

variety Utricularia vulgaris L. var. americana (L.) Nieuwl. & Lunell

Family Linderniaceae

Genus Lindernia All.

Species Lindernia procumbens (Krock.) Borbás

Family Martyniaceae

Genus Proboscidea Schmidel

Species Proboscidea parviflora (Wooton) Wooton & Standl.

Family Mazaceae Reveal

Genus Mazus Loureiro

Species Mazus stachydifolius (Turcz.) Maxim.

Family Oleaceae

Genus Fraxinus L.

Species Fraxinus anomala Torr. ex S. Wats.

Species Fraxinus caroliniana Mill.

Species Fraxinus dipetala Hook. & Arn.

Species Fraxinus diversifolia Ait.

Species Fraxinus excelsior L.

Species Fraxinus nigra Marshall

Species Fraxinus oregona Nutt.

Species Fraxinus ornus L.

Species Fraxinus americana L.

form Fraxinus americana L. forma iodocarpa Fernald

Species Fraxinus velutina Torr.

variety Fraxinus velutina Torr. var. coriacea (S. Wats.) Rehder

Genus Syringa amurensis Rupr.

Genus Chionanthus L.

Species Chionanthus quadristamineus F. Muell.

Species Chionanthus virginicus L.

Genus Forsythia Vahl

Species Forsythia europaea Degen & Bald.

Species Forsythia ovata Nakai

Species Forsythia suspensa (Thunb.) Vahl

variety Forsythia suspensa (Thunb.) Vahl var. fortunei (Lindl.) Rehder

Species Forsythia viridissima Lindl.

Species Forsythia × intermedia Zabel

Genus Jasminum L.

Species Jasminum dichotomum Vahl

Species Jasminum fluminense Vell.

Genus Ligustrum L.

Species Ligustrum acuminatum Koehne

Species Ligustrum microcarpum Kaneh. & Sasaki

Species Ligustrum obtusifolium Siebold & Zucc.

Species Ligustrum vulgare L.

Genus Menodora Bonpl.

Species Menodora scabra A. Gray

Species Menodora spinescens A. Gray

Genus Olea L.

Species Olea europaea L.

Genus Syringa L.

Species Syringa microphylla Diels

Species Syringa persica L.

Species Syringa vulgaris L.

Family Orobanchaceae

Genus Agalinis Rafinesque

Species Agalinis tenuifolia (Vahl) Rafinesque

Genus Aphyllon Mitch.

Species Aphyllon fasciculatum (Nutt.) Torr. & A. Gray

Species Aphyllon purpureum (A. Heller) Holub

Species Aphyllon uniflorum (L.) A. Gray

Genus Bartsia L.

Species Bartsia alpina L.

Genus Castilleja Mutis ex L. f.

Species Castilleja acuminata Pursh

Species Castilleja caudata Rebrecht

Species Castilleja cervina Greenm.

Species Castilleja cusickii Greenm.

Species Castilleja elegans Malte

Species Castilleja hispida Benth.

Species Castilleja miniata Douglas ex Hook.

Species Castilleja pallida (L.) Kunth

subspecies Castilleja pallida (L.) Kunth ssp. caudata Pennell

Species Castilleja raupii Pennell

subspecies Castilleja raupii Pennell ssp. raupii

subspecies Castilleja raupii Pennell ssp. ursina Pennell

Species Castilleja rhexiifolia Rydb.

Species Castilleja rupicola Piper ex Fern.

Species Castilleja septentrionalis Lindl.

Species Castilleja sulphurea Rydb.

Species Castilleja thompsonii Pennell

Species Castilleja unalaschcensis (Cham. & Schltdl.) Malte

Genus Conopholis Wallr.

Species Conopholis americana (L.) Wallr.

Species Conopholis mexicana A. Gray ex S. Wats.

Genus Epifagus Nutt.

Species Epifagus virginiana (L.) W. P. C. Barton

Genus Euphrasia L.

Species Euphrasia arctica Lange ex Rostrup

Species Euphrasia disjuncta Fern. & Wiegand

Species Euphrasia hudsoniana Fernald & Wiegand

Species Euphrasia nemorosa (Pers.) Wettst.

Species Euphrasia stricta J. P. Wolff ex J. F. Lehm.

Species Euphrasia subarctica Raup

Genus Melampyrum L.

Species Melampyrum herbichii Woloszcz.

Species Melampyrum lineare Desr.

Species Melampyrum nemorosum L.

Species Melampyrum pratense L.

Genus Odontites Ludw.

Species Odontites serotina (Lam.) Dumort.

Genus Orobanche L.

Species Orobanche coerulescens Stephan

Species Orobanche comosa Wallr.

Species Orobanche fasciculata Nutt.

Species Orobanche purpurea Jacq.

Genus Orthantha (Benth.) A. Kern.

Species Orthantha lutea (L.) A. Kern. ex Wettst.

Genus Orthocarpus Nutt.

Species Orthocarpus luteus Nutt.

Species Orthocarpus purpureoalbus A. Gray ex S. Watson

Species Orthocarpus tenuifolius (Pursh) Benth.

Species Orthocarpus tolmiei Hook. & Arn.

Species Orthocarpus purpurascens Benth.

variety Orthocarpus purpurascens Benth. var. latifolius S. Watson

variety Orthocarpus purpurascens Benth. var. ornatus Jeps.

variety Orthocarpus purpurascens Benth. var. pallidus D. D. Keck

variety Orthocarpus purpurascens Benth. var. palmeri A. Gray

Genus Parentucellia Viv.

Species Parentucellia viscosa (L.) Caruel

Genus Pedicularis L.

Species Pedicularis adamsii Hultén

Species Pedicularis albolabiata (Hultén) Kozhevnikov

Species Pedicularis amoena Adams ex Steven

Species Pedicularis attollens A. Gray

Species Pedicularis capitata Adams

Species Pedicularis contorta Benth.

Species Pedicularis groenlandica Retz.

Species Pedicularis hirsuta L.

Species Pedicularis labradorica Wirsing

Species Pedicularis lanata Willd. ex Steven

Species Pedicularis lapponica L.

Species Pedicularis parviflora Sm.

Species Pedicularis kanei Durand

subspecies Pedicularis kanei Durand ssp. kanei

Species Pedicularis parryi A. Gray

variety Pedicularis parryi A. Gray var. purpurea Parry

Species Pedicularis racemosa Dougl. ex Hook.

variety Pedicularis racemosa Dougl. ex Hook. var. alba (Pennell) Cronquist

variety Pedicularis racemosa Dougl. ex Hook. var. racemosa

Species Pedicularis sudetica Willd.

variety Pedicularis sudetica Willd. var. gymnocephala Trautv.

Genus Rhinanthus L.

Species Rhinanthus borealis Chab.

Species Rhinanthus crista-galli L.

Species Rhinanthus minor L.

subspecies Rhinanthus minor L. ssp. groenlandicus (Chabert) Neuman

Species Rhinanthus serotinus (Schonheit) Oborny

Family Phrymaceae

Genus Erythranthe Spach

Species Erythranthe floribunda (Lindley) G. L. Nesom

Species Erythranthe lewisii (Pursh) G. L. Nesom & N. S. Fraga

Genus Mimulus L.

Species Mimulus geyeri Torr.

Species Mimulus lewisii Pursh

Species Mimulus moschatus Douglas ex Lindley

Species Mimulus guttatus Fisch. ex DC.

variety Mimulus guttatus Fisch. ex DC. var. guttatus

Genus Phryma L.

Species Phryma leptostachya L.

Family Plantaginaceae

Tribe Angelonieae

Genus Ourisia Comm. ex Juss.

Species Ourisia macrophylla Hook.

Tribe Antirrhineae

Genus Chaenorhinum (DC.) Rchb.

Species Chaenorhinum minus (L.) Lange

Genus Cymbalaria Hill

Species Cymbalaria muralis P. Gaertn., B. Mey. & Scherb.

Genus Linaria Mill.

Species Linaria dalmatica (L.) Mill.

Species Linaria repens (L.) Mill.

Species Linaria vulgaris Hill

Genus Nuttallanthus D. A. Sutton

Species Nuttallanthus texanus (Scheele) D. A. Sutton

Tribe Callitricheae

Genus Callitriche L.

Species Callitriche cophocarpa Sendtner

Species Callitriche hamulata Kutz. apud Reichenb.

Species Callitriche hermaphroditica L.

Species Callitriche heterophylla Pursh

subspecies Callitriche heterophylla Pursh ssp. bolanderi (Hegelm.) Calder & Roy L. Taylor

Species Callitriche intermedia Hoffm.

Species Callitriche palustris L.

Species Callitriche polymorpha Loennr.

Species Callitriche stagnalis Scop.

Species Callitriche stenoptera Lansdown

Genus Hippuris L.

Species Hippuris tetraphylla L. f.

Species Hippuris vulgaris L.

form Hippuris vulgaris L. forma fluviatilis Glück

form Hippuris vulgaris L. forma litoralis Lindb. f.

Tribe Cheloneae

Genus Nothochelone (A. Gray) Straw

Species Nothochelone nemorosa (Douglas ex Lindley) Straw

Genus Penstemon Schmidel

Species Penstemon albertinus Greene

Species Penstemon albidus Nutt.

Species Penstemon attenuatus Douglas ex Lindl.

Species Penstemon bridgesii A. Gray

Species Penstemon confertus Douglas ex Lindl.

Species Penstemon cyananthus Hook.

Species Penstemon cyanocaulis Payson

Species Penstemon ellipticus J. M. Coult. & E. Fisch.

Species Penstemon eriantherus Pursh

Species Penstemon fendleri Torr. & A. Gray

Species Penstemon fruticosus (Pursh) Greene

subspecies Penstemon fruticosus (Pursh) Greene ssp. scouleri Pennell & D. D. Keck

Species Penstemon gairdneri Hook.

Species Penstemon glandulosus Douglas

Species Penstemon gormanii Greene

Species Penstemon lyallii A. Gray

Species Penstemon nitidus Douglas ex Benth.

Species Penstemon palmeri A. Gray

Species Penstemon pseudoputus (Crosswh.) N. H. Holmgren

Species Penstemon rostriflorus Kellogg

Species Penstemon scouleri Douglas ex Lindl.

Species Penstemon serrulatus Menzies ex Sm.

Species Penstemon virens Pennell ex Rydb.

Species Penstemon whippleanus A. Gray

Species Penstemon wilcoxii Rydb.

Species Penstemon barbatus (Cav.) Roth

variety Penstemon barbatus (Cav.) Roth var. trichander A. Gray

Species Penstemon davidsonii Greene

variety Penstemon davidsonii Greene var. menziesii (D. D. Keck) Cronquist

Species Penstemon gracilis Nutt.

form Penstemon gracilis Nutt. forma scogganii B. Boivin

Tribe Digitalideae

Genus Digitalis L.

Species Digitalis purpurea L.

Tribe Globularieae

Genus Globularia L.

Species Globularia punctata Lapeyr.

Tribe Plantagineae

Genus Littorella P. J. Bergius

Species Littorella uniflora Asch.

Genus Plantago L.

Species Plantago canescens Adams

subspecies Plantago canescens Adams ssp. richardsonii (Decne.) Tzvelev

variety Plantago canescens Adams var. cylindrica (J. M. Macoun) B. Boivin

Species Plantago depressa Willd.

Species Plantago elongata Pursh

subspecies Plantago elongata Pursh ssp. elongata

variety Plantago elongata Pursh var. elongata

Species Plantago eriopoda Torr.

Species Plantago hirtella Kunth

Species Plantago juncoides Lam.

variety Plantago juncoides Lam. var. glauca (Hornem.) Fernald

Species Plantago lanceolata L.

Species Plantago macrocarpa Cham. & Schlecht.

Species Plantago major L.

subspecies Plantago major L. ssp. major

variety Plantago major L. var. asiatica (L.) Decne.

variety Plantago major L. var. cornutii (Gouan) F. M.Bailey

variety Plantago major L. var. dumanii Lepage

variety Plantago major L. var. major

variety Plantago major L. var. ungavensis Lepage

form Plantago major L. forma microstachya Pilg.

form Plantago major L. forma paniculata Domin

Species Plantago media L.

Species Plantago montana Lam.

Species Plantago psyllium L.

Species Plantago purshii Roem. & Schult.

Species Plantago pusilla Nutt.

Species Plantago rugelii Decne.

Species Plantago septata E. Morris

Species Plantago tweedyi A. Gray

Species Plantago virginica L.

Species Plantago hookeriana Fisch. & C. A. Mey.

variety Plantago hookeriana Fisch. & C. A. Mey. var. californica Poe

Species Plantago maritima L.

subspecies Plantago maritima L. ssp. borealis (Lange) A. Blytt

subspecies Plantago maritima L. ssp. juncoides (Lam.) Hultén

Species Plantago patagonica Jacq.

variety Plantago patagonica Jacq. var. patagonica

variety Plantago patagonica Jacq. var. spinulosa (Decne.) A. Gray

variety Plantago major L. var. pachyphylla Pilg.

variety Plantago major L. var. pilgeri Domin

Tribe Veroniceae

Genus Lagotis Gaertn.

Species Lagotis glauca Gaertn.

subspecies Lagotis glauca Gaertn. ssp. minor (Willd.) Hultén

Genus Veronica L.

Species Veronica agrestis L.

Species Veronica alpina L.

variety Veronica alpina L. var. unalaschcensis Cham. & Schltdl.

Species Veronica americana Schwein. ex Benth.

Species Veronica anagallis-aquatica L.

Species Veronica arvensis L.

Species Veronica austriaca L.

Species Veronica chamaedrys L.

Species Veronica filiformis Sm.

Species Veronica humifusa Dicks.

Species Veronica longifolia L.

Species Veronica officinalis L.

Species Veronica peregrina L.

variety Veronica peregrina L. var. peregrina

variety Veronica peregrina L. var. xalapensis (Kunth) Pennell

Species Veronica scutellata L.

Species Veronica serpyllifolia L.

subspecies Veronica serpyllifolia L. ssp. humifusa (Dicks.) Syme

variety Veronica serpyllifolia L. var. humifusa (Dicks.) Vahl

Species Veronica verna L.

Species Veronica wyomingensis (A. Nelson) M. M. Martinéz Ortega & Albach

Species Veronica wormskjoldii Roem. & Schult.

subspecies Veronica wormskjoldii Roem. & Schult. ssp. alterniflora (Fern.) Pennell

Genus Veronicastrum Heist. ex Fabr.

Species Veronicastrum virginicum (L.) Farw.

Genus Sibthorpia L.

Genus Collinsia Nutt.

Species Collinsia parviflora Douglas ex Lindl.

Species Collinsia grandiflora Douglas ex Lindl.

variety Collinsia grandiflora Douglas ex Lindl. var. pusilla A. Gray

Genus Maurandella (A. Gray) Rothm.

Species Maurandella antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm.

Family Scrophulariaceae

Genus Buddleja L.

Species Buddleja davidii Franch.

Genus Celsia L.

Species Celsia arcturus (L.) L.

Genus Limosella L.

Species Limosella aquatica L.

Genus Myoporum Banks & Sol. ex G.Forst.

Species Myoporum sandwicense A. Gray

Genus Verbascum L.

Species Verbascum phlomoides L.

Species Verbascum thapsus L.

Family Verbenaceae

Genus Chascanum E. Mey.

Species Chascanum marrubiifolium Fenzl ex Walp.

Genus Glandularia J.F. Gmel.

Species Glandularia gooddingii (Briq.) Solbrig

Genus Lantana L.

Species Lantana camara L.

Species Lantana hypoleuca Briq.

Species Lantana viburnoides (Forssk.) Vahl

Genus Lippia L.

Species Lippia cuneifolia Steud.

Species Lippia incisa (Small) E. D. Schulz

Species Lippia lanceolata Michx.

variety Lippia lanceolata Michx. var. recognita Fernald & Griscom

Genus Phyla Lour.

Species Phyla cuneifolia (Torr.) Greene

Species Phyla dulcis (Trevir.) Moldenke

Genus Stachytarpheta Vahl

Species Stachytarpheta jamaicensis (L.) Vahl

Genus Verbena L.

Species Verbena ambrosiifolia Rydb. ex Small

Species Verbena bracteata Lag. & Rodr.

Species Verbena bracteosa Michx.

Species Verbena canadensis (L.) Britton

Species Verbena ciliata Benth.

Species Verbena halei Small

Species Verbena hastata L.

Species Verbena longifolia M. Martens & Galeotti

Species Verbena officinalis L.

Species Verbena prostrata R. Br.

Species Verbena simplex Lehm.

Species Verbena stricta Vent.

Species Verbena urticifolia L.

Order Malpighiales

Family Elatinaceae

Genus Elatine L.

Species Elatine hydropiper L.

Family Erythroxylaceae

Genus Erythroxylum P. Browne

Species Erythroxylum emarginatum Thonn.

Species Erythroxylum minutifolium Griseb.

Family Euphorbiaceae

Genus Acalypha L.

Species Acalypha virginica L.

Species Acalypha fruticosa Forssk.

variety Acalypha fruticosa Forssk. var. fruticosa

Genus Amperea A. Juss.

Species Amperea xiphoclada (Sieber ex Spreng.) Druce

Genus Argythamnia P. Browne

Species Argythamnia neomexicana Müll. Arg.

Genus Baloghia Endl.

Species Baloghia lucida Endl.

Genus Chamaesyce Gray

Species Chamaesyce albomarginata (Torr. & A. Gray) Small

Species Chamaesyce capitellata (Engelm.) Millsp.

Species Chamaesyce hyssopifolia (L.) Small

Species Chamaesyce melanadenia (Torr.) Millsp.

Species Chamaesyce micromera (Boiss.) Wooton & Standl.

Species Chamaesyce revoluta (Engelm.) Small

Species Chamaesyce serpyllifolia (Pers.) Small

subspecies Chamaesyce serpillifolia (Persoon) Small ssp. serpillifolia

Species Chamaesyce polycarpa (Benth.) Millsp.

variety Chamaesyce polycarpa (Benth.) Millsp. var. hirtella (Boiss.) Millsp.

Genus Clutia Boerh. ex L.

Species Clutia robusta Pax

Genus Cnidoscolus Pohl

Species Cnidoscolus texanus (Müll. Arg.) Small

Genus Croton L.

Species Croton californicus Müll. Arg.

variety Croton californicus Müll. Arg. var. mohavensis A. M. Ferguson

Species Croton capitatus Michx.

Species Croton nummulariifolius A. Rich.

Species Croton pseudopulchellus Pax

Species Croton texensis (Klotzsch) Müll. Arg.

Genus Dalechampia L.

Species Dalechampia scandens L.

variety Dalechampia scandens L. var. hildebrandtii (Pax) Pax

Genus Eremocarpus Benth.

Species Eremocarpus setigerus (Hook.) Benth.

Genus Erythrococca Benth.

Species Erythrococca bongensis Pax

Genus Euphorbia L.

Species Euphorbia agraria M. Bieberstein

Species Euphorbia albomarginata Torr. & A. Gray

Species Euphorbia amygdaloides L.

Species Euphorbia brachycera Engelm.

Species Euphorbia capitellata Engelm.

Species Euphorbia carunculata Waterf.

Species Euphorbia chamaesula Boiss.

Species Euphorbia corollata L.

Species Euphorbia cyparissias L.

Species Euphorbia cyparissioides Pax

Species Euphorbia discolor Ledeb.

Species Euphorbia dulcis L.

Species Euphorbia esula L.

Species Euphorbia fendleri Torr. & A. Gray

Species Euphorbia geyeri Engelm.

Species Euphorbia glyptosperma Engelm.

Species Euphorbia helioscopia L.

Species Euphorbia hyssopifolia L.

Species Euphorbia lathyris L.

Species Euphorbia maculata L.

Species Euphorbia marginata Pursh

Species Euphorbia missurica Raf.

Species Euphorbia palustris L.

Species Euphorbia peplus L.

Species Euphorbia platyphylla L.

Species Euphorbia polycarpa Benth.

variety Euphorbia polycarpa Benth. var. hirtella Boiss.

Species Euphorbia polygonifolia L.

Species Euphorbia serpyllifolia Pers.

variety Euphorbia serpyllifolia Pers. var. rugulosa Engelm. ex Millsp.

Species Euphorbia setiloba Engelm. ex Torr.

Species Euphorbia tomentulosa S. Wats.

Species Euphorbia vermiculata Raf.

Species Euphorbia verrucosa L.

Species Euphorbia virgata Waldst. & Kit.

Species Euphorbia xanti Engelm. ex Boiss.

Species Euphorbia seguieriana Neck.

subspecies Euphorbia seguieriana Neck. ssp. seguieriana

Genus Excoecaria L.

Species Excoecaria agallocha L.

Genus Mallotus Lour.

Species Mallotus oppositifolius (Geiseler) Müll. Arg.

Genus Mercurialis L.

Species Mercurialis annua L.

Species Mercurialis perennis L.

Genus Reverchonia A. Gray

Species Reverchonia arenaria A. Gray

Genus Ricinocarpos Desf.

Species Ricinocarpos pinifolius Desf.

Genus Ricinus L.

Species Ricinus communis L.

Genus Securinega Comm. ex Juss.

Species Securinega virosa (Roxb. ex Willd.) Baill.

Genus Stillingia Garden ex L.

Species Stillingia sylvatica L.

Genus Suregada Roxb. ex Rottler

Species Suregada zanzibariensis Baill.

Family Hypericaceae

Genus Hypericum L.

Species Hypericum anagalloides Cham. & Schltdl.

Species Hypericum ascyron L.

Species Hypericum aspalathoides Willd.

Species Hypericum boreale (Britton) E. P. Bicknell

Species Hypericum buckleyi M. A. Curtis

Species Hypericum calycinum L.

Species Hypericum densiflorum Pursh

Species Hypericum denticulatum Walter

Species Hypericum desetangsii Lamotte

Species Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray

Species Hypericum ellipticum Hook.

Species Hypericum formosum Kunth

Species Hypericum graveolens Buckley

Species Hypericum humifusum L.

Species Hypericum kalmianum L.

Species Hypericum lobocarpum Gatt.

Species Hypericum maculatum Crantz

Species Hypericum mutilum L.

Species Hypericum nudicaule Walter

Species Hypericum nudiflorum Michx.

Species Hypericum perforatum L.

Species Hypericum prolificum L.

Species Hypericum punctatum Lam.

Species Hypericum pyramidatum Aiton

Species Hypericum scabrum L.

Species Hypericum scouleri Hook.

Species Hypericum sphaerocarpum Michx.

Species Hypericum virginicum L.

variety Hypericum virginicum L. var. fraseri (Spach) Fernald

Species Hypericum canadense L.

variety Hypericum canadense L. var. canadense

Species Hypericum galioides Lam.

variety Hypericum galioides Lam. var. reductum Svenson

Genus Triadenum Raf.

Species Triadenum fraseri (Spach) Gleason

Species Triadenum virginicum (L.) Raf.

Family Linaceae

Genus Linum L.

Species Linum californicum Benth.

Species Linum catharticum L.

Species Linum compactum A. Nelson

Species Linum grandiflorum Desf.

Species Linum kingii S. Wats.

Species Linum lepagei B. Boivin

Species Linum medium (Planch.) Britton

Species Linum micranthum A. Gray

Species Linum rigidum Pursh

Species Linum striatum Walter

Species Linum subteres (Trel.) H. J. P. Winkl.

Species Linum sulcatum Riddell

Species Linum tenuifolium L.

Species Linum usitatissimum L.

Species Linum lewisii Pursh

variety Linum lewisii Pursh var. lewisii

Species Linum perenne L.

variety Linum perenne L. var. lewisii (Pursh) Eaton & Wright

Genus Radiola Hill

Species Radiola linoides Roth

Family Malpighiaceae

Genus Tetrapterys microphylla Nied.

Genus Janusia A. Juss.

Species Janusia gracilis A. Gray

Family Ochnaceae

Genus Ochna L.

Species Ochna ovata F. Hoffm.

Species Ochna thomasiana Engl. & Gilg

Family Passifloraceae

Genus Malesherbia Ruiz & Pav.

Species Malesherbia fasciculata D. Don

Genus Passiflora L.

Species Passiflora incarnata L.

Species Passiflora subpeltata Ortega

Family Phyllanthaceae

Genus Bridelia Willd.

Species Bridelia micrantha (Hochst.) Baill.

Species Bridelia cathartica G. Bertol.

subspecies Bridelia cathartica G. Bertol. ssp. melanthesoides (Klotzsch ex Baill.) J. Léonard

Family Putranjivaceae

Genus Drypetes Vahl

Species Drypetes australasica (Müll. Arg.) Pax & K. Hoffm.

Species Drypetes reticulata Pax

Family Salicaceae

Genus Azara Ruiz & Pav.

Species Azara gilliesii Hook. & Arn.

Genus Populus L.

Species Populus acuminata Rydb.

Species Populus adenopoda Maxim.

Species Populus angustifolia E. James

Species Populus balsamifera L.

subspecies Populus balsamifera L. ssp. balsamifera

subspecies Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray) Brayshaw

Species Populus betulifolia Pursh

Species Populus candicans Aiton

Species Populus canescens (Aiton) Sm.

Species Populus deltoides W. Bartram ex Marshall

subspecies Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder

variety Populus deltoides W. Bartram ex Marshall var. occidentalis Rydberg

Species Populus grandidentata Michx.

Species Populus hybrida M. Bieb.

Species Populus kanjilaliana Dode

Species Populus laurifolia Ledeb.

Species Populus maximowiczii A. Henry

Species Populus morisetiana Dode

Species Populus nigra L.

Species Populus nivea Willd.

Species Populus paletskyana Dode

Species Populus sargentii Dode

Species Populus suaveolens Fisch.

Species Populus tacamahacca Mill.

Species Populus tomentosa C. K. Schneid.

Species Populus tristis Fisch.

Species Populus × berolinensis K. Koch

Species Populus × jackii Sarg.

Species Populus alba L.

form Populus alba L. forma pyramidalis Dipp.

Species Populus tremula L.

subspecies Populus tremula L. ssp. davidiana (Dode) Hultén

Species Populus tremuloides Michx.

form Populus tremuloides Michx. forma pendula Jaeger & Beissner

Genus Salix L.

Species Salix acutifolia Willd.

Species Salix alaxensis (Andersson) Coville × Salix drummondiana Barratt ex Hooker

Species Salix alba L.

Species Salix amygdaloides Andersson

Species Salix arbusculoides Andersson

Species Salix arbusculoides Andersson × Salix planifolia Pursh

Species Salix arbutifolia Pall.

Species Salix arctica Pall.

Species Salix arctica Pall. × Salix stolonifera Coville

Species Salix arctolittoralis Hultén

Species Salix arctophila Cockerell ex A. Heller

Species Salix athabascensis Raup

Species Salix ballii Dorn

Species Salix barclayi Andersson

Species Salix barrattiana Hook.

Species Salix bebbiana Sarg.

variety Salix bebbiana Sarg. var. depilis Raup

variety Salix bebbiana Sarg. var. perrostrata (Rydberg) C. K. Schneider

Species Salix boothii Dorn

Species Salix calcicola Fernald & Wiegand

Species Salix candida Fluegge ex Willd.

Species Salix caprea L.

Species Salix caudata (Nutt.) A. Heller

Species Salix cinerea L.

Species Salix columbiae A. Nelson & J. F. Macbr.

Species Salix cordata Michx.

Species Salix dasyclados Wimm.

Species Salix discolor Muhl.

Species Salix dodgeana Rydb.

Species Salix drummondiana Barr. ex Hook.

variety Salix drummondiana Barr. ex Hook. var. subcoerulea (Piper) C. R. Ball

Species Salix exigua Nutt.

subspecies Salix exigua Nutt. ssp. exigua

subspecies Salix exigua Nutt. ssp. interior (Rowlee) Cronquist

Species Salix famelica (C. R. Ball) Argus

Species Salix farriae C. R. Ball

variety Salix farriae C. R. Ball var. walpolei Coville & C. R. Ball

Species Salix fuscescens Andersson

Species Salix glauca L.

subspecies Salix glauca L. ssp. acutifolia (Hook.) Hultén

subspecies Salix glauca L. ssp. desertorum (Richardson) Andersson ex Hultén

subspecies Salix glauca L. ssp. glabrescens (Andersson) Hultén

subspecies Salix glauca L. ssp. villosa (D. Don ex Hook.) E. Murray

variety Salix glauca L. var. cordifolia (Pursh) Dorn

variety Salix glauca L. var. acutifolia (Hook.) C. K. Schneid.

variety Salix glauca L. var. aliceae C.R. Ball

variety Salix glauca L. var. glauca

variety Salix glauca L. var. stipulata Floderus

variety Salix glauca L. var. villosa (D. Don) Andersson

Species Salix glaucops Andersson

Species Salix hastata L.

Species Salix hookeriana Barratt ex Hooker

Species Salix humilis Marshall

Species Salix interior Rowlee

Species Salix laevigata Bebb

Species Salix lasiandra Benth.

variety Salix lasiandra Benth. var. lasiandra

Species Salix lasiolepis Benth.

Species Salix longistylis Rydb.

Species Salix lucida Muhl.

subspecies Salix lucida Muhl. ssp. caudata (Nutt.) A. E. Murray

subspecies Salix lucida Muhl. ssp. lasiandra (Benth.) Argus

variety Salix lucida Muhl. var. lasiandra (Bentham) Cronquist

Species Salix lutea Nutt.

Species Salix maccalliana Rowlee

Species Salix melanopsis Nutt.

Species Salix miyabeana Seemen

Species Salix miyabeana Seemen × Salix purpurea L.

Species Salix miyabeana Seemen × Salix sachalinensis F. Schmidt

Species Salix miyabeana Seemen × Salix viminalis L.

Species Salix monticola Bebb

Species Salix myrtillifolia Andersson

variety Salix myrtillifolia Andersson var. cordata (Andersson) Dorn

variety Salix myrtillifolia Andersson var. myrtillifolia

Species Salix myrtilloides L.

Species Salix niphoclada Rydb.

Species Salix nivalis Hook.

Species Salix ovalifolia Trautv.

Species Salix padophylla Rydb.

Species Salix pedicellaris Pursh

variety Salix pedicellaris Pursh var. hypoglauca Fernald

Species Salix pentandra L.

Species Salix pentandra L. × Salix euxina Belyaeva

Species Salix petiolaris J. E. Smith

Species Salix phlebophylla Andersson

Species Salix phylicifolia L.

Species Salix planifolia Pursh

subspecies Salix planifolia Pursh ssp. planifolia

subspecies Salix planifolia Pursh ssp. pulchra (Cham.) Argus

Species Salix polaris Wahlenb.

Species Salix prolixa Andersson

Species Salix pseudomonticola Ball

Species Salix pseudomyrsinites Andersson

Species Salix pseudopolaris Flod.

Species Salix pulchra Cham.

variety Salix pulchra Cham. var. yukonensis C. K. Schneid.

Species Salix purpurea L.

Species Salix pyrifolia Anderss.

Species Salix reticulata L.

subspecies Salix reticulata L. ssp. nivalis (Hook.) Á. Löve, D. Löve & B. M. Kapoor

Species Salix richardsonii Hook.

Species Salix rigida Muhl.

Species Salix rosmarinifolia L.

Species Salix sachalinensis F. Schmidt

Species Salix scouleriana Barratt ex Hook.

variety Salix scouleriana Barratt ex Hook. var. coetanea C. R. Ball

Species Salix serissima (L. H. Bailey) Fern.

Species Salix silicicola Raup

Species Salix turnorii Raup

Species Salix vestita Pursh

Species Salix viminalis L.

Species Salix × fragilis L.

Species Salix alaxensis (Andersson) Coville

subspecies Salix alaxensis (Andersson) Coville ssp. alaxensis

variety Salix alaxensis (Andersson) Coville var. longistylis (Rydb.) C.K. Schneid.

Species Salix brachycarpa Nutt.

subspecies Salix brachycarpa Nutt. ssp. brachycarpa

subspecies Salix brachycarpa Nutt. ssp. niphoclada (Rydb.) Argus

variety Salix brachycarpa Nutt. var. brachycarpa

variety Salix brachycarpa Nutt. var. glabellicarpa C. K. Schneid.

variety Salix brachycarpa Nutt. var. psammophila Raup

Species Salix eriocephala Michx.

variety Salix eriocephala Michx. var. famelica (C. R. Ball) Dorn

variety Salix eriocephala Michx. var. watsonii (Bebb) Dorn

Species Salix lanata L.

subspecies Salix lanata L. ssp. richardsonii (Hook.) A. K. Skvortsov

Species Salix repens L.

subspecies Salix repens L. ssp. repens

subspecies Salix repens ssp. rosmarinifolia (L.) Čelak.

Species Salix rotundifolia Trautvetter

variety

Genus Trimeria Harv.

subspecies Trimeria grandifolia (Hochst.) Warb. ssp. grandifolia

Family Violaceae

Genus Hybanthus Jacq.

Species Hybanthus verticillatus (Ortega) Baill.

Genus Viola L.

Species Viola langloisii Greene

Species Viola lobata Benth.

Species Viola occulta Lehm.

Species Viola ocellata Torr. & A. Gray

Species Viola papilionacea Pursh

Species Viola pedunculata Torr. & A. Gray

Species Viola adunca Sm.

variety Viola adunca Sm. var. adunca

variety Viola adunca Sm. var. bellidifolia (Greene) H. D. Harr.

variety Viola adunca Sm. var. minor (Hook.) Fernald

variety Viola adunca Sm. var. oxyceras (S. Watson) Jepson

variety Viola adunca Sm. var. uncinulata (Greene) C. L. Hitchc. & Ownbey

Species Viola aduncoides Á. Löve & D. Löve

Species Viola alba Besser

Species Viola altaica Ker Gawl.

Species Viola amurica W. Becker

Species Viola arvensis Murray

Species Viola bakeri Greene

Species Viola beckwithii Torr.

Species Viola biflora L.

Species Viola blanda Willdenow

Species Viola canina L.

Species Viola cascadensis M. S. Baker

Species Viola charlestonensis M. S. Baker & J. C. Clausen

Species Viola cognata Greene

Species Viola collina Besser × Viola hirta L.

Species Viola conspersa Reichenbach

Species Viola cucullata Aiton

Species Viola cuneata S. Watson

Species Viola douglasii Steud.

Species Viola eriocarpa Schwein.

variety Viola eriocarpa Schwein. var. leiocarpa Fernald & Wiegand

Species Viola glabella Nutt.

Species Viola gmeliniana Roem. & Schult.

Species Viola hallii A. Gray

Species Viola hastata Michx.

Species Viola howellii A. Gray

Species Viola kitaibeliana Roem. & Schult.

variety Viola kitaibeliana Roem. & Schult. var. rafinesquei (Greene) Fernald

Species Viola lanceolata L.

Species Viola langsdorffii Fisch. ex Ging.

Species Viola lutea Huds.

Species Viola macloskeyi F. E. Lloyd

Species Viola mirabilis L.

Species Viola montana L.

Species Viola nephrophylla Greene

Species Viola novae-angliae House

Species Viola nuttallii Pursh

Species Viola orbiculata Geyer ex Holz.

Species Viola ovata Nutt.

Species Viola palustris L.

variety Viola palustris L. var. brevipes (M. S. Baker) R. J. Davis

Species Viola pedata L.

Species Viola praemorsa Douglas. ex Lindl. × Viola purpurea Kellogg

Species Viola pubescens Aiton

variety Viola pubescens Aiton var. leiocarpa (Fernald & Wiegand) B. Boivin

Species Viola reichenbachiana Jordan ex Boreau

Species Viola renifolia A. Gray

variety Viola renifolia A. Gray var. brainerdii (Greene) Fernald

Species Viola repens Schwein.

Species Viola riviniana Rchb.

Species Viola rostrata Pursh

Species Viola rotundifolia Michx.

Species Viola rugulosa Greene

Species Viola rupestris F.W. Schmidt

Species Viola sacchalinensis H. Boissieu

Species Viola selkirkii Pursh ex Goldie

Species Viola sempervirens Greene

Species Viola septentrionalis Greene

Species Viola sheltonii Torr.

Species Viola striata Aiton

Species Viola sylvestris Lam.

Species Viola tomentosa M.S. Baker & J.C. Clausen

Species Viola tricolor L.

Species Viola trinervata (Howell) Howell ex A. Gray

Species Viola uniflora L.

Species Viola vallicola A. Nelson

variety Viola vallicola A. Nelson var. major (Hook.) Fabijan

variety Viola vallicola A. Nelson var. vallicola

Species Viola canadensis L.

variety Viola canadensis L. var. rugulosa (Greene) C. L. Hitchc.

Species Viola epipsila Ledeb.

subspecies Viola epipsila Ledeb. ssp. repens (Turcz.) Becker

Species Viola pensylvanica Michx.

variety Viola pensylvanica Michx. var. leiocarpa (Fernald & Wiegand) Fernald

Species Viola praemorsa Douglas ex Lindl.

subspecies Viola praemorsa Douglas ex Lindl. ssp. flavovirens (Pollard) Fabijan

subspecies Viola praemorsa Douglas ex Lindl. ssp. linguifolia (Nutt.) M. S. Baker

subspecies Viola praemorsa Douglas ex Lindl. ssp. praemorsa

Species Viola purpurea Kellogg

subspecies Viola purpurea Kellogg 4ssp. mesophyta M. S. Baker & J. C. Clausen

subspecies Viola purpurea Kellogg ssp. integrifolia M. S. Baker & J. C. Clausen

subspecies Viola purpurea Kellogg ssp. purpurea

subspecies Viola purpurea Kellogg ssp. venosa (S. Watson) M. S. Baker & J. C. Clausen

variety Viola purpurea Kellogg var. venosa (S. Watson) Brainerd

Species Viola sagittata Aiton

variety Viola sagittata Aiton var ovata (Nuttall) Torrey & A. Gray

Species Viola sororia Willd.

variety Viola sororia Willd. var. affinis (Leconte) L. E. McKinney

Species Viola tripartita Elliott

variety Viola tripartita Elliott var. glaberrima (Ging.) R. M. Harper

Species Viola pedata L. var. lineariloba DC.

Species Viola pedata L. var. pedata

variety Viola palmata L. var. cucullata (Aiton) A. Gray

Order Malvales

Family Bixaceae

Genus Cochlospermum Kunth

Species Cochlospermum gillvraei F. Muell.

Family Cistaceae

Genus Cistus L.

Species Cistus albidus L.

Genus Helianthemum Mill.

Species Helianthemum aldersonii Greene

Species Helianthemum bicknellii Fernald

Species Helianthemum canadense (L.) Michx.

Species Helianthemum nashii Britton

Species Helianthemum ovatum Dun.

Species Helianthemum scoparium Nutt. ex Torr. & A. Gray

Species Helianthemum nummularium Mill.

subspecies Helianthemum nummularium Mill. ssp. nummularium

subspecies Helianthemum nummularium Mill. ssp. obscurum Holub

Genus Hudsonia L.

Species Hudsonia tomentosa Nutt.

Genus Lechea L.

Species Lechea intermedia (Britton & Hollick) Legg.

variety Lechea intermedia (Britton & Hollick) Legg. var. depauperata Hodgdon

variety Lechea intermedia (Britton & Hollick) Legg. var. laurentiana Hodgdon

Species Lechea racemulosa Michx.

Species Lechea tenuifolia Michx.

Species Lechea villosa Elliott

Family Malvaceae

Genus Gossypium L.

Genus Abutilon Mill.

Species Abutilon fruticosum Guill. & Perr.

Species Abutilon hirtum (Lam.) Sweet

Species Abutilon longicuspe Hochst. ex A. Rich.

Species Abutilon malacum S. Watson

Species Abutilon palmeri A. Gray

Species Abutilon theophrasti Medik.

Genus Althaea L.

Species Althaea nudiflora Lindl.

Species Althaea officinalis L.

Genus Anoda Cav.

Species Anoda cristata (L.) Schltdl.

Species Anoda pentaschista A. Gray

Genus Callirhoe Nutt.

Species Callirhoe involucrata (Torr. & A. Gray) A. Gray

Genus Dombeya Cav.

Species Dombeya burgessiae Gerrard ex Harv.

Genus Eremalche Greene

Species Eremalche parryi (Greene) Greene

Genus Fremontia Torr.

Species Fremontia californica Torr.

Genus Grewia L.

Species Grewia bicolor Juss.

Species Grewia glandulosa Vahl

Species Grewia vaughanii Exell

Genus Hermannia L.

Species Hermannia exappendiculata (Mast.) K. Schum.

Species Hermannia kirkii Mast.

Genus Hibiscus L.

Species Hibiscus cannabinus L.

Species Hibiscus heterophyllus Vent.

Species Hibiscus micranthus L. f.

Species Hibiscus moscheutos L.

Species Hibiscus trionum L.

Genus Iliamna Greene

Species Iliamna bakeri Wiggins

Genus Lagunaria (DC.) Rchb.

Species Lagunaria patersonia (Andrews) G. Don

Genus Lavatera L.

Species Lavatera assurgentiflora Kellogg

Species Lavatera cachemiriana Cambess.

Species Lavatera thuringiaca L.

Genus Luehea Willd.

Species Luehea ochrophylla Mart.

Genus Malva L.

Species Malva alcea L.

Species Malva crispa (L.) L.

Species Malva moschata L.

Species Malva neglecta Wallr.

Species Malva parviflora L.

Species Malva pusilla Sm.

Species Malva rotundifolia L.

Species Malva sylvestris L.

Species Malva verticillata L.

variety Malva verticillata L. var. crispa L.

Genus Malvastrum A. Gray

Species Malvastrum coccineum A. Gray

Species Malvastrum exile A. Gray

Species Malvastrum fasciculatum (Nutt. ex Torr. & A. Gray) Greene

Species Malvastrum involucratum B. L. Rob.

Species Malvastrum rotundifolium A. Gray

Species Malvastrum densiflorum S. Wats.

variety Malvastrum densiflorum S. Wats. var. var. viscidum (Abrams) Estes

Genus Melhania Forssk.

Species Melhania ovata (Cav.) Spreng.

Genus Pimelea Banks ex Gaertn.

Species Pimelea alpina F. Muell. ex Meisn.

Species Pimelea congesta F. Muell.

Species Pimelea linifolia Sm.

Genus Sida L.

Species Sida alba L.

Species Sida speciosa Willd. ex Spreng.

Species Sida spinosa L.

Genus Sidalcea A. Gray

Species Sidalcea asprella Greene

Species Sidalcea diploscypha (Torr. & A. Gray) A. Gray ex Benth.

Species Sidalcea glaucescens Greene

Species Sidalcea hendersonii S. Wats.

Species Sidalcea malviflora (DC.) A. Gray ex Benth.

Species Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray

Species Sidalcea spicata Greene

Species Sidalcea virgata Howell

Genus Sphaeralcea A. St.-Hil

Species Sphaeralcea coccinea (Nutt.) Rydb.

Species Sphaeralcea emoryi Torr. ex A. Gray

Species Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb.

Species Sphaeralcea lindheimeri A. Gray

Species Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A. Gray

Species Sphaeralcea parvifolia A. Nelson

Species Sphaeralcea rivularis (Douglas ex Hook.) Torr.

Species Sphaeralcea ambigua A. Gray

variety Sphaeralcea ambigua A. Gray var. rosacea (Munz & I. M. Johnst.) Kearney

Genus Tilia L.

Species Tilia americana L.

Species Tilia cordata Mill.

Species Tilia heterophylla Vent.

Species Tilia platyphyllos Scop.

subspecies Tilia platyphyllos Scop. ssp. eugrandifolia Schneid.

Genus Triumfetta L.

Species Triumfetta rhomboidea Jacq.

Family Thymelaeaceae

Genus Daphne L.

Species Daphne cneorum L.

Species Daphne laureola L.

Species Daphne mezereum L.

Genus Diarthron Turcz.

Species Diarthron vesiculosum (Fisch. & C. A. Mey. ex Kar. & Kir.) C. A. Mey.

Genus Dirca L.

Species Dirca occidentalis A. Gray

Species Dirca palustris L.

Family Tiliaceae

Genus Carpodiptera Griseb.

Species Carpodiptera cubensis Griseb.

Order Myrtales

Family Lythraceae

Genus Ammannia L.

Species Ammannia coccinea Rottb.

Genus Cuphea P. Browne

Species Cuphea petiolata Pohl ex Koehne

Genus Decodon J. F. Gmel.

Species Decodon verticillatus (L.) Elliott

Genus Lythrum L.

Species Lythrum alatum Pursh

Species Lythrum californicum Torr. & A. Gray

Species Lythrum salicaria L.

Genus Peplis L.

Species Peplis portula L.

Genus Punica L.

Species Punica granatum L.

Family Onagraceae

Genus Camissonia Link

Species Camissonia confusa P. H. Raven

Genus Chamaenerion Ség.

Species Chamaenerion latifolium (L.) Sweet

Species Chamaenerion angustifolium (L.) Scopoli

subspecies Chamaenerion angustifolium (L.) Scopoli ssp. angustifolium

Genus Chamerion (Raf.) Raf. ex Holub

Species Chamerion angustifolium (L.) Holub

Species Chamerion latifolium (L.) Holub

Genus Circaea L.

Species Circaea alpina L.

subspecies Circaea alpina L. ssp. alpina

Genus Epilobium L.

Species Epilobium adenocaulon Hausskn.

Species Epilobium anagallidifolium Lam.

Species Epilobium angustifolium L.

subspecies Epilobium angustifolium L. ssp. angustifolium

subspecies Epilobium angustifolium L. ssp. circumvagum Mosquin

form Epilobium angustifolium L. forma albiflorum E. L. Rand & Redfield

Species Epilobium brachycarpum C. Presl

Species Epilobium campestre (Jepson) Hoch & W. L. Wagner

Species Epilobium ciliatum Raf.

subspecies Epilobium ciliatum Raf. ssp. ciliatum

subspecies Epilobium ciliatum Raf. ssp. glandulosum (Lehm.) Hoch & P. H. Raven

Species Epilobium davuricum Fisch. ex Hornem.

Species Epilobium foliosum (Torrey & A. Gray) Suksdorf

Species Epilobium glaberrimum Barbey

Species Epilobium glandulosum Lehm.

variety Epilobium glandulosum Lehm. var. tenue (Trel.) C. L. Hitchc. & Ownbey

Species Epilobium hornemannii Rchb.

subspecies Epilobium hornemannii Rchb. ssp. hornemannii

Species Epilobium latifolium L.

subspecies Epilobium latifolium L. ssp. latifolium

Species Epilobium leptophyllum Raf.

Species Epilobium oregonense Hausskn.

Species Epilobium palustre L.

Species Epilobium paniculatum Nutt. ex Torr. & A. Gray

Species Epilobium alpinum L.

variety Epilobium alpinum L. var. clavatum (Trel.) C. L. Hitchc.

Genus Gaura L.

Species Gaura coccinea Pursh

Genus Oenothera L.

Species Oenothera andina Nuttall

Species Oenothera biennis L.

variety Oenothera biennis L. var. hirsutissima A. Gray ex S. Watson

Species Oenothera caespitosa Nutt.

Species Oenothera nuttallii Sweet

Species Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson

Species Oenothera serrulata Nutt.

Species Oenothera pallida Lindley

subspecies Oenothera pallida Lindley ssp. pallida

Order Oxalidales

Family Connaraceae

Genus Jaundea Gilg

Species Jaundea pinnata (P. Beauv.) G. Schellenb.

Family Cunoniaceae

Genus Bauera Banks ex H. C. Andrews

Species Bauera rubioides N. Andr.

Genus Callicoma Andrews

Species Callicoma serratifolia Andrews

Genus Ceratopetalum Smith

Species Ceratopetalum apetalum D. Don

Genus Eucryphia Cav.

Species Eucryphia milliganii Hook. f.

Species Eucryphia moorei F. Muell.

Genus Weinmannia L.

Species Weinmannia racemosa L. f.

Family Elaeocarpaceae

Genus Tetratheca Sm.

Species Tetratheca ericifolia Sm.

Species Tetratheca shiressii Blakely

Family Oxalidaceae

Genus Biophytum DC.

Species Biophytum petersianum Klotzsch

Genus Oxalis Lehm.

Species Oxalis acetosella L.

Species Oxalis albicans Kunth

Species Oxalis californica (Abrams) R. Knuth

Species Oxalis cernua Thunb.

Species Oxalis corniculata L.

Species Oxalis europaea Jord.

Species Oxalis floribunda Lehm.

Species Oxalis montana Raf.

Species Oxalis oregana Nutt.

Species Oxalis stricta L.

Species Oxalis trilliifolia Hook.

Species Oxalis violacea L.

Order Paracryphiales

Family Paracryphiaceae

Genus Quintinia A. DC.

Species Quintinia verdonii F. Muell.

Order Proteales

Family Platanaceae

Genus Platanus L.

Species Platanus occidentalis L.

form Platanus occidentalis L. forma attenuata Sarg.

Species Platanus racemosa Nutt.

Family Proteaceae

Genus Adenanthos Labill.

Genus Synaphea R. Br.

Genus Banksia L. f.

Species Banksia ericifolia L. f.

Species Banksia integrifolia L. f.

Species Banksia marginata Cav.

Species Banksia serrata L. f.

Genus Conospermum Smith

Species Conospermum brownii Meisn.

Species Conospermum ellipticum Sm.

Species Conospermum ericifolium Sm.

Species Conospermum longifolium Sm.

variety Conospermum longifolium Sm. var. longifolium

Genus Grevillea R. Br. ex Knight

Species Grevillea acanthifolia A. Cunn.

Species Grevillea aquifolium Lindl.

Species Grevillea australis R. Br.

Species Grevillea buxifolia (Sm.) R. Br.

Species Grevillea linearifolia (Cav.) Druce

Species Grevillea phylicoides R.Br.

Species Grevillea robusta A. Cunn. ex R. Br.

Species Grevillea sericea (Sm.) R. Br.

Species Grevillea thelemanniana R. Br. ex Meisn.

Genus Hakea Schrad.

Species Hakea dactyloides (Gaertn.) Cav.

Species Hakea lissosperma R. Br.

Species Hakea microcarpa R. Br.

Genus Isopogon R. Br. ex Knight

Species Isopogon anemonifolius (Salisb.) Knight

Species Isopogon anethifolius (Salisb.) Knight

Genus Lambertia Sm.

Species Lambertia formosa Sm.

Genus Lomatia R. Br.

Species Lomatia arborescens L. R. Fraser & Vickery

Genus Orites R. Br.

Species Orites diversifolia R. Br.

Species Orites excelsa R. Br.

Species Orites revoluta R. Br.

Genus Persoonia Sm.

Species Persoonia pinifolia R. Br.

Genus Petrophile R. Br. ex Knight

Species Petrophile pulchella (Schrad. & J. C. Wendl.) R. Br.

Genus Telopea R. Br.

Species Telopea speciosissima (Sm.) R. Br.

Species Telopea truncata (Labill.) R. Br.

Order Ranunculales

Family Berberidaceae

Genus Achlys DC.

Species Achlys triphylla (Sm.) DC.

Genus Berberis L.

Species Berberis aemulans C. K. Schneid.

Species Berberis aggregata C. K. Schneid.

Species Berberis aquifolium Pursh

Species Berberis bretschneideri Rehder

Species Berberis canadensis Mill.

Species Berberis chinensis Poir.

Species Berberis circumserrata (C. K. Schneid.) C. K. Schneid.

Species Berberis dasystachya Maxim.

Species Berberis diaphana Maxim.

Species Berberis dictyophylla Franch.

Species Berberis dielsiana Fedde

Species Berberis fendleri A. Gray

Species Berberis francisci-ferdinandii C. K. Schneid.

Species Berberis haematocarpa Wooton

Species Berberis henryana C. K. Schneid.

Species Berberis heteropoda Schrenk

Species Berberis koreana Palib.

Species Berberis lucida Schrad.

Species Berberis nervosa Pursh

Species Berberis poiretii C. K. Schneid.

Species Berberis polyantha Hemsl.

Species Berberis prattii C. K. Schneid.

Species Berberis rehderiana C. K. Schneid.

Species Berberis repens Lindl.

Species Berberis silva-taroucana C. K. Schneid.

Species Berberis sinensis C. K. Schneid.

Species Berberis thibetica C. K. Schneid.

Species Berberis thunbergii DC.

Species Berberis tischleri C. K. Schneid.

Species Berberis turcomanica Kar.

Species Berberis vernae C. K. Schneid.

Species Berberis vulgaris L.

form Berberis vulgaris L. forma atropurpurea Regel

Species Berberis × notabilis C. K. Schneid.

Species Berberis × ottawensis C. K.Schneid.

Genus Caulophyllum Michx.

Species Caulophyllum thalictroides (L.) Michx.

Genus Jeffersonia Barton

Species Jeffersonia diphylla (L.) Pers.

Genus Mahonia Nutt.

Species Mahonia aquifolium (Pursh) Nuttall

Species Mahonia nervosa (Pursh) Nuttall

Species Mahonia repens (Lindl.) G. Don

Genus Podophyllum L.

Species Podophyllum peltatum L.

Genus Vancouveria C. Morren & Decne.

Species Vancouveria planipetala Calloni

Species Vancouveria chrysantha Greene

Species Vancouveria hexandra (Hook.) C. Morren & Decne.

Family Menispermaceae

Genus Cissampelos L.

Species Cissampelos mucronata A. Rich.

Species Cissampelos pareira L.

Genus Cocculus DC.

Species Cocculus carolinus (L.) DC.

Genus Menispermum L.

Species Menispermum canadense L.

Genus Stephania Lour.

Species Stephania abyssinica (Quart. -Dill. & A. Rich.) Walp.

Family Papaveraceae

Genus Corydalis DC.

Species Corydalis aurea Willd.

subspecies Corydalis aurea Willd. ssp. aurea

variety Corydalis aurea Willd. var. aurea

Species Corydalis brandegeei S. Wats.

Species Corydalis caseana A. Gray

Species Corydalis cava (L.) Schweigger & Korte

Species Corydalis micrantha (Engelm. ex A. Gray) A. Gray

Species Corydalis montana Engelm. ex A. Gray

Species Corydalis pauciflora (Stephan ex Willd.) Pers.

Species Corydalis scouleri Hook.

Species Corydalis sempervirens (L.) Pers.

Species Corydalis solida (L.) Clairv.

Genus Adlumia Raf. ex DC.

Species Adlumia fungosa (Aiton) Greene ex Britton, Sterns & Poggenb.

Genus Argemone L.

Species Argemone hispida A. Gray

Species Argemone intermedia Sweet

Species Argemone platyceras Link & Otto

Species Argemone subfusiformis G. B. Ownbey

Genus Capnoides Mill.

Species Capnoides aurea Kuntze

Species Capnoides sempervirens (Linnaeus) Borkhausen

Genus Chelidonium L.

Species Chelidonium majus L.

Genus Dendromecon Benth.

Species Dendromecon rigida Benth.

Genus Dicentra Bernh.

Species Dicentra canadensis (Goldie) Walp.

Species Dicentra chrysantha (Hook. & Arn.) Walp.

Species Dicentra cucullaria (L.) Bernh.

Species Dicentra formosa (Haw.) Walp.

Species Dicentra ochroleuca Engelm.

Species Dicentra uniflora Kellogg

Genus Dicranostigma Hook. f. & Thomson

Species Dicranostigma franchetianum (Prain) Fedde

Genus Eschscholzia Cham.

Species Eschscholzia caespitosa Benth.

Species Eschscholzia californica Cham.

subspecies Eschscholzia californica Cham. ssp. mexicana (Greene) C. Clark

variety Eschscholzia californica Cham. var. crocea (Benth.) Jeps.

variety Eschscholzia californica Cham. var. peninsularis (Greene) Munz

Species Eschscholzia glyptosperma Greene

Species Eschscholzia mexicana Greene

Species Eschscholzia minutiflora S. Wats.

variety Eschscholzia minutiflora S. Wats. var. darwinensis M. E. Jones

Genus Fumaria L.

Species Fumaria officinalis L.

Genus Papaver L.

Species Papaver alpinum L.

Species Papaver argemone L.

Species Papaver bracteatum Lindl.

Species Papaver californicum A. Gray

Species Papaver canescens Tolm.

Species Papaver coloradense (Fedde) Fedde ex Wooton & Standl.

Species Papaver cornwallisensis D. Löve

Species Papaver dahlianum Nordh.

Species Papaver dubium L.

Species Papaver fugax Poir.

Species Papaver hultenii Knaben

Species Papaver kluanensis D. Löve

Species Papaver labradoricum (Fedde) Solstad & Elven

Species Papaver lapponicum (Tolm.) Nordh.

subspecies Papaver lapponicum (Tolm.) Nordh. ssp. occidentale (Lundstr.) Knaben

Species Papaver macounii Greene

subspecies Papaver macounii Greene ssp. discolor (Hultén) Rändel ex D. F. Murray

Species Papaver mcconellii Hultén

Species Papaver nudicaule L.

Species Papaver orientale L.

Species Papaver pavoninum Schrenk

Species Papaver pilosum Sibth. & Sm.

Species Papaver pulvinatum Tolm.

Species Papaver radicatum Rottb.

subspecies Papaver radicatum Rottb. ssp. polare Tolm.

Species Papaver rhoeas L.

Species Papaver somniferum L.

Species Papaver walpolei A. E. Porsild

Genus Platystemon Benth.

Species Platystemon californicus Benth.

Genus Roemeria Medik.

Species Roemeria rhoeadiflora Boiss.

Genus Romneya Harv.

Species Romneya coulteri Harv.

variety Romneya coulteri Harv. var. trichocalyx (Eastw.) Jeps.

Genus Sanguinaria L.

Species Sanguinaria canadensis L.

Family Ranunculaceae

Genus Aconitum L.

Species Aconitum columbianum Nutt.

variety Aconitum columbianum Nutt. var. columbianum

Species Aconitum delphiniifolium DC.

subspecies Aconitum delphiniifolium DC. ssp. delphiniifolium

subspecies Aconitum delphiniifolium DC. ssp. paradoxum (Rchb.) Hultén

variety Aconitum delphiniifolium DC. var. delphiniifolium

Species Aconitum excelsum Rchb.

Species Aconitum macrorhynchum Turcz. ex Ledeb.

Species Aconitum montibaicalense Vorosch.

Species Aconitum napellus L.

subspecies Aconitum napellus L. ssp. lobelii Mucher

Species Aconitum reclinatum A. Gray

Species Aconitum uncinatum L.

Species Aconitum villosum Rchb.

Genus Actaea L.

Species Actaea alba (L.) Mill.

Species Actaea arguta Nutt.

Species Actaea eburnea Rydb.

Species Actaea erythrocarpa (Fisch.) Kom.

Species Actaea pachypoda Elliott

Species Actaea rubra (Aiton) Willd.

subspecies Actaea rubra (Aiton) Willd. ssp. arguta (Nutt.) Hultén

subspecies Actaea rubra (Aiton) Willd. ssp. rubra

variety Actaea rubra (Aiton) Willd. var. arguta (Nutt.) Breitung

variety Actaea rubra (Aiton) Willd. var. rubra

form Actaea rubra (Aiton) Willd. forma neglecta (Gillman) B. L. Rob.

form Actaea rubra (Aiton) Willd. forma rubra

Species Actaea spicata L.

Genus Adonis L.

Species Adonis aestivalis L.

Species Adonis annua L.

Genus Anemonastrum Holub

Species Anemonastrum canadense (Linnaeus) Mosyakin

Genus Anemone L.

Species

Species Anemone alpina L.

Species Anemone americana (DC.) H. Hara

Species Anemone biflora DC.

Species Anemone californica Eastw.

Species Anemone canadensis L.

Species Anemone caroliniana Walter

form Anemone caroliniana Walter forma violacea Clute

Species Anemone cylindrica A. Gray

Species Anemone deltoidea Hook.

Species Anemone drummondii S. Wats.

variety Anemone drummondii S. Wats. var. drummondii

variety Anemone drummondii S. Wats. var. lithophila (Rydb.) C. L. Hitchc.

Species Anemone globosa Nutt. ex A. Nelson

Species Anemone grayi Behr & Kellogg

Species Anemone hepatica L.

Species Anemone lithophila Rydb.

Species Anemone multiceps (Greene) Standl.

Species Anemone narcissiflora L.

subspecies Anemone narcissiflora L. ssp. alaskana Hultén

subspecies Anemone narcissiflora L. ssp. interior Hultén

subspecies Anemone narcissiflora L. ssp. sibirica (L.) Hultén

variety Anemone narcissiflora L. var. monantha DC.

Species Anemone nemorosa L.

variety Anemone nemorosa L. var. bifolia (Farw.) B. Boivin

variety Anemone nemorosa L. var. quinquefolia (L.) Pursh

Species Anemone occidentalis S. Wats.

Species Anemone oregana A. Gray

Species Anemone patens L.

variety Anemone patens L. var. multifida Pritz.

variety Anemone patens L. var. nuttalliana (DC.) A. Gray

variety Anemone patens L. var. wolfgangiana (Bess.) Koch

Species Anemone piperi Britton ex Rydb.

Species Anemone ranunculoides L.

Species Anemone richardsonii Hook.

Species Anemone riparia Fern.

Species Anemone sibirica L.

Species Anemone tetonensis Porter ex Britton

Species Anemone thalictroides L.

Species Anemone tuberosa Rydb.

Species Anemone vernalis L.

Species Anemone zephyra A. Nelson

Species Anemone multifida Poir.

variety Anemone multifida Poir. var. hudsoniana DC.

variety Anemone multifida Poir. var. multifida

variety Anemone multifida Poir. var. richardsiana Fernald

variety Anemone multifida Poir. var. sansonii B. Boivin

form Anemone multifida Poir. forma sanguinea (Richardson) Fernald

Species Anemone quinquefolia L.

variety Anemone quinquefolia L. var. grayi (Behr & Kellogg) Jeps.

Species Anemone virginiana L.

variety Anemone virginiana L. var. cylindroidea B. Boivin

variety Anemone virginiana L. var. riparia (Fernald) B. Boivin

Genus Anemonella Spach

Species Anemonella thalictroides (L.) Spach

Genus Aquilegia L.

Species Aquilegia atrata Koch

Species Aquilegia barnebyi Munz

Species Aquilegia canadensis L.

variety Aquilegia canadensis L. var. latiuscula (Greene) Munz

Species Aquilegia chrysantha A. Gray

Species Aquilegia flavescens S. Wats.

variety Aquilegia flavescens S. Wats. var. miniana J. F. Macbr. & Payson

Species Aquilegia formosa Fisch. ex DC.

variety Aquilegia formosa Fisch. ex DC. var. fosteri S. L. Welsh

Species Aquilegia formosa Fisch. ex DC. × Aquilegia pubescens Coville

Species Aquilegia glandulosa Fisch. ex Link

Species Aquilegia micrantha Eastw.

Species Aquilegia pubescens Coville

Species Aquilegia rubicunda Tidestr.

Species Aquilegia sibirica Lam.

Species Aquilegia thalictrifolia Schott & Kotschy

Species Aquilegia truncata Fisch. & C. A. Mey.

Species Aquilegia coerulea E. James

variety Aquilegia coerulea E. James var. coerulea

Species Aquilegia vulgaris L.

variety Aquilegia vulgaris L. var. karelinii Baker

Genus Batrachium (DC.) Gray

Species Batrachium divaricatum (Schrank) Schur

Genus Callianthemum C. A. Mey.

Species Callianthemum isopyroides Witasek

Genus Caltha L.

Species Caltha introloba F. Muell.

Species Caltha leptosepala DC.

variety Caltha leptosepala DC. var. biflora (DC.) G. Lawson

variety Caltha leptosepala DC. var. leptosepala

Species Caltha membranacea (Turcz.) Schipcz.

Species Caltha natans Pall.

Species Caltha palustris L.

subspecies Caltha palustris L. ssp. arctica (R. Br.) Hultén

subspecies Caltha palustris L. ssp. radicans (T. F. Forst.) Hook.

variety Caltha palustris L. var. arctica (R. Br.) Huth

variety Caltha palustris L. var. asarifolia (DC.) Huth

variety Caltha palustris L. var. palustris

Species Caltha rotundifolia (Huth) Greene

Species Caltha serotina Tolm.

Genus Ceratocephala Moench

Species Ceratocephala testiculata (Crantz) Roth

Genus Cimicifuga L. ex Wernisch.

Species Cimicifuga americana Michx.

Species Cimicifuga elata Nutt.

Species Cimicifuga racemosa (L.) Nutt.

Genus Clematis L.

Species Clematis alpina Mill.

Species Clematis chiisanensis Nakai

Species Clematis columbiana (Nutt.) Torr. & A. Gray

variety Clematis columbiana (Nutt.) Torr. & A. Gray var. columbiana

Species Clematis glycinoides DC.

Species Clematis hirsutissima Pursh

variety Clematis hirsutissima Pursh var. hirsutissima

Species Clematis lasiantha Nutt.

Species Clematis ligusticifolia Nutt.

Species Clematis ochotensis (Pall.) Poir.

Species Clematis orientalis L.

Species Clematis pauciflora Nutt.

Species Clematis pseudoalpina (Kuntze) A. Nelson

Species Clematis tangutica (Maxim.) Korsh.

Species Clematis tenuiloba (A. Gray in H. Newton & W. P. Jenney) C. L. Hitchc.

Species Clematis viorna L.

Species Clematis virginiana L.

variety Clematis virginiana L. var. virginiana

Species Clematis vitalba L.

Species Clematis occidentalis (Hornem.) DC.

variety Clematis occidentalis (Hornem.) DC. var. grosseserrata (Rydb.) Pringle

Species Clematis verticillaris DC.

variety Clematis verticillaris DC. var. columbiana (Nutt.) A. Gray

Genus Consolida (DC.) Gray

Species Consolida regalis Gray

Genus Coptidium Linnaeus

Species Coptidium lapponicum (Linnaeus) Gandoger ex Rydberg

Genus Coptis Salisb.

Species Coptis aspleniifolia Salisb.

Species Coptis groenlandica (O.F. Müll.) Fernald

Species Coptis laciniata A. Gray

Species Coptis occidentalis (Nutt.) Torr. & A. Gray

Species Coptis trifolia (L.) Salisb.

subspecies Coptis trifolia (L.) Salisb. ssp. groenlandica (O.F. Müll.) Hultén

Genus Delphinium L.

Species Delphinium ajacis L.

Species Delphinium andersonii A. Gray

Species Delphinium barbeyi (Huth) Huth

Species Delphinium bicolor Nutt.

subspecies Delphinium bicolor Nutt. subsp. bicolor

form Delphinium bicolor Nutt. forma helleri (Rydb.) Ewan

form Delphinium bicolor Nutt. forma mccallae Ewan

form Delphinium bicolor Nutt. forma montanense (Rydb.) Ewan

Species Delphinium brachycentrum Ledeb.

Species Delphinium brownii Rydb.

Species Delphinium caprorum Ewan

Species Delphinium cardinale Hook

Species Delphinium cyanoreios Piper

Species Delphinium depauperatum Nutt.

Species Delphinium distichum Geyer ex Hook.

Species Delphinium elatum L.

Species Delphinium glaucum S. Wats.

Species Delphinium grandiflorum L.

Species Delphinium halteratum Sibth. & Sm.

Species Delphinium leucophaeum Greene

Species Delphinium lineapetalum Ewan

Species Delphinium menziesii DC.

subspecies

variety Delphinium menziesii DC. var. menziesii

Species Delphinium nudicaule Torr. & A. Gray

Species Delphinium parryi A. Gray

Species Delphinium pauciflorum Reichenbach ex Ledeb.

Species Delphinium persicum Boiss.

Species Delphinium ramosum Rydb.

Species Delphinium rugulosum Boiss.

Species Delphinium scaposum Greene

Species Delphinium semibarbatum Bienert

Species Delphinium splendens G. N. Jones

Species Delphinium stachydeum (A. Gray) A. Nelson & J. F. Macbr.

Species Delphinium tricorne Michx.

Species Delphinium uliginosum Curran

Species Delphinium virescens Nutt.

Species Delphinium amabile Tidestr.

subspecies Delphinium amabile Tidestr. ssp. clarianum Ewan

Species Delphinium carolinianum Walter

subspecies Delphinium carolinianum Walter ssp. virescens (Nuttall) R. E. Brooks

Species Delphinium decorum Fisch. & C.A. Mey.

variety Delphinium decorum Fisch. & C.A. Mey. var. patens (Benth.) A. Gray

Species Delphinium hesperium A. Gray

form Delphinium hesperium A. Gray forma pallescens Ewan

Species Delphinium nuttallianum Pritz.

variety Delphinium nuttallianum Pritz. var. fulvum C. L. Hitchc.

variety Delphinium nuttallianum Pritz. var. nuttallianum

Species Delphinium occidentale (S. Watson) S. Watson ex Coult.

subspecies Delphinium occidentale (S. Watson) S. Watson ex Coult. ssp. cucullatum (A. Nelson) Ewan

Genus Ficaria Schaeff.

Species Ficaria verna Huds.

Genus Halerpestes Greene

Species Halerpestes cymbalaria (Pursh) Greene

Genus Hepatica Mill.

Species Hepatica nobilis Mill.

Genus Hydrastis L.

Species Hydrastis canadensis L.

Genus Isopyrum L.

Species Isopyrum biternatum (Raf.) Torr. & A. Gray

Species Isopyrum thalictroides L.

Genus Myosurus L.

Species Myosurus aristatus Benth.

Species Myosurus minimus L.

variety Myosurus minimus L. var. interior B. Boivin

Species Myosurus apetalus Gay

variety Myosurus apetalus Gay var. montanus (G. R. Campb.) Whittem.

Genus Oxygraphis Bunge

Species Oxygraphis glacialis (Fisch. ex DC.) Bunge

Genus Pulsatilla Mill.

Species Pulsatilla nuttalliana (de Candolle) Berchtold ex J. Presl

Species Pulsatilla turczaninovii Krylov & Serg.

Species Pulsatilla patens (L.) Mill.

variety Pulsatilla patens (L.) Mill. var. multifida (Pritz.) S. H. Li & Y. Hui Huang

Genus Ranunculus L.

Species Ranunculus acer L.

Species Ranunculus aconitifolius L.

Species Ranunculus acriformis A. Gray

Species Ranunculus acris L.

variety Ranunculus acris L. var. acris

Species Ranunculus adoneus A. Gray

Species Ranunculus alismifolius Geyer ex Benth.

variety Ranunculus alismifolius Geyer ex Benth. var. alismellus A. Gray

variety Ranunculus alismifolius Geyer ex Benth. var. hartwegii (Greene) Jeps.

Species Ranunculus anemoneus F. Muell.

Species Ranunculus aquatilis L.

variety Ranunculus aquatilis L. var. capillaceus (Thuill.) DC.

variety Ranunculus aquatilis L. var. diffusus With.

variety Ranunculus aquatilis L. var. harrisii L. D. Benson

variety Ranunculus aquatilis L. var. hispidulus Drew

variety Ranunculus aquatilis L. var. subrigidus (W. B. Drew) Breitung

Species Ranunculus arcticus Richardson

Species Ranunculus argoviensis W. Koch

Species Ranunculus arvensis L.

Species Ranunculus auricomus L.

Species Ranunculus baldshuanicus Regel ex Kom.

Species Ranunculus bongardii Greene

Species Ranunculus bulbosus L.

Species Ranunculus carolinianus DC.

Species Ranunculus circinatus Sibth.

variety Ranunculus circinatus Sibth. var. subrigidus (W. B. Drew) L. D. Benson

Species Ranunculus confervoides (Fr.) Fr.

Species Ranunculus cymbalaria Pursh

variety Ranunculus cymbalaria Pursh var. cymbalaria

variety Ranunculus cymbalaria Pursh var. saximontanus Fernald

Species Ranunculus delphinifolius Torr.

Species Ranunculus eschscholtzii Schltdl.

variety Ranunculus eschscholtzii Schltdl. var. eschscholtzii

Species Ranunculus falcatus L.

Species Ranunculus fascicularis Muhl. ex Bigelow

Species Ranunculus ficaria L.

subspecies Ranunculus ficaria L. ssp. ficaria

Species Ranunculus gelidus Kar. & Kir.

Species Ranunculus glabriusculus Rupr.

Species Ranunculus glacialis L.

Species Ranunculus gormanii Greene

Species Ranunculus graniticola Melville

Species Ranunculus grenierianus Jord.

Species Ranunculus hederaceus L.

Species Ranunculus hyperboreus Rottb.

subspecies Ranunculus hyperboreus Rottb. ssp. hyperboreus

Species Ranunculus jovis A. Nelson

Species Ranunculus laetus Wall. ex Royle

Species Ranunculus lanuginosus L.

Species Ranunculus lappaceus Sm.

Species Ranunculus lapponicus L.

Species Ranunculus longirostris Godr.

Species Ranunculus marinus Fr.

Species Ranunculus occidentalis Nutt.

variety Ranunculus occidentalis Nutt. var. brevistylus Greene

variety Ranunculus occidentalis Nutt. var. occidentalis

Species Ranunculus oreophilus M. Bieb.

Species Ranunculus orthorhynchus Hook.

variety Ranunculus orthorhynchus Hook. var. platyphyllus A. Gray

Species Ranunculus pallasii Schltdl.

Species Ranunculus peltatus Schrank

Species Ranunculus pensylvanicus L. f.

Species Ranunculus platanifolius L.

Species Ranunculus polyanthemos L.

Species Ranunculus populago Greene

Species Ranunculus puberulus W. Koch

Species Ranunculus purshii Richardson

Species Ranunculus pusillus Poir.

Species Ranunculus pygmaeus Wahlenb.

subspecies Ranunculus pygmaeus Wahlenb. ssp. sabinei (R. Br.) Hultén

Species Ranunculus pyrenaeus L.

Species Ranunculus radicans C. A. Mey.

Species Ranunculus recurvatus Poir.

Species Ranunculus repens L.

Species Ranunculus reptans L.

Species Ranunculus rhomboideus Goldie

Species Ranunculus rufosepalus Franch.

Species Ranunculus sabinei R. Br.

Species Ranunculus septentrionalis Poir.

Species Ranunculus serpens Schrank

Species Ranunculus subrigidus W. B. Drew

Species Ranunculus sulphureus Sol.

Species Ranunculus testiculatus Crantz

Species Ranunculus turneri Greene

Species Ranunculus uncinatus D. Don

variety Ranunculus uncinatus D. Don var. parviflorus (Torr.) L. D. Benson

variety Ranunculus uncinatus D. Don var. uncinatus

Species Ranunculus verecundus B. L. Rob. ex Piper

Species Ranunculus abortivus L.

variety Ranunculus abortivus L. var. abortivus

variety Ranunculus abortivus L. var. acrolasius Fernald

Species Ranunculus andersonii A. Gray

variety Ranunculus andersonii A. Gray var. andersonii

Species Ranunculus californicus Benth.

variety Ranunculus californicus Benth. var. californicus

Species Ranunculus canus Benth.

variety Ranunculus canus Benth. var. ludovicianus (Greene) L. D. Benson

Species Ranunculus cardiophyllus Hook.

variety Ranunculus cardiophyllus Hook. var. cardiophyllus

form Ranunculus cardiophyllus Hook. forma apetalus (Farr) B. Boivin

Species Ranunculus flammula L.

variety Ranunculus flammula L. var. filiformis (Michx.) Hook.

variety Ranunculus flammula L. var. ovalis (J. M. Bigelow) L. D. Benson

variety Ranunculus flammula L. var. reptans (L.) E. Mey.

Species Ranunculus gmelinii DC.

subspecies Ranunculus gmelinii DC. ssp. gmelinii

subspecies Ranunculus gmelinii DC. ssp. purshii (Richardson) Hultén

variety Ranunculus gmelinii DC. var. gmelinii

variety Ranunculus gmelinii DC. var. hookeri (D. Don) L. D. Benson

variety Ranunculus gmelinii DC. var. limosus (Nutt.) H. Hara

Species Ranunculus inamoenus Greene

variety Ranunculus inamoenus Greene var. inamoenus

Species Ranunculus macounii Britton

variety Ranunculus macounii Britton var. macounii

Species Ranunculus nivalis L.

variety Ranunculus nivalis L. var. nivalis

Species Ranunculus pedatifidus Sm.

variety Ranunculus pedatifidus Sm. var. affinis (R. Br.) L. D. Benson

variety Ranunculus pedatifidus Sm. var. cardiophyllus (Hook.) Britton

form Ranunculus pedatifidus Sm. forma apetalus (Farr) B. Boivin

Species Ranunculus sceleratus L.

subspecies Ranunculus sceleratus L. ssp. multifidus (Nutt. ex Torr. & A. Gray) Hultén

variety Ranunculus sceleratus L. var. multifidus Nutt.

Species Ranunculus trichophyllus Chaix ex Vill.

subspecies Ranunculus trichophyllus Chaix ex Vill. ssp. eradicatus (Laest.) C. D. K. Cook

variety Ranunculus trichophyllus Chaix ex Vill. var. eradicatus (Laest.) W. B. Drew

Genus Thalictrum L.

Species Thalictrum alpinum L.

variety Thalictrum alpinum L. var. alpinum

variety Thalictrum alpinum L. var. hebetum B. Boivin

Species Thalictrum aquilegiifolium L.

Species Thalictrum clavatum DC.

Species Thalictrum confine Fernald

Species Thalictrum dasycarpum Fisch. & Avé-Lall.

Species Thalictrum dioicum L.

Species Thalictrum lucidum L.

Species Thalictrum minus L.

Species Thalictrum polycarpum (Torr.) S. Watson

Species Thalictrum pubescens Pursh

Species Thalictrum purpurascens L.

Species Thalictrum sparsiflorum Turcz. ex Fisch. & C. A. Mey.

variety Thalictrum sparsiflorum Turcz. ex Fisch. & C. A. Mey. var. richardsonii (A. Gray) B. Boivin

Species Thalictrum turneri B. Boivin

Species Thalictrum fendleri Engelm. ex A. Gray

variety Thalictrum fendleri Engelm. ex A. Gray var. fendleri

Species Thalictrum occidentale A. Gray

variety Thalictrum occidentale A. Gray var. palousense H. St. John

Species Thalictrum simplex L.

variety Thalictrum simplex L. var. boreale F. Nyl.

Genus Trautvetteria Fisch. & C. A. Mey.

Species Trautvetteria carolinensis (Walter) Vail

Species Trautvetteria grandis Nutt.

Genus Trollius L.

Species Trollius albiflorus (A. Gray) Rydb.

Species Trollius asiaticus L.

Species Trollius boreosibiricus Tolm.

Species Trollius europaeus L.

Species Trollius laxus Salisb.

variety Trollius laxus Salisb. var. albiflorus A. Gray

Species Trollius ledebourii Rchb.

Species Trollius riederianus Fisch. & C. A. Mey

Genus Xanthorhiza Marshall

Species Xanthorhiza simplicissima Marshall

Order Rosales

Family Cannabaceae

Genus Cannabis L.

Species Cannabis sativa L.

Genus Celtis L.

Species

Species Celtis douglasii Planch.

Species Celtis mississippiensis Bosc

Species Celtis occidentalis L.

variety Celtis occidentalis L. var. canina (Raf.) Sarg.

Species Celtis reticulata Torr.

Species Celtis trinervia Lam.

variety Celtis occidentalis L. var. occidentalis

Genus Humulus L.

Species Humulus americanus Nutt.

Species Humulus lupulus L.

variety Humulus lupulus L. var. lupulus

variety Humulus lupulus L. var. neomexicanus A. Nelson & Cockerell

Family Elaeagnaceae

Genus Elaeagnus L.

Species Elaeagnus angustifolia L.

variety Elaeagnus angustifolia L. var. angustifolia

Species Elaeagnus argentea Pursh

Species Elaeagnus commutata Bernh. ex Rydb.

Species Elaeagnus glabra Thunb.

Species Elaeagnus longipes A. Gray

Species Elaeagnus multiflora Thunb.

Species Elaeagnus umbellata Thunb.

Species Elaeagnus veteris-castelli Lepage

Genus Hippophae L.

Species Hippophae rhamnoides L.

Genus Lepargyrea Raf.

Species Lepargyrea canadensis (L.) Greene

Genus Shepherdia Nutt.

Species Shepherdia argentea (Pursh) Nutt.

Species Shepherdia canadensis (L.) Nutt.

Species Shepherdia rotundifolia Parry

Family Moraceae

Genus Ficus L.

Species Ficus benghalensis L.

Species Ficus capensis Thunb.

Species Ficus columnaris C. Moore & F. Muell.

Species Ficus religiosa L.

Genus Maclura Nutt.

Species Maclura pomifera (Raf.) C. K. Schneid.

Genus Morus L.

Species Morus alba L.

Species Morus microphylla Buckley

Species Morus nigra L.

Family Rhamnaceae

Genus Alphitonia Reissek ex Endl.

Species Alphitonia excelsa (Fenzl) Reissek ex Endl.

Genus Berchemia Neck. ex DC.

Species Berchemia scandens (Hill) K. Koch

Species Berchemia volubilis A. DC.

Genus Ceanothus L.

Species Ceanothus americanus L.

Species Ceanothus cordulatus Kellogg

Species Ceanothus crassifolius Torr.

Species Ceanothus cuneatus (Hook.) Nutt.

Species Ceanothus cyaneus Eastw.

Species Ceanothus dentatus Torr. & A. Gray

Species Ceanothus diversifolius Kellogg

Species Ceanothus fendleri A. Gray

Species Ceanothus foliosus Parry

Species Ceanothus herbaceus Raf.

variety Ceanothus herbaceus Raf. var. herbaceus

Species Ceanothus incanus Torr. & A. Gray

Species Ceanothus jepsonii Greene

Species Ceanothus leucodermis Greene

Species Ceanothus martini M. E. Jones

Species Ceanothus ovatus Desf.

Species Ceanothus palmeri Trel.

Species Ceanothus papillosus Torr. & A. Gray

Species Ceanothus parryi Trel.

Species Ceanothus parvifolius (S. Wats.) Trel.

Species Ceanothus perplexans Trel.

Species Ceanothus prostratus Benth.

Species Ceanothus sanguineus Pursh

Species Ceanothus sorediatus Hook. & Arn.

Species Ceanothus thyrsiflorus Eschsch.

Species Ceanothus velutinus Douglas ex Hook.

variety Ceanothus velutinus Douglas ex Hook. var. laevigatus Torr. & A. Gray

variety Ceanothus velutinus Douglas ex Hook. var. velutinus

Species Ceanothus verrucosus Nutt.

Species Ceanothus greggii A. Gray

variety Ceanothus greggii A. Gray var. perplexans (Trel.) Jeps.

Species Ceanothus integerrimus Hook. & Arn.

variety Ceanothus integerrimus Hook. & Arn. var. californicus (Kellogg) G. T. Benson

Species Ceanothus tomentosus Parry

variety Ceanothus tomentosus Parry var. olivaceus Jeps.

Genus Colubrina Rich. ex Brongn.

Species Colubrina asiatica (L.) Brongn.

Genus Frangula Mill.

Species Frangula alnus Mill.

Species Frangula californica (Eschsch.) A. Gray

Genus Helinus E. Mey. ex Endl.

Species Helinus mystacinus (Aiton) E. Mey. ex Steud.

Genus Karwinskia Zucc.

Species Karwinskia oblongifolia Rusby

Genus Rhamnus L.

Species Rhamnus alnifolia L'Hér.

Species Rhamnus alpina L.

Species Rhamnus caroliniana Walter

Species Rhamnus cathartica L.

Species Rhamnus frangula L.

Species Rhamnus ilicifolia Kellogg

Species Rhamnus lanceolata Pursh

Species Rhamnus parvifolia Bunge

Species Rhamnus prinoides L'Hér.

Species Rhamnus purshiana DC.

Species Rhamnus californica Eschsch.

subspecies Rhamnus californica Eschsch. ssp. ursina (Greene) C. B. Wolf

variety Rhamnus californica Eschsch. var. tomentella (Benth.) W. H. Brewer & S. Wats.

Species Rhamnus crocea Nutt.

variety Rhamnus crocea Nutt. var. ilicifolia (Kellogg) Greene

variety Rhamnus crocea Nutt. var. pilosa Trel. ex Curran

Species Rhamnus rubra Greene

variety Rhamnus rubra Greene var. obtusissima (Greene) Jeps.

Genus Sageretia Brongn.

Species Sageretia wrightii S. Watson

Genus Scutia (Comm. ex A. DC.) Brongn.

Species Scutia myrtina (Burm. f.) Kurz

Genus Spyridium Fenzl

Species Spyridium parvifolium (Hook.) F. Muell.

Genus Talguenea Miers ex Endl.

Species Talguenea quinquenervia I. M. Johnst.

Genus Trevoa Miers ex Hook.

Species Trevoa trinervis Miers

Family Rosaceae

Genus Agrimonia L.

Species Agrimonia eupatoria L.

Species Agrimonia striata Michx.

Genus Amelanchier Medik.

Species Amelanchier alnifolia Nutt.

variety Amelanchier alnifolia Nutt. var. pumila (Torrey & A. Gray) A. Nelson

Species Amelanchier bartramiana (Tausch) M. Roem.

Species Amelanchier canadensis (L.) Medik.

Species Amelanchier cusickii Fernald

Species Amelanchier florida Lindl.

Species Amelanchier humilis Wiegand

Species Amelanchier oblongifolia M. Roem. × Amelanchier stolonifera Wiegand

Species Amelanchier oxyodon Koehne

Species Amelanchier sanguinea (Pursh) DC.

Species Amelanchier spicata (Lam.) K. Koch

Species Amelanchier stolonifera Wiegand

Species Amelanchier utahensis Koehne

Species Amelanchier vulgaris Moench

Genus Argentina Hill

Species Argentina anserina (L.) Rydb.

Species Argentina egedii (Wormsk.) Rydb.

Genus Aronia Medik.

Species Aronia melanocarpa (Michx.) Elliott

Species Aronia nigra (Willd.) Koehne

Genus Aruncus L.

Species Aruncus sylvester Kostel. ex Maxim.

Genus Cerasus Mill.

Species Cerasus avium (L.) Moench

Species Cerasus yedoensis (Matsum.) A. N. Vassiljeva

Genus Chamaebatiaria (Porter ex W.H. Brewer & S. Watson) Maxim.

Species Chamaebatiaria millefolium (Torr.) Maxim.

Genus Chamaerhodos Bunge

Species Chamaerhodos erecta (L.) Bunge

subspecies Chamaerhodos erecta (L.) Bunge ssp. nuttallii (Pickering ex Rydb.) Hultén

Genus Comarum L.

Species Comarum palustre L.

Species Comarum salesovianum (Stephan) Asch. & Graebn.

Genus Cotoneaster Medik.

Species Cotoneaster ambiguus Rehder & E. H. Wilson

Species Cotoneaster apiculatus Rehder & E. H. Wilson

Species Cotoneaster bullatus Bois

variety Cotoneaster bullatus Bois var. floribundus (Stapf) L. T. Lu & A. R. Brach

Species Cotoneaster dielsianus E. Pritz. ex Diels

Species Cotoneaster foveolatus Rehder & E. H. Wilson

Species Cotoneaster gracilis Rehder & E. H. Wilson

Species Cotoneaster horizontalis Decne.

variety Cotoneaster horizontalis Decne. var. perpusillus C. K. Schneid.

Species Cotoneaster hupehensis Rehder & E. H. Wilson

Species Cotoneaster lucidus Schltdl.

Species Cotoneaster microphyllus Wall. ex Lindl.

Species Cotoneaster nitens Rehder & E. H. Wilson

Species Cotoneaster racemiflorus (Desf.) K. Koch

variety Cotoneaster racemiflorus (Desf.) K. Koch var. soongoricus (Regel) C. K. Schneid.

Species Cotoneaster tenuipes Rehder & E. H. Wilson

Species Cotoneaster acutifolius Turcz.

variety Cotoneaster acutifolius Turcz. var. villosulus Rehder & E. H. Wilson

Species Cotoneaster multiflorus Bunge

variety Cotoneaster multiflorus Bunge var. calocarpus Rehder & E. H. Wilson

Species Cotoneaster salicifolius Franch.

variety Cotoneaster salicifolius Franch. var. salicifolius

Genus Crataegus L.

Species Crataegus aquacervensis J. B. Phipps & O'Kennon

Species Crataegus calpodendron (Ehrh.) Medik.

Species Crataegus castlegarensis J. B. Phipps & O'Kennon

Species Crataegus chrysocarpa Ashe

Species Crataegus cupressocollina J. B. Phipps & O'Kennon

Species Crataegus douglasii Lindl.

Species Crataegus macracantha Lodd. ex Loudon

Species Crataegus monogyna Jacq.

Species Crataegus purpurella J. B. Phipps & O'Kennon

Species Crataegus rivuloadamensis J. B. Phipps & O'Kennon

Species Crataegus rivulopugnensis J. B. Phipps & O'Kennon

Species Crataegus rotundifolia Moench

Species Crataegus rubribracteolata J. B. Phipps & O'Kennon

Species Crataegus sheila-phippsiae J. B. Phipps & O'Kennon

variety Crataegus sheila-phippsiae J. B. Phipps & O'Kennon var. saskatchewanensis J. B. Phipps & O'Kennon

Species Crataegus sheridana A. Nelson

Species Crataegus tomentosa L.

Species Crataegus ursopedensis J. B. Phipps & O'Kennon

Genus Dasiphora Raf.

Species Dasiphora fruticosa (L.) Rydb.

Genus Dryas L.

Species Dryas hookeriana Juz.

Species Dryas integrifolia Vahl

subspecies Dryas integrifolia Vahl ssp. integrifolia

subspecies Dryas integrifolia Vahl ssp. sylvatica (Hultén) Hultén

Species Dryas integrifolia Vahl × Dryas octopetala L.

Species Dryas octopetala L. × Dryas integrifolia Vahl

Species Dryas octopetala L. × Dryas integrifolia Vahl ssp. sylvatica (Hultén) Hultén

Species Dryas drummondii Richardson ex Hook.

variety Dryas drummondii Richardson ex Hook. var. tomentosa L. O. Williams

Species Dryas octopetala L.

subspecies Dryas octopetala L. ssp. hookeriana (Juz.) Hultén

Genus Drymocallis Fourreau ex Rydberg

Species Drymocallis arguta (Pursh) Rydberg

Species Drymocallis convallaria (Rydberg) Rydberg

Species Drymocallis glandulosa (Lindley) Rydberg

variety Drymocallis glandulosa (Lindley) Rydberg var. glandulosa

Genus Filipendula Mill.

Species Filipendula ulmaria (L.) Maxim.

Species Filipendula vulgaris Moench

Genus Fragaria L.

Species Fragaria americana (Porter) Britton

Species Fragaria bracteata A. Heller

Species Fragaria glauca (S. Wats.) Rydb.

Species Fragaria platypetala Rydb.

Species Fragaria vesca L.

subspecies Fragaria vesca L. ssp. americana (Porter) Staudt

variety Fragaria vesca L. var. americana Porter

variety Fragaria vesca L. var. bracteata (A. Heller) R. J. Davis

variety Fragaria vesca L. var. crinita (Rydb.) Hitchc.

Species Fragaria virginiana Duchesne

Species Fragaria virginiana Mill.

subspecies Fragaria virginiana Mill. ssp. glauca (S. Wats.) Staudt

subspecies Fragaria virginiana Mill. ssp. virginiana

variety Fragaria virginiana Mill. var. glauca S. Wats.

variety Fragaria virginiana Mill. var. platypetala (Rydb.) H. M. Hall

variety Fragaria virginiana Mill. var. terrae-novae (Rydb.) Fernald & Wiegand

Species Fragaria viridis Duch.

Genus Geum L.

Species Geum aleppicum Jacq.

variety Geum aleppicum Jacq. var. strictum (Aiton) Fernald

Species Geum macrophyllum Willd.

variety Geum macrophyllum Willd. var. perincisum (Rydb.) Raup

Species Geum montanum L.

Species Geum perincisum Rydb.

Species Geum rivale L.

Species Geum rossii (R. Br.) Ser.

variety Geum rossii (R. Br.) Ser. var. turbinatum (Rydb.) C. L. Hitchc.

Species Geum triflorum Pursh

Species Geum urbanum L.

Genus Holodiscus (K. Koch) Maxim.

Species Holodiscus discolor (Pursh) Maxim.

Genus Luetkea Bong.

Species Luetkea pectinata (Pursh) Kuntze

Genus Malus Mill.

Species Malus adstringens Zabel

Species Malus atrosanguinea (Spath) C. K. Schneid.

Species Malus baccata (L.) Borkh.

Species Malus brevipes Rehder

Species Malus floribunda Sieber

Species Malus fusca (Raf.) C. K. Schneid.

Species Malus glabrata Rehder

Species Malus glaucescens Rehder

Species Malus halliana Koehne

Species Malus kansuensis (Batalin) C. K. Schneid.

Species Malus platycarpa Rehder

Species Malus pumila Mill.

Species Malus robusta Carr

Species Malus sargentii Rehder

Species Malus sieboldii (Regel) Rehder

variety Malus sieboldii (Regel) Rehder var. arborescens Rehder

variety Malus sieboldii (Regel) Rehder var. calocarpa Rehder

Species Malus sikkimensis (Wenz.) Koehne

Species Malus sublobata Rehder

Species Malus sylvestris Mill.

Species Malus theifera Rehder

Species Malus × arnoldiana (Rehder) Rehder

Species Malus coronaria (L.) Mill.

variety Malus coronaria (L.) Mill. var. dasycalyx Rehder

Species Malus ioensis (Alph. Wood) Britton

variety Malus ioensis (Alph. Wood) Britton var. ioensis

Genus Neillia D. Don

Species Neillia affinis Hemsl.

Species Neillia sinensis Oliv.

Species Neillia thibetica Bureau & Franch.

Species Neillia uekii Nakai

Genus Oemleria Rchb.

Species Oemleria cerasiformis (Torr. & A. Gray ex Hook. & Arn.) J. W. Landon

Genus Padus Mill.

Species Padus avium Mill.

Genus Physocarpus (Cambess.) Raf.

Species Physocarpus capitatus (Pursh) Kuntze

Species Physocarpus opulifolius (L.) Maxim.

Genus Potentilla L.

Species Potentilla anserina L.

subspecies Potentilla anserina L. ssp. anserina

subspecies Potentilla anserina L. ssp. pacifica (Howell) Rousi

variety Potentilla anserina L. var. yukonensis (Hultén) B. Boivin

form Potentilla anserina L. forma sericea (Hayne) Hayek

Species Potentilla argentea L.

Species Potentilla arguta Pursh

Species Potentilla biflora Willd. ex Schltdl.

Species Potentilla bimundorum Soják

Species Potentilla bipinnatifida Douglas ex Hook.

Species Potentilla chamissonis Hultén

Species Potentilla concinna Richardson

variety Potentilla concinna Richardson var. concinna

variety Potentilla concinna Richardson var. macounii (Rydberg) C. L. Hitchcock

Species Potentilla diversifolia Lehm.

variety Potentilla diversifolia Lehm. var. glaucophylla (Lehm.) Lehm.

variety Potentilla diversifolia Lehm. var. perdissecta (Rydberg) C. L. Hitchcock

Species Potentilla effusa Douglas ex Lehm.

Species Potentilla elegans Cham. & Schltdl.

Species Potentilla emarginata Desf.

Species Potentilla flabellifolia Hook. ex Torr. & A. Gray

Species Potentilla fruticosa L.

Species Potentilla gracilis Douglas ex Hook.

variety Potentilla gracilis Douglas ex Hook. var. fastigiata (Nuttall) S. Watson

variety Potentilla gracilis Douglas ex Hook. var. flabelliformis (Lehmann) Nuttall ex Torrey & A. Gray

variety Potentilla gracilis Douglas ex Hook. var. gracilis

variety Potentilla gracilis Douglas ex Hook. var. rigida S. Wats.

Species Potentilla heptaphylla L.

Species Potentilla hippiana Lehm.

Species Potentilla hyparctica Malte

variety Potentilla hyparctica Malte var. elatior (Abrom.) Fernald

Species Potentilla inclinata Villars

Species Potentilla jepsonii Ertter

Species Potentilla lasiodonta Rydb.

Species Potentilla litoralis Rydb.

Species Potentilla multicaulis Bunge

Species Potentilla nana Willd. ex Schltdl.

Species Potentilla nivea L.

variety Potentilla nivea L. var. tomentosa Nilsson-Ehle ex Hultén

Species Potentilla norvegica L.

variety Potentilla norvegica L. var. hirsuta (Michx.) Lehm.

Species Potentilla ovina Macoun ex J. M. Macoun

Species Potentilla palustris (L.) Scop.

Species Potentilla pulchella R. Br.

Species Potentilla pulcherrima Lehmann

Species Potentilla pumila Poir.

Species Potentilla recta L.

Species Potentilla rivalis Nutt.

Species Potentilla rubricaulis Lehm.

Species Potentilla subgorodkovii Jurtzev

Species Potentilla tikhomirovii Jurtzev

Species Potentilla tridentata Sol. in Ait.

Species Potentilla uniflora Ledeb.

Species Potentilla uschakovii Jurtzev

Species Potentilla vahliana Lehm.

Species Potentilla villosula Jurtzev

Species Potentilla yukonensis Hultén

Species Potentilla × friedrichsenii Spath ex C. K.Schneid.

Species Potentilla arenosa (Turczaninow) Juzepczuk

subspecies Potentilla arenosa (Turczaninow) Juzepczuk ssp. arenosa

subspecies Potentilla arenosa (Turczaninow) Juzepczuk ssp. chamissonis (Hultén) Elven & D. F. Murray

Species Potentilla egedii Wormsk.

subspecies Potentilla egedii Wormsk. ssp. egedii

Species Potentilla glandulosa Lindl.

subspecies Potentilla glandulosa Lindl. ssp. pseudorupestris (Rydb.) D. D. Keck

Species Potentilla glaucophylla Lehm.

variety Potentilla glaucophylla Lehmann var. glaucophylla

Species Potentilla pensylvanica L.

variety Potentilla pensylvanica L. var. brevipila Soják

variety Potentilla pensylvanica L. var. glabrata (Lehm.) S. Watson

variety Potentilla pensylvanica L. var. macrotricha Sojak

Species Potentilla supina L.

subspecies Potentilla supina L. ssp. paradoxa (Nuttall) Soják

Genus Prunus L.

Species Prunus alleghaniensis Porter

Species Prunus americana Marshall

Species Prunus angustifolia Marshall

Species Prunus armeniaca L.

Species Prunus avium (L.) L.

Species Prunus canescens M. Vilm. & Bois

Species Prunus cerasifera Ehrh.

Species Prunus cerasus L.

Species Prunus dasycarpa Ehrh.

Species Prunus domestica L.

Species Prunus emarginata (Douglas) Eaton

Species Prunus fruticosa Pall.

Species Prunus glandulosa Thunb.

Species Prunus hortulana L. H.Bailey

Species Prunus incana Decne.

Species Prunus incisa Thunb.

Species Prunus lannesiana (Carrière) E. H. Wilson

Species Prunus laucheana Bolle ex Dippel

Species Prunus maackii Rupr.

Species Prunus maritima Marshall

Species Prunus melanocarpa (A. Nelson) Rydb.

Species Prunus munsoniana W. Wight & Hedrick

Species Prunus nigra Aiton

Species Prunus orthosepala Koehne

Species Prunus parviflora Paill.

Species Prunus pensylvanica L. f.

Species Prunus pumila L.

Species Prunus reverchonii Sarg.

Species Prunus rotundifolia Raf.

Species Prunus salicina Lindl.

Species Prunus serotina Ehrh.

Species Prunus serrulata Lindl.

variety Prunus serrulata Lindl. var. spontanea E. H. Wilson

Species Prunus sibirica L.

Species Prunus sieboldii (Carrière) Koidz.

Species Prunus spinosa L.

Species Prunus subhirtella Miq.

variety Prunus subhirtella Miq. var. ascendens E. H. Wilson

variety Prunus subhirtella Miq. var. autumnalis Makino

variety Prunus subhirtella Miq. var. pendula Y. Tanaka

Species Prunus virginiana L.

variety Prunus virginiana L. var. demissa (Nutt.) Torr.

variety Prunus virginiana L. var. melanocarpa (A. Nelson) Sarg.

variety Prunus virginiana L. var. virginiana

form Prunus virginiana L. forma leucocarpa Haynie

Genus Purshia DC. ex Poir.

Species Purshia tridentata (Pursh) DC.

Genus Pyrus L.

Species Pyrus betulifolia Bunge

Species Pyrus calleryana Decne.

Species Pyrus communis L.

Species Pyrus malus L.

Species Pyrus microcarpa (Pursh) DC.

Species Pyrus pashia Buch.-Ham. ex D. Don

Species Pyrus pyrifolia (Burm. f.) Nakai

Species Pyrus salicifolia Pall.

Species Pyrus spinosa Forssk.

Species Pyrus ussuriensis Maxim.

Genus Rosa L.

Species Rosa acicularis Lindl.

subspecies Rosa acicularis Lindl. ssp. acicularis

subspecies Rosa acicularis Lindl. ssp. sayi (Schwein.) W. H. Lewis

variety Rosa acicularis Lindl. var. bourgeauiana Crép.

variety Rosa acicularis Lindl. var. cucurbiformis Raup

Species Rosa arkansana Porter

Species Rosa dumalis Bechst.

Species Rosa gymnocarpa Nutt.

Species Rosa pendulina L.

Species Rosa rubiginosa L.

Species Rosa woodsii Lindl.

subspecies Rosa woodsii Lindl. ssp. woodsii

variety Rosa woodsii Lindl. var. hispida Turner

variety Rosa woodsii Lindl. var. woodsii

Species Rosa × canadensis W. H. Lewis

Species Rosa × harmsiana W. H. Lewis

Species Rosa blanda Aiton

subspecies Rosa blanda Aiton ssp. subserrulata (Rydb.) W. H. Lewis

Species Rosa nutkana C. Presl

variety Rosa nutkana C. Presl var. nutkana

Genus Rubus L.

Species Rubus acaulis Michx.

Species Rubus bellobatus L. H. Bailey

Species Rubus bracteolifer Fernald

Species Rubus caesius L.

Species Rubus chamaemorus L.

Species Rubus jaysmithii L. H. Bailey

Species Rubus lasiococcus A. Gray

Species Rubus lepagei L. H. Bailey

Species Rubus leucodermis Douglas ex Torrey & A. Gray

Species Rubus odoratus L.

Species Rubus parviflorus Nutt.

Species Rubus pedatus Sm.

Species Rubus pubescens Raf.

variety Rubus pubescens Raf. var. pubescens

Species Rubus spectabilis Pursh

Species Rubus strigosus Michx.

Species Rubus ursinus Chamisso & Schlechtendal

Species Rubus arcticus L.

subspecies Rubus arcticus L. ssp. acaulis (Michx.) Focke

Species Rubus idaeus L.

subspecies Rubus idaeus L. ssp. strigosus (Michaux) Focke

Genus Sanguisorba L.

Species Sanguisorba officinalis L.

Genus Sibbaldia L.

Species Sibbaldia procumbens L.

Species Sibbaldia tridentata (Aiton) Paule & Soják

Genus Sibbaldiopsis Rydb.

Species Sibbaldiopsis tridenta (Aiton) Rydb.

Genus Sorbaria (Ser.) A. Braun

Species Sorbaria sorbifolia (L.) A. Braun

Genus Sorbus L.

Species Sorbus aucuparia L.

Species Sorbus scopulina Greene

Species Sorbus sitchensis M. Roem.

variety Sorbus sitchensis M. Roem. var. sitchensis

Genus Spiraea L.

Species Spiraea alba Du Roi

Species Spiraea beauverdiana C.K. Schneid.

Species Spiraea betulifolia Pall.

variety Spiraea betulifolia Pall. var. corymbosa (Raf.) Maxim.

Species Spiraea densiflora Nutt. ex Torr. & A. Gray

Species Spiraea douglasii Hook.

variety Spiraea douglasii Hook. var. douglasii

variety Spiraea douglasii Hook. var. menziesii (Hook.) C. Presl

Species Spiraea lucida Douglas ex Greene

Species Spiraea salicifolia L.

Species Spiraea tomentosa L.

Genus Vauquelinia Corrêa ex Bonpl.

Species Vauquelinia californica (Torr.) Sarg.

Genus Waldsteinia Willd.

Species Waldsteinia fragarioides (Michaux) Trattinnick

Family Ulmaceae

Genus Chaetachme Planch.

Species Chaetachme aristata Planch.

Genus Ulmus L.

Species Ulmus alata Michx.

Species Ulmus americana L.

Species Ulmus crassifolia Nutt.

Species Ulmus glabra Huds.

Species Ulmus laevis Pall.

Species Ulmus mexicana (Liebm.) Planch.

Species Ulmus parvifolia Jacq.

Species Ulmus pumila L.

Species Ulmus rubra Muhl.

Species Ulmus serotina Sarg.

Species Ulmus thomasii Sarg.

Family Urticaceae

Genus Boehmeria Jacq.

Species Boehmeria cylindrica (L.) Sw.

Species Boehmeria nivea (L.) Gaudich.

Genus Droguetia Gaudich.

Species Droguetia debilis Rendle

Genus Laportea Gaudich.

Species Laportea canadensis (L.) Wedd.

Genus Parietaria L.

Species Parietaria floridana Nutt.

Species Parietaria officinalis L.

Species Parietaria pensylvanica Muhl. ex Willd.

Genus Pilea Lindl.

Species Pilea johnstonii Oliv.

Species Pilea pumila (L.) A. Gray

Genus Pipturus Wedd.

Species Pipturus albidus A. Gray ex H. Mann

Genus Urtica L.

Species Urtica chamaedryoides Pursh

Species Urtica gracilis Aiton

Species Urtica lyallii S. Wats.

Species Urtica urens L.

Species Urtica dioica L.

subspecies Urtica dioica L. ssp. dioica

subspecies Urtica dioica L. ssp. gracilis (Aiton) Selander

subspecies Urtica dioica L. ssp. holosericea (Nutt.) Thorne

variety Urtica dioica L. var. lyallii (S. Wats.) C. L. Hitchc.

variety Urtica dioica L. var. procera (Muhl. ex Willd.) Wedd.

Order Santalales

Family Loranthaceae

Genus Amyema Tiegh.

Species Amyema miquelii (Lehm. ex Miq.) Tiegh.

Species Amyema pendula (Spreng.) Tiegh.

Genus Dendrophthoe Mart.

Species Dendrophthoe vitellina (F. Muell.) Tiegh.

Genus Loranthus Jacq.

Species Loranthus marginatus Desr.

Family Opiliaceae

Genus Rhopalopilia Pierre

Species Rhopalopilia umbellulata (Baill.) Engl.

Family Santalaceae

Genus Korthalsella Tiegh.

Genus Arceuthobium M. Bieb.

Species Arceuthobium americanum Nutt. ex Engelm.

Species Arceuthobium campylopodum Engelm.

Species Arceuthobium douglasii Engelm.

Species Arceuthobium pusillum Peck

Genus Comandra Nutt.

Species Comandra livida Richardson

Species Comandra pallida A. DC.

Species Comandra richardsiana Fernald

Species Comandra umbellata (L.) Nutt.

subspecies Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl

subspecies Comandra umbellata (L.) Nutt. ssp. umbellata

variety Comandra umbellata (L.) Nutt. var. angustifolia (A. DC.) Torr.

variety Comandra umbellata (L.) Nutt. var. decumbens E. J. Hill

variety Comandra umbellata (L.) Nutt. var. pallida (A. DC.) M. E. Jones

variety Comandra umbellata (L.) Nutt. var. umbellata

Genus Exocarpos Labill.

Species Exocarpos cupressiformis Labill.

Genus Geocaulon Fern.

Species Geocaulon lividum (Richardson) Fern.

Genus Phoradendron Nutt.

Species Phoradendron bolleanum (Seem.) Eichler

Species Phoradendron californicum Nutt.

Species Phoradendron capitellatum Torr. ex Trel.

Species Phoradendron coryae Trel.

Species Phoradendron densum Torr. ex Trel.

Species Phoradendron flavescens Nutt.

Species Phoradendron juniperinum Engelm. ex A. Gray

Species Phoradendron villosum Nutt.

Genus Pyrularia Michx.

Species Pyrularia pubera Michx.

Genus Santalum L.

Species Santalum paniculatum Hook. & Arn.

Genus Thesium L.

Species Thesium alpinum L.

Species Thesium linophyllon L.

Species Thesium ramosum Hayne

Genus Viscum L.

Species Viscum album L.

subspecies Viscum album L. ssp. album

subspecies Viscum album L. ssp. austriacum Vollm.

Order Sapindales

Family Anacardiaceae

Genus Lithraea Endl.

Species Lithraea caustica (Molina) Hook. & Arn.

Genus Mangifera L.

Species Mangifera indica L.

Genus Rhus L.

Species Rhus aromatica Aiton

variety

Species Rhus canadensis Marshall

Species Rhus copallina L.

Species Rhus integrifolia (Nutt.) Benth. & Hook. f. ex Rothr.

Species Rhus laurina Nutt.

Species Rhus michauxii Sarg.

Species Rhus natalensis Bernh.

Species Rhus ovata S. Wats.

Species Rhus radicans L.

Species Rhus trilobata Nutt.

Species Rhus typhina L.

Species Rhus glabra L.

variety Rhus glabra L. var. occidentalis Torr.

Genus Schinus L.

Species Schinus molle L.

Genus Toxicodendron Mill.

Species

Species Toxicodendron vernix (L.) Kuntze

Species Toxicodendron radicans (Linnaeus) Kuntze

variety Toxicodendron radicans (Linnaeus) Kuntze var. radicans

variety Toxicodendron radicans (Linnaeus) Kuntze var. rydbergii (Small ex Rydb.) Erskine

Family Meliaceae

Genus Dysoxylum Blume

Genus Guarea F. Allam. ex L.

Species Guarea guara (Jacq.) P. Wilson

Genus Melia L.

Species Melia azedarach L.

Genus Turraea L.

Species Turraea mombassana C. DC.

Species Turraea nilotica Kotschy & Peyr.

Family Rutaceae

Genus Citrus L.

Genus Acradenia Kippist

Species Acradenia euodiiformis (F.Muell.) T. G.Hartley

Genus Boronia Sm.

Species Boronia pinnata Sm.

Species Boronia serrulata Sm.

Genus Clausena Burm. f.

Species Clausena anisata (Willd.) Hook. f. ex Benth.

Genus Cneoridium Hook. f.

Species Cneoridium dumosum (Nutt. ex Torr. & A. Gray) Hook. f. ex Baill.

Genus Correa Andrews

Species Correa lawrenceana Hook.

Genus Eriostemon Sm.

Species Eriostemon australasius Pers.

Species Eriostemon buxifolius Sm.

Genus Euodia J. R. Forst. & G. Forst.

Species Euodia polybotrya C. Moore & F. Muell.

Genus Haplophyllum A. Juss.

Species Haplophyllum acutifolium (DC.) G. Don

Species Haplophyllum latifolium Kar. & Kir.

Species Haplophyllum obtusifolium Ledeb.

Species Haplophyllum versicolor Fisch. & C. A. Mey.

Genus Phebalium Vent.

Species Phebalium ovatifolium F. Muell.

Genus Philotheca Rudge

Species Philotheca salsolifolia (Sm.) Druce

Genus Ptelea L.

Species Ptelea trifoliata L.

variety Ptelea trifoliata L. var. mollis Torr. & A. Gray

Species Ptelea baldwinii Torr. & A. Gray

variety Ptelea baldwinii Torr. & A. Gray var. crenulata (Greene) Jeps.

Genus Ruta L.

Species Ruta graveolens L.

Genus Thamnosma Torr. & Frém.

Species Thamnosma montanum Torr. & Frém.

Genus Zanthoxylum L.

Species Zanthoxylum americanum Mill.

Family Sapindaceae

Genus Acer L.

Species Acer argutum Maxim.

Species Acer campestre L.

Species Acer cappadocicum Gled.

Species Acer carpinifolium Siebold & Zucc.

Species Acer circinatum Pursh

Species Acer douglasii Hook.

Species Acer ginnala Maxim.

Species Acer glabrum Torr.

subspecies Acer glabrum Torr. ssp. douglasii Wesmael

variety Acer glabrum Torr. var. douglasii (Hook.) Dippel

variety Acer glabrum Torr. var. glabrum

Species Acer grandidentatum Nutt.

Species Acer griseum (Franch.) Pax

Species Acer heldreichii Orph. ex Boiss.

Species Acer japonicum Thunb.

Species Acer leiocarpum Opiz

Species Acer macrophyllum Pursh

Species Acer micranthum Siebold & Zucc.

Species Acer miyabei Maxim.

Species Acer mono Maxim.

Species Acer neglectum Hoffmanns. ex Walp.

Species Acer negundo L.

variety Acer negundo L. var. californicum (Torr. & A. Gray) Sarg.

variety Acer negundo L. var. interius (Britton) Sarg.

variety Acer negundo L. var. negundo

variety Acer negundo L. var. texanum Pax

form Acer negundo L. forma loeveorum B. Boivin

form Acer negundo L. forma sanguineum L. Martin

Species Acer nigrum F. Michx.

Species Acer nikoense Maxim.

Species Acer opalus Mill.

Species Acer palmatum Thunb.

subspecies Acer palmatum Thunb. ssp. septemlobum Koidz.

Species Acer pensylvanicum L.

Species Acer pictum Thunb.

subspecies Acer pictum Thunb. ssp. mono (Maxim.) H. Ohashi

Species Acer platanoides L.

form Acer platanoides L. forma schwedleri Schwerin

Species Acer pseudoplatanus L.

Species Acer rubrum L.

variety Acer rubrum L. var. drummondii Sarg.

variety Acer rubrum L. var. rubrum

Species Acer rufinerve Siebold & Zucc.

Species Acer saccharinum L.

Species Acer saccharum Marshall

Species Acer sieboldianum Miq.

Species Acer spicatum Lam.

Species Acer tataricum L.

subspecies Acer tataricum L. ssp. ginnala (Maxim.) Wesm.

Species Acer truncatum Bunge

Species Acer zoeschense Pax

Species Acer diabolicum Blume ex Koch

variety Acer diabolicum Blume ex Koch var. purpurascens (Franch. & Sav.) Rehder

Species Acer insigne Boiss. & Buhse

variety Acer insigne Boiss. & Buhse var. velutinum Boiss.

Genus Aesculus L.

Species Aesculus californica (Spach) Nutt.

Species Aesculus carnea Hayne

Species Aesculus flava Ait.

Species Aesculus glabra Willd.

variety Aesculus glabra Willd. var. sargentii Rehder

Species Aesculus hippocastanum L.

variety Aesculus hippocastanum L. var. beaumanii C. K. Schneid.

Species Aesculus parryi A. Gray

Species Aesculus pavia L.

variety Aesculus pavia L. var. pavia

Genus Cardiospermum L.

Species Cardiospermum corindum L.

Species Cardiospermum halicacabum L.

Genus Diploglottis Hook. f.

Species Diploglottis cunninghamii (Hook.) Benth.

Genus Dodonaea Mill.

Species Dodonaea triquetra J. C. Wendl.

Species Dodonaea viscosa Jacq.

Genus Haplocoelum Radlk.

Species Haplocoelum inoploeum Radlk.

Genus Pappea Eckl. & Zeyh.

Species Pappea capensis Eckl. & Zeyh.

Genus Sapindus L.

Species Sapindus drummondii Hook. & Arn.

Family Simaroubaceae

Genus Ailanthus Desf.

Species Ailanthus altissima (Mill.) Swingle

Species Ailanthus glandulosa Desf.

Order Saxifragales

Family Altingiaceae

Genus Liquidambar L.

Species Liquidambar styraciflua L.

Family Crassulaceae

Genus Hylotelephium H. Ohba

Genus Bryophyllum Salisb.

Species Bryophyllum tubiflorum Harv.

Genus Cotyledon L.

Species Cotyledon edulis (Nutt.) Brewer

Genus Dudleya Britton & Rose

Species Dudleya saxosa (M. E. Jones) Britton & Rose

subspecies Dudleya saxosa (M. E. Jones) Britton & Rose ssp. collomiae (Rose) Moran

Genus Echeveria DC.

Species Echeveria lanceolata Nutt.

variety Echeveria lanceolata Nutt. var. aloides (Rose) Munz

Genus Kalanchoe Adans.

Species Kalanchoe lanceolata (Forssk.) Pers.

Species Kalanchoe lateritia Engl.

Genus Rhodiola L.

Species Rhodiola quadrifida (Pall.) Schrenk

Species Rhodiola rhodantha (A. Gray) H. Jacobsen

Species Rhodiola rosea L.

Species Rhodiola integrifolia Raf.

subspecies Rhodiola integrifolia Raf. ssp. integrifolia

Genus Sedum L.

Species Sedum acre L.

subspecies Sedum acre L. ssp. neglectum Rouy & Camus

Species Sedum aizoon L.

Species Sedum album L.

Species Sedum blochmaniae Eastw.

Species Sedum douglasii Hook.

Species Sedum hispanicum L.

Species Sedum hybridum L.

Species Sedum lanceolatum Torr.

variety Sedum lanceolatum Torr. var. lanceolatum

Species Sedum populifolium Pall.

Species Sedum purpureum (L.) Schult.

Species Sedum pusillum Michx.

Species Sedum spathulifolium Hook.

Species Sedum spectabile Boreau

Species Sedum stenopetalum Pursh

Species Sedum telephioides Michx.

Species Sedum tetramerum Trautv.

Species Sedum rupestre L.

subspecies Sedum rupestre L. ssp. reflexum Hegi & E. Schmid

Genus Tillaea L.

Species Tillaea aquatica L.

Species Tillaea erecta Hook. & Arn.

Genus Tolmachevia Á. Löve & D. Löve

Species Tolmachevia integrifolia (Raf.) Á. Löve & D. Löve

Family Grossulariaceae

Genus Ribes L.

Species Ribes alpinum L.

Species Ribes aureum Pursh

Species Ribes bracteosum Douglas

Species Ribes cereum Douglas

Species Ribes diacanthum Pall.

Species Ribes divaricatum Douglas

Species Ribes erythrocarpum Coville & Leib.

Species Ribes glandulosum Grauer

Species Ribes hirtellum Michx.

Species Ribes hudsonianum Richardson

Species Ribes inerme Rydb.

variety Ribes inerme Rydb. var. inerme

Species Ribes lacustre (Pers.) Poir.

Species Ribes lobbii A. Gray

Species Ribes odoratum H. L. Wendl.

Species Ribes oxyacanthoides L.

subspecies Ribes oxyacanthoides L. ssp. oxyacanthoides

variety Ribes oxyacanthoides L. var. oxyacanthoides

Species Ribes sanguineum Pursh

Species Ribes setosum Lindl.

Species Ribes uva-crispa L.

Species Ribes viscosissimum Pursh

Family Haloragaceae

Genus Glischrocaryon Endl.

Species Glischrocaryon aureum (Lindl.) Orchard

Genus Myriophyllum L.

Species Myriophyllum exalbescens Fern.

Species Myriophyllum farwellii Morong

Species Myriophyllum heterophyllum Michx.

Species Myriophyllum quitense Kunth

Species Myriophyllum sibiricum Kom.

Species Myriophyllum spicatum L.

Species Myriophyllum tenellum Bigelow

Species Myriophyllum ussuriense (Regel) Maxim.

Species Myriophyllum verticillatum L.

Family Hamamelidaceae

Genus Fothergilla L.

Species Fothergilla gardenii L.

Species Fothergilla major Lodd.

Genus Hamamelis L.

Species Hamamelis vernalis Sarg.

variety Hamamelis vernalis Sarg. var. tomentella (Rehder) E. J. Palmer

Species Hamamelis virginiana L.

Family Paeoniaceae

Genus Paeonia L.

Species Paeonia anomala L.

Species Paeonia brownii Douglas ex Hook.

Family Penthoraceae

Genus Penthorum L.

Species Penthorum sedoides L.

Family Saxifragaceae

Genus Boykinia Nutt.

Species Boykinia elata (Nutt.) Greene

variety Boykinia elata (Nutt.) Greene var. occidentalis (Torr. & A. Gray) Rosend. ex Engl.

Genus Chrysosplenium L.

Species Chrysosplenium alternifolium L.

Species Chrysosplenium rosendahlii Packer

Genus Heuchera

Species Heuchera cylindrica Douglas ex Hook.

variety Heuchera cylindrica Douglas ex Hook. var. glabella (Torr. & A. Gray) Wheelock

Species Heuchera eastwoodiae Rosend., Butters & Lakela

Species Heuchera flabellifolia Rydb.

Species Heuchera micrantha Douglas ex Lindl.

variety Heuchera micrantha Douglas ex Lindl. var. diversifolia (Rydb.) Rosend., Butters & Lakela

Species Heuchera parvifolia Nutt. ex Torr. & A. Gray

Species Heuchera richardsonii R. Br.

Genus Leptarrhena R. Br.

Species Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser.

Genus Micranthes Hawort

Species Micranthes integrifolia (Hooker) Small

Species Micranthes lyallii (Engler) Small

Species Micranthes nivalis (L.) Small

Species Micranthes occidentalis (S. Watson) Small

Species Micranthes tenuis (Wahlenberg) Small

Species Micranthes tolmiei (Torrey & A. Gray) Brouillet & Gornall

Species Micranthes nelsoniana (D. Don) Small

variety Micranthes nelsoniana (D. Don) Small var. nelsoniana

variety Micranthes nelsoniana (D. Don) Small var. porsildiana (Calder & Savile) Gornall & H. Ohba

Genus Mitella L.

Species Mitella breweri A. Gray

Species Mitella nuda L.

Species Mitella ovalis Greene

Species Mitella pentandra Hook.

Species Mitella trifida Graham

Genus Saxifraga L.

Species Saxifraga adscendens L.

subspecies Saxifraga adscendens L. ssp. oregonensis (Raf.) Bacig.

Species Saxifraga austromontana Wiegand

Species Saxifraga bronchialis L.

subspecies Saxifraga bronchialis L. ssp. austromontana (Wiegand) Piper

subspecies Saxifraga bronchialis L. ssp. cherlerioides (D. Don) Hultén

subspecies Saxifraga bronchialis L. ssp. funstonii (Small) Hultén

variety Saxifraga bronchialis L. var. austromontana (Wiegand) M. Peck

variety Saxifraga bronchialis L. var. purpureomaculata Hultén

Species Saxifraga brunoniana Wall. ex Sternb.

Species Saxifraga caespitosa L.

Species Saxifraga calycina Sternb.

Species Saxifraga cernua L.

Species Saxifraga columbiana Piper

Species Saxifraga eschscholtzii Sternberg

Species Saxifraga ferruginea R. Grah.

Species Saxifraga flagellaris Willd.

subspecies Saxifraga flagellaris Willd. ssp. platysepala (Trautv.) A. E. Porsild

Species Saxifraga foliolosa R. Br.

Species Saxifraga hieraciifolia Waldst. & Kit. ex Willd.

Species Saxifraga hirculus L.

variety Saxifraga hirculus L. var. propinqua (R. Br.) Simmons

Species Saxifraga hyperborea R. Br.

Species Saxifraga lyallii Engl.

variety Saxifraga lyallii Engl. var. hultenii Calder & Savile

Species Saxifraga mertensiana Bong.

Species Saxifraga occidentalis S. Wats.

Species Saxifraga oppositifolia L.

subspecies Saxifraga oppositifolia L. ssp. smalliana (Engl. & Irmsch.) Hultén

Species Saxifraga radiata Small

Species Saxifraga reflexa Hook.

Species Saxifraga rhomboidea Greene

Species Saxifraga rivularis L.

Species Saxifraga tricuspidata Rottb.

Genus Tiarella L.

Species Tiarella cordifolia L.

Species Tiarella trifoliata L.

variety Tiarella trifoliata L. var. laciniata (Hooker) Wheelock

Species Tiarella unifoliata Hook.

Order Solanales

Family Convolvulaceae

Genus Astripomoea Meeuse

Species Astripomoea lachnosperma (Choisy) A. Meeuse

Genus Calystegia R. Br.

Species Calystegia hederacea Wallich

Species Calystegia longipes (S. Watson) Brummitt

Species Calystegia macounii (Greene) Brummitt

Species Calystegia rosea Phil.

Species Calystegia sepium (L.) R. Br.

Species Calystegia spithamaea (L.) Pursh

subspecies Calystegia spithamaea (L.) Pursh ssp. stans (Michx.) Brummitt

Genus Convolvulus L.

Species Convolvulus ammannii Desr.

Species Convolvulus arvensis L.

Species Convolvulus fruticosus Pall.

Species Convolvulus hermannioides A. Gray

Species Convolvulus sepium L.

Species Convolvulus soldanella L.

Species Convolvulus spinifer Popov

Species Convolvulus subhirsutus Regel & Schmalh.

Species Convolvulus occidentalis A. Gray

variety Convolvulus occidentalis A. Gray var. angustissimus A. Gray

Genus Cuscuta L.

Species Cuscuta campestris Yunck.

Species Cuscuta compacta Juss.

Species Cuscuta coryli Engelm.

Species Cuscuta epilinum Weihe

Species Cuscuta epithymum Murray

Species Cuscuta indecora Choisy

Species Cuscuta lehmanniana Bunge

Species Cuscuta megalocarpa Rydb.

Species Cuscuta pentagona Engelmann

Species Cuscuta polygonorum Engelm.

Species Cuscuta salina Engelm.

Species Cuscuta umbrosa Beyr. ex Hook.

Species Cuscuta californica Hook. & Arn.

variety Cuscuta californica Hook. & Arn. var. californica

Genus Evolvulus L.

Species Evolvulus alsinoides (L.) L.

Species Evolvulus nuttallianus Roem. & Schult.

Genus Ipomoea L.

Species Ipomoea barbatisepala A. Gray

Species Ipomoea coccinea L.

Species Ipomoea iodantha Brandegee

Species Ipomoea purpurea (L.) Roth

Genus Jacquemontia Choisy

Species Jacquemontia paniculata (Burm. f.) Hallier f.

Family Solanaceae

Genus Atropa L.

Species Atropa belladonna L.

Genus Browallia L.

Species Browallia speciosa Hook.

Genus Capsicum L.

Species Capsicum frutescens L.

Genus Cestrum L.

Species Cestrum diurnum L.

Genus Chamaesaracha (A. Gray) Benth.

Species Chamaesaracha coronopus (Dunal) A. Gray

Species Chamaesaracha grandiflora (Hook.) Fernald

Genus Datura L.

Species Datura meteloides Dunal

Species Datura stramonium L.

Species Datura wrightii Regel

Genus Hyoscyamus L.

Species Hyoscyamus niger L.

Genus Lycium L.

Species Lycium andersonii A. Gray

Species Lycium berlandieri Dunal

Species Lycium cooperi A. Gray

Species Lycium fremontii A. Gray

Species Lycium halimifolium Mill.

Species Lycium torreyi A. Gray

Species Lycium pallidum Miers

variety Lycium pallidum Miers var. oligospermum C. L. Hitchc.

Genus Lycopersicon Mill.

Species Lycopersicon esculentum Mill.

Genus Margaranthus Schltdl.

Species Margaranthus solanaceus Schltdl.

Genus Nicotiana L.

Species Nicotiana attenuata Steud.

Species Nicotiana glauca Graham

Species Nicotiana trigonophylla Dunal

Genus Physalis L.

Species Physalis acutifolia (Miers) Sandwith

Species Physalis crassifolia Benth.

Species Physalis fendleri A. Gray

Species Physalis grandiflora Hook.

Species Physalis hederifolia A. Gray

Species Physalis heterophylla Nees

variety Physalis heterophylla Nees var. heterophylla

Species Physalis ixocarpa Brot. ex Hornem.

Species Physalis lobata Torr.

Species Physalis neomexicana Rydb.

Species Physalis pubescens L.

Species Physalis virginiana Mill.

variety Physalis virginiana Mill. var. subglabrata (Mack. & Bush) Waterf.

variety Physalis virginiana Mill. var. virginiana

Genus Solanum L.

Species Solanum americanum Mill.

Species Solanum aviculare G. Forst.

Species Solanum californicum Dunal

Species Solanum carolinense L.

Species Solanum douglasii Dunal

Species Solanum dulcamara L.

Species Solanum elaeagnifolium Cav.

Species Solanum fendleri A. Gray

Species Solanum hastifolium Dunal

Species Solanum hindsianum Benth.

Species Solanum jamesii Torr.

Species Solanum marginatum L. f.

Species Solanum nigrum L.

variety Solanum nigrum L. var. nigrum

Species Solanum nodiflorum Jacq.

Species Solanum parishii A. Heller

Species Solanum pseudocapsicum L.

Species Solanum ptychanthum Dunal ex de Candolle

Species Solanum rostratum Dunal

Species Solanum sarachoides Sendtn.

Species Solanum triflorum Nutt.

Species Solanum umbelliferum Eschsch.

Species Solanum xanthocarpum Schrad. & J. C. Wendl.

Species Solanum xanti A. Gray

variety Solanum xanti A. Gray var. glabrescens Parish

variety Solanum xanti A. Gray var. intermedium Parish

Family Sphenocleaceae

Genus Sphenoclea Gaertn.

Species Sphenoclea zeylanica Gaertn.

Order Vitales

Family Vitaceae

Genus Ampelopsis Michx.

Species Ampelopsis cordata Michx.

Species Ampelopsis vitifolia (Boiss.) Planch.

Genus Nekemias Rafinesque

Species Nekemias arborea (Linnaeus) J. Wen & Boggan

Genus Parthenocissus Planch.

Species Parthenocissus inserta (J. Kern.) Fritsch

Species Parthenocissus quinquefolia (L.) Planch.

form Parthenocissus quinquefolia (L.) Planch. forma macrophylla (Lauche) B. Boivin

Species Parthenocissus vitacea (Knerr) Hitchc.

Genus Vitis L.

Species Vitis aestivalis Michx.

Species Vitis arizonica Engelm.

Species Vitis cinerea Engelm.

Species Vitis cordifolia Michx.

Species Vitis girdiana Munson

Species Vitis incisa Jacq.

Species Vitis labrusca L.

Species Vitis riparia Michx.

Species Vitis rotundifolia Michx.

Species Vitis vulpina L.

Order Zygophyllales

Family Krameriaceae

Genus Krameria Loefl.

Species Krameria erecta Willd. ex Schult.

Species Krameria lanceolata Torr.

Species Krameria parvifolia Benth.

Species Krameria secundiflora DC.

Family Zygophyllaceae

Genus Fagonia L.

Species Fagonia californica Benth.

Genus Kallstroemia Scop.

Species Kallstroemia californica (S. Watson) Vail

Genus Larrea Cav.

Species Larrea divaricata Cav.

Species Larrea tridentata (Sessé & Moc. ex DC.) Coville

variety Larrea tridentata (Sessé & Moc. ex DC.) Coville var. glutinosa (Engelm.) Jeps.

Genus Tribulus L.

Species Tribulus terrestris L.

Genus Viscainoa Greene

Species Viscainoa geniculata (Kellogg) Greene

variety Viscainoa geniculata (Kellogg) Greene var. geniculata

Genus Zygophyllum L.

Species Zygophyllum atriplicoides Fisch. & C. A. Mey.

Species Zygophyllum burcharicum B. Fedtsch.

Species Zygophyllum fabago L.

Species Zygophyllum miniatum Cham. & Schltdl.

Species Zygophyllum steropterum Schrenk

Class Monocots

Order Acorales

Family Acoraceae

Genus Acorus L.

Species Acorus americanus (Raf.) Raf.

Species Acorus calamus L.

Species Acorus gramineus Ait.

Order Alismatales

Family Alismataceae

Genus Caldesia Parl.

Genus Alisma L.

Species Alisma gramineum Lej.

Species Alisma plantago-aquatica L.

Species Alisma subcordatum Raf.

Species Alisma triviale Pursh

Species Alisma gramineum C. C. Gmel.

variety Alisma gramineum C. C. Gmel. var. gramineum

Genus Damasonium Mill.

Species Damasonium californicum Torr.

Genus Echinodorus Rich. ex Engelm.

Species Echinodorus cordifolius (L.) Griseb.

Species Echinodorus rostratus (Nutt.) Engelm.

form Echinodorus rostratus (Nutt.) Engelm. forma rostratus

Genus Limnocharis Bonpl.

Species Limnocharis flava (L.) Buchenau

Genus Sagittaria L.

Species Sagittaria brevirostra Mack. & Bush

Species Sagittaria cuneata Sheldon

Species Sagittaria graminea Michx.

variety Sagittaria graminea Michx. var. graminea

variety Sagittaria graminea Michx. var. platyphylla Engelm.

Species Sagittaria papillosa Buchenau

Species Sagittaria rigida Pursh

Species Sagittaria sagittifolia L.

Family Araceae

Genus Anthurium Schott

Genus Monstera Adans.

Genus Aglaodorum Schott

Species Aglaodorum griffithii Schott

Genus Amydrium Schott

Species Amydrium medium (Zoll. & Moritzi) Nicolson

Genus Anaphyllopsis A. Hay

Species Anaphyllopsis americana (Engl.) A. Hay

Genus Anubias Schott

Species Anubias afzelii Schott

Genus Arisaema Mart.

Species Arisaema dracontium (L.) Schott

Species Arisaema stewardsonii Britton

Species Arisaema triphyllum (L.) Schott

subspecies Arisaema triphyllum (L.) Schott subsp. triphyllum

Genus Arophyton Jum.

Species Arophyton buchetii Bogner

Genus Asterostigma Fisch. & C. A. Mey.

Species Asterostigma pavonii Schott

Genus Calla L.

Species Calla palustris L.

Genus Cercestis Schott

Species Cercestis congensis Engl.

Species Cercestis taiensis Bogner & Knecht

Genus Cryptocoryne Fischer ex Wydler

Species Cryptocoryne lingua Becc. ex Engl.

Genus Culcasia P. Beauv.

Species Culcasia liberica N. E. Br.

Species Culcasia rotundifolia Bogner

Genus Cyrtosperma Griff.

Species Cyrtosperma johnstoni N. E. Br.

Species Cyrtosperma merkusii Schott

Genus Dracontioides Engl.

Species Dracontioides desciscens (Schott) Engl.

Genus Dracontium L.

Species Dracontium asperum K. Koch

Species Dracontium grayumianum G. H. Zhu

Species Dracontium nivosum (Lem.) G. H. Zhu

Species Dracontium plowmanii G. H. Zhu

Species Dracontium polyphyllum L.

Species Dracontium purdieanum (Schott) Hook. f.

Species Dracontium soconuscum Matuda

Species Dracontium spruceanum (Schott) G. H. Zhu

Genus Dracunculus Mill.

Species Dracunculus canariensis Kunth

Genus Epipremnum Schott

Species Epipremnum aureum (Linden & Andre) Bunting

Genus Filarum Nicolson

Species Filarum manserichense Nicolson

Genus Furtadoa M. Hotta

Species Furtadoa mixtum (Ridley) M. Hotta

Genus Gonatopus Hook. f. ex Engl.

Species Gonatopus angustus N. E. Br.

Genus Hapaline Schott

Species Hapaline ellipticifolium C. Y. Wu & H. Li

Genus Heteropsis Kunth

Species Heteropsis oblongifolia Kunth

Genus Holochlamys Engl.

Species Holochlamys beccarii Engl.

Genus Homalomena Schott

Species Homalomena rubescens Kunth

Genus Lagenandra Dalzell

Species Lagenandra meeboldii (Engl.) C. E. C. Fischer

Genus Lasia Lour.

Species Lasia spinosa (L.) Thw.

Genus Lasimorpha Schott

Species Lasimorpha senegalensis Schott

Genus Lemna L.

Species Lemna gibba L.

Species Lemna minor L.

Species Lemna minuta H.B.K.

Species Lemna trisulca L.

Species Lemna turionifera Landolt

Genus Lysichiton Schott

Species Lysichiton americanus Hultén & H. St. John

Genus Lysichitum (Schott) Hitchc.

Species Lysichitum americanum Hultén & H. St. John

Genus Montrichardia Crueg.

Species Montrichardia arborescens (L.) Schott

Genus Orontium L.

Species Orontium aquaticum L.

Genus Peltandra Raf.

Species Peltandra virginica (L.) Schott & Endl.

Genus Pinellia Ten.

Species Pinellia ternata (Thunb.) Breitenb.

Genus Piptospatha N.E. Br.

Species Piptospatha ridleyi N. E. Br.

Genus Pistia L.

Species Pistia stratiotes L.

Genus Podolasia N.E. Br.

Species Podolasia stipitata N. E. Br.

Genus Pothos L.

Species Pothos junghuhnii de Vriese

Genus Pycnospatha Thorel ex Gagnep.

Species Pycnospatha arietina Gapnep

Genus Remusatia Schott

Species Remusatia vivipara (Lodd.) Schott

Genus Rhaphidophora Hassk.

Species Rhaphidophora foraminifera Engl.

Genus Schismatoglottis Zoll. & Moritzi

Species Schismatoglottis celebica Engl.

Species Schismatoglottis multiflora Ridley

Genus Scindapsus Schott

Species Scindapsus lucens Bogner & P. C. Boyce

Genus Spathantheum Schott

Species Spathantheum intermedium Bogner

Species Spathantheum orbignyanum Schott

Genus Spathicarpa Hook.

Species Spathicarpa hastifolia Hook.

Species Spathicarpa sagittifolia Schott

Genus Spirodela Schleid.

Species Spirodela polyrhiza (L.) Schleid.

Genus Stylochaeton Lepr.

Species Stylochaeton bogneri Mayo

Species Stylochaeton zenkeri Engl.

Genus Symplocarpus Salisb. ex Nutt.

Species Symplocarpus foetidus (L.) W. Salisb.

Genus Taccarum Brongn. ex Schott

Species Taccarum weddellianum Brongn. ex Schott

Genus Typhonium Schott

Species Typhonium filiforme Ridley

Genus Ulearum Engl.

Species Ulearum sagittatum Engl.

Genus Urospatha Schott

Species Urospatha grandis Schott

Species Urospatha sagittifolia (Rudge) Schott

Species Urospatha tonduzii Engl.

Genus Wolffia Horkel ex Schleid.

Species Wolffia borealis (Engelmann) Landolt

Species Wolffia columbiana Karst.

Species Wolffia punctata Griseb.

Genus Xanthosoma Schott

Species Xanthosoma nigrum (Vell.) Stellfeld

Genus Zamioculcas Schott

Species Zamioculcas zamiifolia Engl.

Family Butomaceae

Genus Butomus L.

Species Butomus umbellatus L.

Family Cymodoceaceae

Genus Halodule Endl.

Species Halodule wrightii Asch.

Genus Syringodium Kütz.

Species Syringodium filiforme Kutz.

Family Hydrocharitaceae

Genus Blyxa Noronha ex Thouars

Species Blyxa japonica (Miq.) Maxim.

Genus Egeria Planch.

Species Egeria densa Planch.

Genus Elodea Michx.

Species Elodea canadensis Michx.

Species Elodea najas (Planch.) Casp.

Species Elodea nuttallii (Planch.) H. St. John

Genus Halophila Thouars

Species Halophila decipiens Ostenf.

Genus Hydrocharis L.

Species Hydrocharis morsus-ranae L.

Genus Lagarosiphon Harv.

Species Lagarosiphon major (Ridley) Moss

Genus Najas L.

Species Najas gracillima (A. Braum ex Engelm.) Magnus

Species Najas marina L.

Species Najas minor All.

Genus Ottelia Pers.

Species Ottelia alismoides (L.) Pers.

Genus Stratiotes L.

Species Stratiotes aloides L.

Genus Thalassia Banks & Sol. ex K. D. Koenig

Species Thalassia testudinum Banks & Sol.

Genus Vallisneria L.

Species Vallisneria americana Michx.

Family Juncaginaceae

Genus Lilaea Bonpl.

Species Lilaea scillioides (Poir.) Hauman

Genus Triglochin L.

Species Triglochin maritima L.

variety Triglochin maritima L. var. elatum (Nutt.) A. Gray

Family Posidoniaceae

Genus Posidonia K.D. Koenig

Species Posidonia australis Hook. f.

Family Potamogetonaceae

Genus Groenlandia J. Gay

Species Groenlandia densa (L.) Fourr.

Genus Potamogeton L.

Species Potamogeton alpinus Balbis

variety Potamogeton alpinus Balbis var. subellipticus (Fern.) Ogden

variety Potamogeton alpinus Balbis var. subellipticus Fern.

variety Potamogeton alpinus Balbis var. tenuifolius (Raf.) Ogden

Species Potamogeton amplifolius Tuckerm.

Species Potamogeton berchtoldii Fieb.

Species Potamogeton capillaceus Poir.

Species Potamogeton crispus L.

Species Potamogeton diversifolius Raf.

Species Potamogeton epihydrus Raf.

variety Potamogeton epihydrus Raf. var. nuttallii (Cham. & Schl.) Fern.

variety Potamogeton epihydrus Raf. var. ramosus (Peck) House

Species Potamogeton filiformis Pers.

variety Potamogeton filiformis Pers. var. alpinus (Blytt) Asch. & Graebn.

variety Potamogeton filiformis Pers. var. borealis (Raf.) H. St. John

variety Potamogeton filiformis Pers. var. macounii Morong

Species Potamogeton friesii Rupr.

Species Potamogeton gramineus L.

variety Potamogeton gramineus L. var. gramineus

variety Potamogeton gramineus L. var. graminifolius Fr.

variety Potamogeton gramineus L. var. maximus Morong ex A. Benn.

variety Potamogeton gramineus L. var. myriophyllus Robbins

Species Potamogeton illinoensis Morong

Species Potamogeton lucens L.

Species Potamogeton marinus L.

Species Potamogeton pectinatus L.

Species Potamogeton pusillus L.

subspecies Potamogeton pusillus L. ssp. pusillus

subspecies Potamogeton pusillus L. ssp. tenuissimus (Mert. & W. D. J. Koch) R. R. Haynes & Hellq.

variety Potamogeton pusillus L. var. tenuissimus Mert. & W. D. J. Koch

Species Potamogeton richardsonii (A. Benn.) Rydb.

Species Potamogeton spirillus Tuckerm.

Species Potamogeton subsibiricus Hagstr.

Species Potamogeton trichoides Cham. & Schlecht.

Species Potamogeton vaginatus Turcz.

Species Potamogeton zosteriformis Fern.

Species Potamogeton lirii M. & K.

variety Potamogeton lirii M. & K. var. lacustris F.

Species Potamogeton perfoliatus L.

subspecies Potamogeton perfoliatus L. ssp. richarsonii (A. Benn.) Hultén

variety Potamogeton perfoliatus L. var. bupleuroides (Fern.) Farwell

variety Potamogeton perfoliatus L. var. richardsonii A. Benn.

Species Potamogeton strictifolius A. Benn.

variety Potamogeton strictifolius A. Benn. var. rutiloides Fern.

Genus Stuckenia Börner

Species Stuckenia filiformis (Pers.) Borner

subspecies Stuckenia filiformis (Pers.) Borner ssp. alpina (Blytt) R. R. Haynes, Les, & M. Král

Species Stuckenia pectinata (L.) Börner

Species Stuckenia subretusa (Hagstr.) Holub

Species Stuckenia vaginata (Turcz.) Holub

Genus Zannichellia L.

Species Zannichellia palustris L.

variety Zannichellia palustris L. var. palustris

Family Ruppiaceae

Genus Ruppia L.

Species Ruppia maritima L.

variety Ruppia maritima L. var. occidentalis (S. Wats.) Graebn.

Species Ruppia occidentalis S. Wats.

Family Scheuchzeriaceae

Genus Scheuchzeria L.

Species Scheuchzeria palustris L.

subspecies Scheuchzeria palustris L. ssp. americana (Fern.) Hultén

variety Scheuchzeria palustris L. var. americana Fern.

Family Tofieldiaceae

Genus Tofieldia Huds.

Species Tofieldia coccinea Richardson

Species Tofieldia glabra Nutt.

Species Tofieldia glutinosa (Michx.) Pers.

Family Zosteraceae

Genus Zostera L.

Species Zostera marina L.

variety Zostera marina L. var. stenophylla Ascherson & Graebner.

Order Arecales

Family Arecaceae

Genus Erythea S. Wats.

Species Erythea armata S. Wats.

Genus Linospadix H. Wendland in H. Wendland & Drude

Species Linospadix monostachya H. Wendl.

Genus Sabal Adans.

Species Sabal minor (Jacq.) Pers.

Genus Washingtonia H. Wendl.

Species Washingtonia filifera Wendl.

Order Asparagales

Family Amaryllidaceae

Genus

Genus Allium L.

Species Allium aaseae Ownbey

Species Allium acuminatum Hook.

Species Allium amplectens Torr.

Species Allium angulosum L.

Species Allium atroviolaceum Boiss.

Species Allium bisceptrum S. Wats.

Species Allium brandegeei S. Wats.

Species Allium brevistylum S. Wats.

Species Allium canadense L.

Species Allium cernuum Roth

Species Allium collinum Douglas ex S. Wats. nom. illeg.

Species Allium douglasii Hook.

Species Allium drummondii Regel

Species Allium haematochiton S. Wats.

Species Allium karataviense Regel

Species Allium nevii S. Wats.

Species Allium oleraceum L.

Species Allium ophiophyllum Vved.

Species Allium peninsulare Lemmon ex Greene

Species Allium rubrum Osterh.

Species Allium schoenoprasum L.

variety Allium schoenoprasum L. var. laurentianum Fern.

variety Allium schoenoprasum L. var. sibiricum (L.) Hartm.

Species Allium senescens L.

Species Allium sibiricum L.

Species Allium stellatum Nutt. ex Ker Gawl.

Species Allium suworowii Regel

Species Allium textile A. Nels. & J. F. Macbr.

Species Allium tricoccum Ait.

Species Allium ursinum L.

Species Allium geyeri S. Wats.

variety Allium geyeri S. Wats. var. tenerum M. E. Jones

Species Allium tolmiei Baker

variety Allium tolmiei Baker var. platyphyllum (Tidestr.) Ownbey

Genus Galanthus L.

Species Galanthus nivalis L.

Genus Nothoscordum Kunth

Species Nothoscordum bivalve (L.) Britton

Genus Zephyranthes Herb.

Species Zephyranthes atamasca (L.) Herb.

Family Asparagaceae

Genus Laxmannia R. Br.

Genus Ruscus L.

Genus Agave L.

Species Agave deserti Engelm.

Species Agave parryi Engelm ssp. parryi

Species Agave parryi Engelm.

variety Agave parryi Engelm. var. huachucensis (Baker) Little

Genus Androstephium Torr.

Species Androstephium coeruleum (Scheele) Greene

Genus Anthericum L.

Species Anthericum ramosum L.

Genus Aphyllanthes L.

Species Aphyllanthes monspeliensis L.

Genus Asparagus L.

Species Asparagus officinalis L.

Genus Beaucarnea Lem.

Species Beaucarnea recurvata Lem.

Genus Bloomeria Kellogg

Species Bloomeria crocea (Torr.) Coville

Genus Brodiaea Sm.

Species Brodiaea capitata Benth.

Species Brodiaea douglasii S. Wats.

Species Brodiaea howellii S. Wats.

Species Brodiaea ixioides (W. T. Ait.) S. Wats.

variety Brodiaea ixioides (W. T. Ait.) S. Wats. var. lugens Jeps.

Species Brodiaea laxa (Benth.) S. Wats.

Species Brodiaea pulchella (Salisb.) Greene

Species Brodiaea synandra (A. Heller) Jeps.

Species Brodiaea volubilis (Kellogg) Baker

Species Brodiaea coronaria (Salisb.) Engl.

subspecies Brodiaea coronaria (Salisb.) Engl. ssp. coronaria

Species Brodiaea elegans Hoover

subspecies Brodiaea elegans Hoover ssp. elegans

Genus Camassia Lindl.

Species Camassia leichtlinii S. Wats.

Species Camassia scilloides (Raf.) Cory

Species Camassia quamash (Pursh) Greene

variety Camassia quamash (Pursh) Greene var. azurea (A. Heller) C. L. Hitchc.

variety Camassia quamash (Pursh) Greene var. maxima (Gould) C. L. Hitchc.

variety Camassia quamash (Pursh) Greene var. utahensis (Gould) C. L. Hitchc.

Genus Chlorogalum (Lindl.) Kunth

Species Chlorogalum pomeridianum (DC.) Kunth

Genus Convallaria L.

Species Convallaria keiskei Miq.

Species Convallaria majalis L.

Genus Dichelostemma Kunth

Species Dichelostemma ida-maia (Alph. Wood) Greene

Species Dichelostemma pulchellum (Salisb.) A. Heller

Genus Hesperocallis A. Gray

Species Hesperocallis undulata A. Gray

Genus Leucocrinum Nutt. ex A. Gray

Species Leucocrinum montanum Nutt. ex A. Gray

Genus Lomandra Labill.

Species Lomandra longifolia Labill.

Species Lomandra obliqua (Thunb.) J. F. Macbr.

Genus Maianthemum F. H. Wigg.

Species Maianthemum bifolium (L.) F. W. Schm.

variety Maianthemum bifolium (L.) F. W. Schm. var. kamtschaticum (J. F. Gmel.) Jeps.

Species Maianthemum canadense Desf.

variety Maianthemum canadense Desf. var. canadense

variety Maianthemum canadense Desf. var. interius Fern.

Species Maianthemum dilatatum (Alph. Wood) A. Nels. & J. F. Macbr.

Species Maianthemum stellatum (L.) Link

Species Maianthemum trifolium (L.) Sloboda

Species Maianthemum racemosum (L.) Link

subspecies Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) La Frankie

subspecies Maianthemum racemosum (L.) Link ssp. racemosum

Genus Muilla S. Wats. ex Benth. & Hook. f.

Species Muilla maritima (Torr.) S. Wats.

Species Muilla serotina Greene

Genus Muscari Mill.

Species Muscari atlanticum Boiss. & Reut.

Species Muscari comosum (L.) Mill.

Species Muscari racemosum (L.) Mill.

Genus Nolina Michx.

Species Nolina bigelovii (Torr.) S. Wats.

Species Nolina microcarpa S. Wats.

Genus Ornithogalum L.

Species Ornithogalum longibracteatum Jacq.

Species Ornithogalum umbellatum L.

Genus Polygonatum Mill.

Species Polygonatum biflorum (Walter) Elliott

Species Polygonatum canaliculatum Pursh

Species Polygonatum giganteum A. Dietr.

Species Polygonatum multiflorum (L.) All.

Species Polygonatum odoratum (Mill.) Druce

Species Polygonatum pubescens (Willd.) Pursh

Genus Schoenolirion Torr.

Species Schoenolirion album Durand

Species Schoenolirion croceum (Michx.) Alph. Wood

Genus Scilla L.

Species Scilla bifolia L.

Species Scilla puschkinoides Regel

Genus Smilacina Desf.

Species Smilacina amplexicaulis Nutt.

Species Smilacina racemosa (L.) Desf.

subspecies Smilacina racemosa (L.) Desf. ssp. amplexicaulis (Nutt.) Breitung

variety Smilacina racemosa (L.) Desf. var. amplexicaulis (Nutt.) S. Wats.

variety Smilacina racemosa (L.) Desf. var. glabra (Macbr.) H. St. John

variety Smilacina racemosa (L.) Desf. var. jenkinsii B. Boivin

variety Smilacina racemosa (L.) Desf. var. lanceolata

Species Smilacina sessilifolia Nutt.

Species Smilacina stellata (L.) Desf.

variety Smilacina stellata (L.) Desf. var. sessilifolia (Baker) L. F. Hender.

variety Smilacina stellata (L.) Desf. var. stellata

Species Smilacina trifolia (L.) Desf.

Genus Triteleia Douglas ex Lindl.

Species Triteleia grandiflora Lindl.

Species Triteleia hyacinthina (Lindl.) Greene

Genus Yucca L.

Species Yucca angustissima Engelm. ex Trel.

Species Yucca baccata Torr.

Species Yucca brevifolia Engelm.

Species Yucca mohavensis Sarg.

Species Yucca whipplei Torr.

Family Asphodelaceae

Genus Asphodeline Rchb.

Species Asphodeline taurica (Pall. ex Bieb.) Endl.

Genus Asphodelus L.

Species Asphodelus albus Mill.

Genus Bulbinella Kunth

Species Bulbinella rossii (Hook. f.) Cheesem.

Genus Dianella Lam. ex Juss.

Species Dianella nigra Colenso

Species Dianella tasmanica Hook. f.

Genus Eremurus M. Bieb.

Species Eremurus sogdianus (Regel) Franch.

Genus Gasteria Duval

Species Gasteria verrucosa (Mill.) Haw.

Genus Haworthia Duval

Species Haworthia attenuata (Haw.) Haw.

Genus Hemerocallis L.

Species Hemerocallis fulva (L.) L.

Genus Kniphofia Moench

Species Kniphofia uvaria (L.) Hook.

Genus Pasithea D. Don

Species Pasithea coerulea (Ruiz & Pavon) D. Don

Genus Phormium J. R. Forst. & G. Forst.

Species Phormium tenax J. R. Forst. & G. Forst.

Genus Xanthorrhoea Sm.

Species Xanthorrhoea reflexa D. A. Herbert

Family Boryaceae

Genus Alania Endl.

Species Alania endlicheri Kunth

Family Hyacinthaceae

Genus Bellevalia Lapeyr.

Species Bellevalia atroviolacea Regel

Family Hypoxidaceae

Genus Hypoxis L.

Species Hypoxis hirsuta (L.) Coville

Family Iridaceae

Genus Crocus L.

Species Crocus korolkowii Regel & Maw

Genus Dietes Salisbury ex Klatt

Species Dietes robinsoniana (F. Muell.) Klatt

Genus Gladiolus L.

Species Gladiolus communis L.

Genus Iris L.

Species Iris chrysophylla Howell

Species Iris cristata Sol. ex Ait.

Species Iris douglasiana Herb.

Species Iris flavissima Pall.

Species Iris hartwegii Baker

Species Iris lacustris Nutt.

Species Iris macrosiphon Torr.

Species Iris prismatica Pursh

Species Iris pseudacorus L.

Species Iris pumila L.

Species Iris setosa Pall. ex Link

subspecies Iris setosa Pall. ex Link ssp. setosa

Species Iris stolonifera Maxim.

Species Iris tenax Douglas ex Lindl.

Species Iris verna L.

Species Iris versicolor L.

Genus Lapeirousia Pourret

Species Lapeirousia cruenta (Lindl.) Baker

Genus Libertia Spreng.

Species Libertia pulchella (R. Br.) Spreng.

Genus Nemastylis Nutt.

Species Nemastylis geminiflora Nutt.

Genus Patersonia R. Br.

Species Patersonia fragilis (Labill.) Asch. & Graebn.

Genus Sisyrinchium L.

Species Sisyrinchium angustifolium Mill.

Species Sisyrinchium bellum S. Wats.

Species Sisyrinchium californicum (Ker Gawl.) Dryand.

Species Sisyrinchium campestre E. P. Bicknell

Species Sisyrinchium douglasii A. Dietr.

Species Sisyrinchium graminoides E. P. Bicknell

Species Sisyrinchium idahoense E. P. Bicknell

Species Sisyrinchium inflatum (Suksd.) H. St. John

Species Sisyrinchium littorale Greene

Species Sisyrinchium mucronatum Michx.

Species Sisyrinchium septentrionale E. P. Bicknell

Species Sisyrinchium montanum Greene

variety Sisyrinchium montanum Greene var. crebrum Fern.

Family Ixioliriaceae

Genus Ixiolirion Fisch. ex Herb.

Species Ixiolirion tataricum (Pall.) Herb.

Family Orchidaceae

Genus Bulbophyllum Thouars

Species Bulbophyllum rigidum King & Pantl.

Genus Gongora Ruiz & Pav.

Species Gongora quinquenervis Ruiz & Pav.

Species Gongora unicolor Schltr.

Genus Aplectrum Nutt.

Species Aplectrum hyemale (Muhl. ex Willd.) Nutt.

Genus Arethusa L.

Species Arethusa bulbosa L.

Genus Asarca Lindl.

Species Asarca longibracteata (Lindl.) Kuntze

Genus Caladenia R. Br.

Species Caladenia menziesii R. Br.

Species Caladenia patersonii R. Br.

Genus Calochilus R. Br.

Species Calochilus robertsoni Benth.

Genus Calopogon R. Br.

Species Calopogon pulchellus (Salisb.) R. Br.

Genus Calypso Salisb.

Species Calypso bulbosa (L.) Oakes

variety Calypso bulbosa (L.) Oakes var. occidentalis (Holz.) B. Boivin

Genus Campylocentrum Benth.

Species Campylocentrum micranthum (Lindl.) Rolfe

Genus Cephalanthera Rich.

Species Cephalanthera damasonium (Mill.) Druce

Genus Chamorchis Rich.

Species Chamorchis alpina Rich.

Genus Coeloglossum Hartm.

Species Coeloglossum bracteatum (Muhl. ex Willd.) Parl. ex Willd.

Species Coeloglossum viride (L.) Hart.

variety Coeloglossum viride (L.) Hart. var. virescens (Muhl. Ex Willd.) Luer

Genus Coelogyne Lindl.

Species Coelogyne cristata Lindl.

Genus Corallorhiza Gagnebin

Species Corallorhiza maculata (Raf.) Raf.

subspecies Corallorhiza maculata (Raf.) Raf. ssp. mertensiana (Bong.) Calder & Roy L. Taylor

Species Corallorhiza mertensiana Bong.

Species Corallorhiza striata Lindl.

variety Corallorhiza striata Lindl. var. striata

form Corallorhiza striata Lindl. forma fulva Fernald

Species Corallorhiza wisteriana Conrad

Genus Cryptostylis R. Br.

Species Cryptostylis longifolia R. Br.

Genus Cypripedium L.

Species Cypripedium acaule Ait.

form Cypripedium acaule Ait. forma albiflorum Rand & Redf.

Species Cypripedium arietinum R. Br.

Species Cypripedium californicum A. Gray

Species Cypripedium fasciculatum Kellogg ex S. Wats.

Species Cypripedium guttatum Sw.

Species Cypripedium knightae A. Nels.

Species Cypripedium macranthon Sw.

Species Cypripedium montanum Douglas ex Lindl. × Cypripedium parviflorum Salisb.

Species Cypripedium parviflorum Salisb.

variety Cypripedium parviflorum Salisb. var. pubescens (Willd.) O. W. Knight

Species Cypripedium reginae Walt.

Species Cypripedium calceolus L.

variety Cypripedium calceolus L. var. parviflorum (Salisb.) Fern.

variety Cypripedium calceolus L. var. pubescens (Willd.) Correll

Genus Dactylorchis Verm.

Species Dactylorchis traunsteineri (Saut. ex Rchb. f.) Verm.

Genus Dactylorhiza Neck. ex Nevski

Species Dactylorhiza majalis (Rchb. f.) P. F. Hunt & Summerh.

Species Dactylorhiza viridis (L.) R. M. Bateman, Pridgeon & M. W. Chase

Genus Dendrobium Sw.

Species Dendrobium aemulum R. Br.

Species Dendrobium linguiforme Sm.

Genus Dichaea Lindl.

Species Dichaea trulla Rchb. f.

Genus Diuris Sm.

Species Diuris maculata Sm.

Species Diuris punctata Sm.

Genus Dryadella Luer

Species Dryadella pusiola (Rchb. f.) Luer

Genus Encyclia Hook.

Species Encyclia fragrans (Sw.) Lemee

Genus Epidendrum L.

Species Epidendrum cochleatum L.

Species Epidendrum difforme Jacq.

Species Epidendrum hunterianum Schltr.

Species Epidendrum isomerum Schltr.

Species Epidendrum octomerioides Schltr.

Species Epidendrum radicans Pav. ex Lindl.

Species Epidendrum schlechterianum Ames

Genus Epipactis Zinn

Species Epipactis atropurpurea Raf.

Species Epipactis gigantea Douglas ex Hook.

Species Epipactis helleborine (L.) Crantz

Species Epipactis palustris (L.) Crantz

Genus Galearis Raf.

Species Galearis rotundifolia (Banks ex Pursh) R. M. Bateman

Species Galearis spectabilis (Linnaeus) Rafinesque

Genus Goodyera R. Br.

Species Goodyera oblongifolia Raf.

Species Goodyera pubescens (Willd.) R. Br.

Species Goodyera repens (L.) R. Br.

subspecies Goodyera repens (L.) R. Br. ssp. repens

variety Goodyera repens (L.) R. Br. var. ophioides Fern.

variety Goodyera repens (L.) R. Br. var. repens

Species Goodyera tesselata Lodd.

Genus Gymnadenia R. Br.

Species Gymnadenia conopsea (L.) R. Br.

subspecies Gymnadenia conopsea (L.) R. Br. ssp. conopsea

Genus Habenaria Willd.

Species Habenaria blephariglottis (Willd.) Hook.

Species Habenaria chorisiana Cham.

Species Habenaria ciliaris (L.) R. Br.

Species Habenaria clavellata (Michx.) Spreng.

variety Habenaria clavellata (Michx.) Spreng. var. ophioglossoides Fern.

Species Habenaria conopsea Rchb. f.

Species Habenaria convallariifolia (Fisch. ex Lindl.) B. Boivin

Species Habenaria dilatata (Pursh) Hook.

variety Habenaria dilatata (Pursh) Hook. var. dilatata

variety Habenaria dilatata (Pursh) Hook. var. leucostachys (Lindl.) Ames

Species Habenaria fimbriata (Ait.) R. Br.

Species Habenaria graminifolia (Rydb.) J. K. Henry

Species Habenaria hookeri Torr. ex A. Gray

Species Habenaria hyperborea (L.) R. Br.

Species Habenaria obtusata (Banks ex Pursh) Richardson

Species Habenaria repens Nutt.

Species Habenaria virescens (Muhl.) Spreng.

Species Habenaria viridis (L.) R. Br.

Species Habenaria unalaschensis (Spreng.) S. Wats.

variety Habenaria unalaschensis (Spreng.) S. Wats. var. elata (Jeps.) Correll

Genus Herminium L.

Species Herminium alpinum (Jacq.) Sweet

Genus Hexisea Lindl.

Species Hexisea imbricata (Lindl.) Rchb. f.

Genus Himantoglossum Spreng.

Species Himantoglossum hircinum (L.) Spreng.

Genus Jacquiniella Schltr.

Species Jacquiniella globosa (Jacq.) Schltr.

Genus Laelia Lindl.

Species Laelia flava Lindl.

Genus Leucorchis E. Mey.

Species Leucorchis albida (L.) E. Mey.

Species Leucorchis straminea (Fern.) A. Love

Genus Limnorchis Rydb.

Species Limnorchis major Rydb.

Genus Listera R. Br.

Species Listera borealis Morong

Species Listera cordata (L.) R. Br.

variety Listera cordata (L.) R. Br. var. cordata

Species Listera nephrophylla Rydb.

Species Listera ovata (L.) R. Br.

Genus Malaxis Sol. ex Sw.

Species Malaxis monophyllos (L.) Sw.

variety Malaxis monophyllos (L.) Sw. var. monophyllos

Species Malaxis palustris Rich.

Species Malaxis unifolia Michx.

Genus Maxillaria Ruiz & Pav.

Species Maxillaria confusa Ames & C. Schweinf.

Species Maxillaria endresii Rchb. f.

Species Maxillaria neglecta (Schltr.) L. O. Williams

Species Maxillaria uncata Lindl.

Species Maxillaria xylobiiflora Schltr.

Genus Myoxanthus Poepp. & Endl.

Species Myoxanthus scandens (Ames) Luer

Genus Neottia Guett.

Species Neottia cordata (L.) Rich.

Genus Nidema Britton & Millsp.

Species Nidema boothii (Lindl.) Schltr.

Genus Nigritella Rich.

Species Nigritella nigra (L.) Rchb.

Species Nigritella rubra K. Richt.

Genus Octomeria R. Br.

Species Octomeria graminifolia (L.) R. Br.

Genus Oncidium Sw.

Species Oncidium longipes Lindl.

Species Oncidium sphacelatum Lindl.

Species Oncidium stenotis Rchb. f.

Genus Ophrys L.

Species Ophrys aranifera Huds.

Species Ophrys fusca Link

Genus Orchis L.

Species Orchis coriophora L.

Species Orchis cruenta O. F. Mull.

Species Orchis globosa L.

Species Orchis incarnata L.

Species Orchis laxiflora Lam.

Species Orchis maculata L.

Species Orchis mascula L.

Species Orchis militaris L.

Species Orchis provincialis Balb.

Species Orchis purpurea Huds.

Species Orchis pyramidalis L.

Species Orchis sambucina L.

Species Orchis ustulata L.

Genus Piperia Rydb.

Species Piperia unalascensis (Spreng.) Rydb.

Genus Platanthera Rich.

Species Platanthera aquilonis Sheviak

Species Platanthera bifolia (L.) Rich.

Species Platanthera chlorantha (Custer) Rchb. f.

Species Platanthera huronesis (Nutt.) Lindl.

Species Platanthera hyperborea (L.) Lindl.

variety Platanthera hyperborea (L.) Lindl. var. hyperborea

Species Platanthera lacera (Michaux) G. Don

Species Platanthera orbiculata (Pursh) Lindl.

Species Platanthera psycodes (Linnaeus) Lindley

Species Platanthera unalaschcensis (Spreng.) Kurtz

Species Platanthera dilatata (Pursh) Lindl. ex L. C. Beck

variety Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.

variety Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata

variety Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindley) Luer

Species Platanthera obtusata (Banks ex Pursh) Lindl.

subspecies Platanthera obtusata (Banks ex Pursh) Lindl. ssp. obtusata

Species Platanthera sparsiflora (S. Wats.) Schltr.

variety Platanthera sparsiflora (S. Wats.) Schltr. var. ensifolia (Rydb.) Luer

Genus Platystele Schltr.

Species Platystele lancilabris (Rchb. f.) Schltr.

Genus Pleurothallis R. Br.

Species Pleurothallis acrisepala Ames & C. Schweinf.

Species Pleurothallis corniculata (Sw.) Lindl.

Species Pleurothallis guanacastensis Ames & C. Schweinf.

Species Pleurothallis pantasmi Rchb. f.

Species Pleurothallis periodica Ames

Species Pleurothallis phyllocardioides Schltr.

Species Pleurothallis uncinata Fawc.

Species Pleurothallis verecunda Schltr.

Genus Pogonia Juss.

Species Pogonia ophioglossoides (L.) Ker Gawl.

Genus Pterostylis R. Br.

Species Pterostylis banksii R. Br. ex A. Cunn.

Species Pterostylis barbata Lindl.

Species Pterostylis longifolia R. Br.

Genus Rodriguezia Ruiz & Pav.

Species Rodriguezia compacta Schltr.

Genus Scaphyglottis Poepp. & Endl.

Species Scaphyglottis gracilis (Schltr.) Schltr.

Species Scaphyglottis minutiflora Ames & Correll

Species Scaphyglottis prolifera Cogn.

Genus Sobralia Ruiz & Pav.

Species Sobralia mucronata Ames & C. Schweinf.

Species Sobralia powellii Schltr.

Genus Spiranthes Rich.

Species Spiranthes aestivalis (Poir.) Rich.

Species Spiranthes cernua (L.) Rich.

Species Spiranthes laciniata (Small) Ames

Species Spiranthes lucida (H. H. Eaton) Ames

Species Spiranthes romanzoffiana Cham.

variety Spiranthes romanzoffiana Cham. var. romanzoffiana

Genus Stelis Sw.

Species Stelis endresii Rchb. f.

Genus Thelymitra J. R. Forst. & G. Forst.

Species Thelymitra crinita Lindl.

Genus Trichosalpinx Luer

Species Trichosalpinx blaisdellii (S. Wats.) Luer

Species Trichosalpinx orbicularis (Lindl.) Luer

Genus Trigonidium Lindl.

Species Trigonidium egertonianum Bateman ex Lindl.

Species Trigonidium riopalenquense Dodson

Order Commelinales

Family Commelinaceae

Genus Commelina L.

Species Commelina dianthifolia Delile

Species Commelina diffusa Burm. f.

Species Commelina erecta L.

Genus Palisota Rchb. ex Endl.

Species Palisota bogneri Brenan

Genus Tradescantia L.

Species Tradescantia bracteata Small

Species Tradescantia ernestiana E. S. Anderson & R. E. Woodson

Species Tradescantia longifolia Small

Species Tradescantia montana Shuttlw. ex Small & Vail

Species Tradescantia ohiensis Raf.

Species Tradescantia rosea Vent.

Species Tradescantia virginica Walt.

Family Haemodoraceae

Genus Anigozanthos Labill.

Species Anigozanthos humilis Lindl.

Species Anigozanthos manglesii D. Don

Genus Lachnanthes Elliott

Species Lachnanthes tinctoria (Walt. ex J. F. Gmel.) Elliott

Genus Xiphidium Aubl.

Species Xiphidium coeruleum Aubl.

Family Hanguanaceae

Genus Hanguana Blume

Species Hanguana malayana Merill

Family Philydraceae

Genus Philydrum Banks & Sol. ex Gaertn.

Species Philydrum lanuginosum Banks & Sol. ex Gaertn.

Family Pontederiaceae

Genus Heteranthera Ruiz & Pav.

Species Heteranthera dubia (Jacq.) MacMill.

Genus Pontederia L.

Species Pontederia cordata L.

Order Dioscoreales

Family Dioscoreaceae

Genus Dioscorea L.

Species Dioscorea quaternata (Walt.) J. F. Gmel.

Species Dioscorea sylvatica Ecklon

Species Dioscorea villosa L.

Family Nartheciaceae

Genus Aletris L.

Species Aletris lutea Small

Genus Narthecium Huds.

Species Narthecium ossifragum (L.) Huds.

Order Liliales

Family Colchicaceae

Genus Anguillaria R. Br.

Species Anguillaria dioica R. Br.

Genus Colchicum L.

Species Colchicum autumnale L.

Genus Disporum Salisb.

Species Disporum oreganum (S. Watson) W. T. Mill.

Species Disporum trachycarpum (S. Wats.) Benth. & Hook. f.

Genus Gloriosa L.

Species Gloriosa superba L.

Genus Uvularia L.

Species Uvularia grandiflora Sm.

Species Uvularia perfoliata L.

Species Uvularia puberula Michx.

Species Uvularia sessilifolia L.

Family Liliaceae

Genus Calochortus Pursh

Species Calochortus albus Douglas ex Benth.

variety Calochortus albus Douglas ex Benth. var. rubellus Greene

Species Calochortus amabilis Purdy

Species Calochortus eurycarpus S. Watson

Species Calochortus gunnisonii S. Wats.

Species Calochortus leichtlinii Hook.

Species Calochortus lobbii (Baker) Purdy

Species Calochortus luteus Douglas ex Lindl.

Species Calochortus lyallii Baker

Species Calochortus macrocarpus Douglas

Species Calochortus monophyllus (Lindl.) Lem.

Species Calochortus nudus S. Wats.

Species Calochortus nuttallii Torr.

Species Calochortus splendens Douglas ex Benth.

Species Calochortus umbellatus Alph. Wood.

Species Calochortus venustus Douglas ex Benth.

Species Calochortus coeruleus (Kellogg) S. Wats.

variety Calochortus coeruleus (Kellogg) S. Wats. var. maweanus Jepson

Species Calochortus elegans Pursh

variety Calochortus elegans Pursh var. nanus Wood

Species Calochortus weedii Alph. Wood

variety Calochortus weedii Alph. Wood var. purpurascens S. Wats.

Genus Clintonia Raf.

Species Clintonia andrewsiana Torr.

Species Clintonia borealis (Ait.) Raf.

Species Clintonia umbellulata (Michx.) Morong

Species Clintonia uniflora (Menzies ex Schult.) Kunth

Genus Erythronium L

Species Erythronium albidum Nutt.

Species Erythronium albidum Nutt. × Erythronium americanum Ker Gawl.

Species Erythronium americanum Ker Gawl.

Species Erythronium idahoense H. St. John & G. N. Jones

Species Erythronium montanum S. Wats.

Species Erythronium oregonum Applegate

Species Erythronium parviflorum (S. Wats.) Goodd.

Species Erythronium purpurascens S. Wats.

Species Erythronium revolutum Sm.

Species Erythronium grandiflorum Pursh

variety Erythronium grandiflorum Pursh var. grandiflorum

variety Erythronium grandiflorum Pursh var. nudipetalum (Applegate) C. L. Hitchc.

variety Erythronium grandiflorum Pursh var. pallidum H. St. John

variety Erythronium grandiflorum Pursh var. parviflorum S. Wats.

Genus Fritillaria L.

Species Fritillaria atropurpurea Nutt.

Species Fritillaria camschatcensis (L.) Ker Gawl.

Species Fritillaria lanceolata Pursh

Species Fritillaria affinis (Schult. & Schult. f.) Sealy

variety Fritillaria affinis (Schult. & Schult. f.) Sealy var. affinis

Genus Gagea Salisb.

Species Gagea lutea (L.) Ker Gawl.

Genus Lilium L.

Species Lilium canadense L.

Species Lilium columbianum Leichtlin ex Duchartre

Species Lilium dahuricum Ker Gawl.

Species Lilium parvum Kellogg

Species Lilium washingtonianum Kellogg

Species Lilium philadelphicum L.

variety Lilium philadelphicum L. var. andinum (Nutt.) Ker Gawl.

variety Lilium philadelphicum L. var. philadelphicum

form Lilium philadelphicum L. forma immaculatum Raup

Genus Lloydia Salisb. ex Rchb.

Species Lloydia serotina (L.) Salisb. ex Rchb.

Genus Medeola L.

Species Medeola virginiana L.

Genus Scoliopus Torr.

Species Scoliopus bigelowii Torr.

Genus Streptopus Michx.

Species Streptopus amplexifolius (L.) DC.

variety Streptopus amplexifolius (L.) DC. var. americanus Schultes

variety Streptopus amplexifolius (L.) DC. var. chalazatus Fassett

variety Streptopus amplexifolius (L.) DC. var. denticulatus Fassett

variety Streptopus amplexifolius (L.) DC. var. oreopolus (Fern.) Fassett

Species Streptopus lanceolatus (Aiton) Reveal

variety Streptopus lanceolatus (Aiton) Reveal var. curvipes (Vail) Reveal

variety Streptopus lanceolatus (Aiton) Reveal var. longipes (Fernald) Reveal

Family Melanthiaceae

Genus Anticlea Kunth

Species Anticlea coloradense Rydb.

Species Anticlea elegans (Pursh) Rydb.

Species Anticlea occidentalis (A. Gray) Zomlefer & Judd

Genus Chamaelirium Willd.

Species Chamaelirium carolinianum Willd.

Species Chamaelirium luteum (L.) Gray

Genus Melanthium L.

Species Melanthium parviflorum (Michx.) S. Wats.

Genus Paris L.

Species Paris quadrifolia L.

Genus Toxicoscordion Rydb.

Species Toxicoscordion venenosum (S. Wats.) Rydb.

variety Toxicoscordion venenosum (S. Wats.) Rydb. var. gramineum (Rydb.) Brasher

variety Toxicoscordion venenosum (S. Wats.) Rydb. var. venenosum

Genus Trillium L.

Species Trillium cernuum L.

variety Trillium cernuum L. var. macranthum Eames & Wiegand

Species Trillium erectum L.

form Trillium erectum L. forma pallidandrum Vict. & J. Rousseau

Species Trillium gleasonii Fern.

Species Trillium grandiflorum (Michx.) Salisb.

Species Trillium petiolatum Pursh

Species Trillium recurvatum L. C. Beck

Species Trillium stylosum Nutt.

Species Trillium underwoodii Small

Species Trillium undulatum Willd.

Species Trillium chloropetalum (Torr.) Howell

variety Trillium chloropetalum (Torr.) Howell var. giganteum (Hook. & Arn.) Munz

Species Trillium sessile L.

variety Trillium sessile L. var. giganteum Hook. & Arn.

Species Trillium viride L. C. Beck

variety Trillium viride L. C. Beck var. viride

Genus Veratrum L.

Species Veratrum eschscholtzii (Roem. & Schult.) A. Gray

Species Veratrum lobelianum Bernh.

Species Veratrum californicum Durand

variety Veratrum californicum Durand var. californicum

variety Veratrum californicum Durand var. caudatum (A. Heller) C. L. Hitchc.

Species Veratrum viride Ait.

variety Veratrum viride Ait. var. eschscholtzii ( A. Gray ) Breitung

variety Veratrum viride Ait. var. eschscholzianum (Roem. & Schult.) Breitung

Genus Xerophyllum Michx.

Species Xerophyllum tenax (Pursh) Nutt.

Genus Zigadenus Michx.

Species Zigadenus elegans Pursh

subspecies Zigadenus elegans Pursh ssp. elegans

Species Zigadenus fremontii (Torr.) Torr. ex S. Wats.

Species Zigadenus glaucus (Nutt.) Nutt.

Species Zigadenus gramineus Rydb.

Species Zigadenus micranthus Eastw.

Species Zigadenus paniculatus (Nutt.) S. Wats.

Species Zigadenus sibiricus (L.) A. Gray

Species Zigadenus venenosus S. Wats.

variety Zigadenus venenosus S. Wats. var. gramineus (Rydb.) O. S. Walsh ex C. L. Hitchc.

Family Smilacaceae

Genus Smilax L.

Species Smilax bona-nox L.

Species Smilax glauca Walt.

Species Smilax hispida Muhl.

Species Smilax kraussiana Meisn.

Species Smilax lasioneura Hook.

Species Smilax rotundifolia L.

Species Smilax walteri Pursh

Species Smilax herbacea L.

variety Smilax herbacea L. var. herbacea

variety Smilax herbacea L. var. lasioneuron (Hook.) DC.

Order Pandanales

Family Pandanaceae

Genus Pandanus Parkinson

Species Pandanus kirkii Rendle

Family Stemonaceae

Genus Stemona Lour.

Species Stemona tuberosa Lour.

variety Stemona tuberosa Lour. var. ternatensis (J. J. Smith) Duyfjes

Family Triuridaceae

Genus Triuris Miers

Species Triuris hyalina Miers

Family Velloziaceae

Genus Talbotia Balfour

Species Talbotia elegans Balf.

Order Poales

Family Bromeliaceae

Genus Ananas Mill.

Species Ananas comosus (L.) Merr.

Genus Tillandsia L.

Species Tillandsia recurvata (L.) L.

Species Tillandsia usneoides (L.) L.

Family Cyperaceae

Genus Amphiscirpus Oteng-Yeb.

Species Amphiscirpus nevadensis (S. Watson) Oteng-Yeb.

Genus Bolboschoenus (Asch.) Palla

Species Bolboschoenus maritimus (L.) Palla

subspecies Bolboschoenus maritimus (L.) Palla ssp. paludosus (A. Nels.) T. Koyama

Genus Bulbostylis Kunth

Species Bulbostylis capillaris (L.) C. B. Clarke

Genus Carex L.

Species Carex accrescens Ohwi

Species Carex acuta L.

Species Carex acuta L. × Carex goodenoughii Gay

Species Carex acutiformis Ehrh.

Species Carex adelostoma V. I. Krecz.

Species Carex adusta Boott × Carex aenea Fern.

Species Carex aenea Fern.

Species Carex aestivalis M. A. Curtis ex A. Gray

Species Carex alata Torr.

Species Carex alba Scop.

Species Carex albolutescens Schwein.

Species Carex albonigra Mack.

Species Carex albursina E. Sheld.

Species Carex algida Turcz. ex V. Krecz.

Species Carex alopecoidea Tuck.

Species Carex alpestris All.

Species Carex amblyorhyncha Krecz.

Species Carex amplifolia Boott

Species Carex anguillata Drejer

Species Carex angustior Mack.

Species Carex annectens (E. P. Bicknell) E. P. Bicknell

Species Carex anthoxanthea J. Presl & C. Presl

Species Carex aquatilis Wahlenb.

variety Carex aquatilis Wahlenb. var. altior (Rydb.) Fernald

variety Carex aquatilis Wahlenb. var. aquatilis

variety Carex aquatilis Wahlenb. var. minor Boott

variety Carex aquatilis Wahlenb. var. substricta Kük.

Species Carex aquatilis Wahlenb. × Carex bigelowii Torr. ex Schwein.

Species Carex aquatilis Wahlenb. × Carex caespitosa L.

Species Carex aquatilis Wahlenb. × Carex juncella Th. Fries

Species Carex aquatilis Wahlenb. × Carex paleacea Schreb. ex Wahlenb.

Species Carex aquatilis Wahlenb. × Carex rigida Gooden.

Species Carex arctata Boott

Species Carex arctiformis Mack.

Species Carex arctogena Harry Sm.

Species Carex arenaria L.

Species Carex argunensis Turcz. ex Trautv.

Species Carex artitecta Mack.

Species Carex assiniboinensis W. Boott

Species Carex athabascensis F. J. Herm.

Species Carex atherodes Spreng.

Species Carex athrostachya Olney

Species Carex atrata L. × Carex norvegica Retz.

Species Carex atrofusca Schkuhr

Species Carex atrosquama Mack.

Species Carex aurea Nutt.

Species Carex austrocaroliniana L. H. Bailey

Species Carex backii Boott

Species Carex baldensis L.

Species Carex bebbii Olney ex Fern.

Species Carex bella L. H. Bailey

Species Carex bergrothii Palmgr.

Species Carex bicknellii Britton

Species Carex bigelowii Torr. ex Schwein.

subspecies Carex bigelowii Torr. ex Schwein. ssp. lugens (T. Holm) T. V. Egorova

subspecies Carex bigelowii Torrey ex Schweinitz ssp. bigelowii

Species Carex binervis Sm.

Species Carex blanda Dewey

Species Carex bohemica Schreb.

Species Carex bolanderi Olney

Species Carex bonanzensis Britton

Species Carex breviligulata Mack.

Species Carex brevior (Dewey) Mack.

Species Carex brevipes W. Boott

Species Carex brizoides L.

Species Carex bromoides Schkuhr ex Willd.

Species Carex brunnescens (Pers.) Poir.

subspecies Carex brunnescens (Pers.) Poir. ssp. brunnescens

subspecies Carex brunnescens (Pers.) Poir. ssp. vitilis (Fr.) Kalela

variety Carex brunnescens (Pers.) Poir. var. sphaerostachya (Tuck.) Kük.

Species Carex bushii Mack.

Species Carex buxbaumii Wahlenb.

subspecies Carex buxbaumii Wahlenb. ssp. buxbaumii

Species Carex caespitosa L.

form Carex caespitosa L. forma retorta Sylven

Species Carex caespitosa L. × Carex juncella Th. Fries

Species Carex californica L. H. Bailey

Species Carex callitrichos V. I. Krecz.

Species Carex canescens L. × Carex dioica L.

Species Carex canescens L. × Carex lachenalii Schkuhr

Species Carex canescens L. × Carex loliacea L.

Species Carex canescens L. × Carex mackenziei V. I. Krecz.

Species Carex canescens L. × Carex tenuiflora Wahlenb.

Species Carex capitata L.

subspecies Carex capitata L. ssp. capitata

Species Carex caroliniana Schwein.

Species Carex caryophyllea Latourr.

Species Carex castanea Wahlenb.

Species Carex caucasica Steven

Species Carex cephalantha (L. H. Bailey) E. P. Bicknell

Species Carex cephaloidea (Dewey) Dewey

Species Carex cephalophora Muhl. ex Willd.

Species Carex chalciolepis T. Holm

Species Carex cherokeensis Schwein.

Species Carex chimaphila T. Holm

Species Carex chordorrhiza Ehrh. ex L. f.

Species Carex circinata C. A. Mey.

Species Carex communis L. H. Bailey

Species Carex comosa Boott

Species Carex concinna R. Br.

Species Carex concinnoides Mack.

Species Carex conoidea Schkuhr ex Willd.

Species Carex consimilis T. Holm

Species Carex contigua Hoppe

Species Carex convoluta Mack.

Species Carex crawfordii Fernald

variety Carex crawfordii Fernald var. vigens Fernald

Species Carex crinita Lam.

Species Carex cristatella Britton

Species Carex crus-corvi Shuttlew.

Species Carex cryptocarpa C. A. Mey.

Species Carex cryptolepis Mack.

Species Carex cumulata (L. H. Bailey) Mack.

Species Carex curta Good.

Species Carex curvula All.

Species Carex cusickii Mack. ex Piper & Beattie

Species Carex cyperoides Murray

Species Carex davalliana Smith

Species Carex davisii Schwein. & Torr.

Species Carex decomposita Muhl.

Species Carex depauperata Curtis

Species Carex deweyana Schwein.

variety Carex deweyana Schwein. var. deweyana

Species Carex diandra Schrank

Species Carex digitalis Willd.

Species Carex digitata L.

Species Carex dioica L.

Species Carex dioica L. × Carex heleonastes L. f.

Species Carex dioica L. × Carex incurva Lightf.

Species Carex dioica L. × Carex lachenalii Schkuhr

Species Carex disperma Dewey

Species Carex disperma Dewey × Carex laeviculmis Meinsh.

Species Carex disperma Dewey × Carex loliacea L.

Species Carex distans L.

Species Carex disticha Huds.

Species Carex diversicolor Crantz

Species Carex divulsa Stokes

subspecies Carex divulsa Stokes ssp. leersii (Kneuck.) W. Koch

Species Carex douglasii Boott

Species Carex duriuscula C. A. Meyer

Species Carex ebenea Rydb.

Species Carex eburnea Boott

Species Carex echinata Murray

Species Carex echinodes (Fern.)

Species Carex elata All.

subspecies Carex elata All. ssp. omskiana Jalas

Species Carex elata All. × Carex fusca All.

Species Carex elata All. × Carex goodenovii Gay

Species Carex eleocharis L. H. Bailey

Species Carex eleusinoides Turcz. ex Kunth

Species Carex elongata L.

Species Carex elynoides T. Holm

Species Carex emoryi Dewey

Species Carex enanderi Hultén

Species Carex engelmannii L. H. Bailey

Species Carex epapillosa Mack.

Species Carex eremopyroides V. I. Krecz.

Species Carex ericetorum Poll.

Species Carex eurystachya F. J. Herm.

Species Carex exilis Dewey

Species Carex exsiccata L. H. Bailey

Species Carex falcata Turcz.

Species Carex ferruginea Scop.

Species Carex festivella Mack.

Species Carex festucacea Schkuhr ex Willd.

Species Carex feta L.H. Bailey

Species Carex filifolia Nutt.

Species Carex fimbriata Schkuhr

Species Carex flacca Schreb.

Species Carex flava L.

subspecies Carex flava L. ssp. demissa (Hornem.) O. de Bolos, R. M. Masalles & J. Vigo

variety Carex flava L. var. gaspensis Fernald

Species Carex flexuosa Muhl. ex Willd.

Species Carex foenea Willd.

Species Carex folliculata L.

Species Carex frankii Kunth

Species Carex franklinii Boott

variety Carex franklinii Boott var. misandroides (Fernald) Raymond

Species Carex frigida All.

Species Carex fritschii Waisb.

Species Carex fusca All.

Species Carex fusca All. × Carex rufina Drejer

Species Carex fuscidula V. I. Krecz. ex T. V. Egorova

Species Carex garberi Fernald

Species Carex geyeri Boott

Species Carex glauca Scop.

Species Carex globularis L.

Species Carex gmelinii Hook. & Arn.

Species Carex goodenovii Gay

Species Carex goodenovii Gay × Carex hudsonii A. Bennett

Species Carex gracilescens Steud.

Species Carex gracilior Mack.

Species Carex gracilis Curtis

Species Carex gracillima Schwein.

Species Carex granularis Muhl. ex Willd.

variety Carex granularis Muhl. ex Willd. var. haleana (Olney) Porter

Species Carex gravida L. H. Bailey

variety Carex gravida L. H. Bailey var. lunelliana (Mack.) F. J. Herm.

Species Carex grayi J. Carey

Species Carex gymnoclada T. Holm

Species Carex gynandra Schwein.

Species Carex gynocrates Wormsk. ex Drejer

Species Carex halleri Gunnerus

Species Carex hartmanii Cajander

Species Carex haydeniana Olney

Species Carex haydenii Dewey

Species Carex haysii S. L. Welsh

Species Carex heliophila Mack.

Species Carex hendersonii L. H. Bailey

Species Carex heteroneura W. Boott

Species Carex hirsuta Suter

Species Carex hirsutella Mack.

Species Carex hirta L.

Species Carex hirtifolia Mack.

Species Carex hitchcockiana Dewey

Species Carex holostoma Drejer

Species Carex hoodii Boott

Species Carex hookeriana Dewey

Species Carex hormathodes Fernald

Species Carex hornschuchiana Hoppe

Species Carex hostiana DC.

Species Carex houghtoniana Torr. ex Dewey

Species Carex iljinii V. I. Krecz.

Species Carex incurva Lightf.

Species Carex inops L. H. Bailey

subspecies Carex inops L. H. Bailey ssp. heliophila (Mackenzie) Crins

Species Carex interior L. H. Bailey

Species Carex interrupta Boeck.

Species Carex intumescens Rudge

variety Carex intumescens Rudge var. fernaldii L. H. Bailey

Species Carex jemtlandica Palmgr.

Species Carex jonesii L. H. Bailey

Species Carex juncella Th. Fries

Species Carex juncella Th. Fries × Carex rigida Gooden.

Species Carex juncella Th. Fries × Carex rufina Drejer

Species Carex juncella Th. Fries × Carex subspathacea Wormsk.

Species Carex kelloggii W. Boott

Species Carex kirilovii Turcz.

Species Carex korshinskyi Kom.

Species Carex krausei Boeck.

Species Carex laeviconica Dewey

Species Carex laeviculmis Meinsh.

Species Carex lagopina Wahlenb.

Species Carex lanceolata Boott

Species Carex lanuginosa Michx.

variety Carex lanuginosa Michx. var. americana (Fernald) B. Boivin

variety Carex lanuginosa Michx. var. lanuginosa

Species Carex lasiocarpa Ehrh.

subspecies Carex lasiocarpa Ehrh. ssp. americana (Fernald) D. Löve & J. -P. Bernard

variety Carex lasiocarpa Ehrh. var. americana Fernald

Species Carex lepidocarpa Tausch

Species Carex leporina L.

Species Carex leporinella Mack.

Species Carex leptalea Wahlenb.

subspecies Carex leptalea Wahlenb. ssp. leptalea

variety Carex leptalea Wahlenb. var. leptalea

Species Carex leptonervia (Fernald) Fernald

Species Carex limosa L.

Species Carex limosa L. × Carex rariflora (Wahlenb.) Sm.

Species Carex livida (Wahlenb.) Willd.

variety Carex livida (Wahlenb.) Willd. var. grayana (Dewey) Fernald

Species Carex loliacea L.

Species Carex louisianica L. H. Bailey

Species Carex lucorum Willd. ex Link

Species Carex lugens T. Holm

Species Carex lupulina Muhl. ex Willd.

Species Carex lurida Wahlenb.

Species Carex lyngbyei Hornem.

Species Carex mackenziei V. I. Krecz.

Species Carex macloviana d'Urv.

subspecies Carex macloviana d'Urv. ssp. pachystachya (Cham. ex Steud.) Hultén

variety Carex macloviana d'Urv. var. microptera (Mack.) B. Boivin

Species Carex macrocephala Willd. ex Spreng.

subspecies Carex macrocephala Willd. ex Spreng. ssp. anthericoides (J. Presl & C. Presl) Hultén

Species Carex macrochaeta C. A. Mey.

Species Carex maritima Gunnerus

variety Carex maritima Gunnerus var. incurviformis (Mack.) B. Boivin

Species Carex media R. Br. ex Richardson

subspecies Carex media R. Br. ex Richardson ssp. media

Species Carex melanocarpa Cham.

Species Carex membranacea Hook.

Species Carex merritt-fernaldii Mack.

Species Carex meyeriana Kunth

Species Carex michauxiana Boeck.

Species Carex microchaeta T. Holm

subspecies Carex microchaeta T. Holm ssp. microchaeta

Species Carex microdonta Torr. & Hook.

Species Carex microglochin Wahlenb.

Species Carex micropoda C. A. Meyer

Species Carex microptera Mack.

variety Carex microptera Mack. var. microptera

Species Carex microrhyncha Mack.

Species Carex minuta Franch.

Species Carex misera Buckley

Species Carex molesta Mack.

Species Carex mollissima H. Christ ex Scheutz

Species Carex montana L.

Species Carex morrisseyi A. E. Porsild

Species Carex muehlenbergii Schkuhr ex Willd.

Species Carex multicostata Mack.

Species Carex muricata L.

Species Carex muskingumensis Schwein.

Species Carex myosuroides Villars

Species Carex nanella Ohwi

Species Carex nardina Fr.

variety Carex nardina Fr. var. atriceps Kük.

variety Carex nardina Fr. var. hepburnii (Boott) Kük.

Species Carex nelsonii Mack.

Species Carex nesophila T. Holm

Species Carex nigra (L.) Reichard

Species Carex nigra (L.) Reichard × Carex recta Boott

Species Carex nigricans C. A. Mey.

Species Carex nigromarginata Schwein.

Species Carex normalis Mack.

Species Carex norvegica Retz.

Species Carex nova L. H. Bailey

Species Carex novae-angliae Schwein.

Species Carex obnupta L. H. Bailey

Species Carex obtusata Liljeb.

Species Carex occidentalis L. H. Bailey

Species Carex oederi Retz.

variety Carex oederi Retz. var. recterostrata (L. H. Bailey) Dorn

Species Carex oklahomensis Mack.

Species Carex oligocarpa Schkuhr ex Willd.

Species Carex oligosperma Michx.

Species Carex oligosperma Michx. × Carex rostrata Stokes

Species Carex oligosperma Michx. × Carex utriculata Boott

Species Carex oreocharis T. Holm

Species Carex ormostachya Wiegand

Species Carex ornithopoda Willd.

Species Carex pairae F. W. Schultz

Species Carex paleacea Schreb. ex Wahlenb.

Species Carex paleacea Schreb. ex Wahlenb. × Carex recta Boott

Species Carex pallescens L.

variety Carex pallescens L. var. neogaea Fernald

form Carex pallescens L. forma elatior Asch. & Graebn.

Species Carex panicea L.

Species Carex paradoxa Willd.

Species Carex parallela (Laest.) Sommerf.

Species Carex parryana Dewey

subspecies Carex parryana Dewey ssp. parryana

variety Carex parryana Dewey var. parryana

Species Carex pauciflora Lightf.

Species Carex paupercula Michx.

Species Carex pauxilla V. I. Krecz.

Species Carex peckii Howe

Species Carex pediformis C. A. Mey.

subspecies Carex pediformis C. A. Mey. ssp. rhizodes Lindb. fil.

Species Carex pellita Willd.

Species Carex pensylvanica Lam.

variety Carex pensylvanica Lam. var. digyna Boeckl.

variety Carex pensylvanica Lam. var. distans Peck

Species Carex perfusca V. I. Krecz.

Species Carex perglobosa Mack.

Species Carex phaeocephala Piper

Species Carex phyllomanica W. Boott

Species Carex physocarpa J. Presl & C. Presl

Species Carex pilosa Scop.

Species Carex pilulifera L.

Species Carex plantaginea Lam.

Species Carex platyphylla J. Carey

Species Carex pluriflora Hultén

Species Carex polytrichoides Muhl. ex Willd.

Species Carex praeceptorum Mack.

Species Carex praecox Schreb.

Species Carex praegracilis W. Boott

Species Carex prairea Dewey

Species Carex prasina Wahlenb.

Species Carex procerula V. I. Krecz.

Species Carex projecta Mack.

Species Carex pulicaris L.

Species Carex punctata Gaudin

Species Carex pyrenaica Wahlenb.

subspecies Carex pyrenaica Wahlenb. ssp. micropoda (C. A. Mey.) Hultén

Species Carex radiata (Wahlenb.) Small

Species Carex rariflora (Wahlenb.) Sm.

Species Carex raymondii Calder

Species Carex raynoldsii Dewey

Species Carex recta Boott

Species Carex redowskiana C. A. Mey.

Species Carex remota L.

Species Carex reptabunda (Trautv.) V. I. Krecz.

Species Carex retroflexa Muhl. ex Willd.

Species Carex rhynchophysa C. A. Mey.

Species Carex richardsonii R. Br. ex Richardson

Species Carex rigida Gooden.

Species Carex riparia Curtis

Species Carex rosea Schkuhr ex Willd.

Species Carex rossii Boott

variety Carex rossii Boott var. brevipes (W. Boott) Kük.

Species Carex rotundata Wahlenb.

Species Carex rotundata Wahlenb. × Carex saxatilis L.

Species Carex rufina Drejer

Species Carex rupestris All.

variety Carex rupestris All. var. drummondiana L. H. Bailey

Species Carex ruthii Mack.

Species Carex sajanensis V. I. Krecz.

Species Carex salina Wahlenb.

variety Carex salina Wahlenb. var. kattegatensis Almq.

variety Carex salina Wahlenb. var. subspathacea (Wormsk.) Tuck.

Species Carex saltuensis L. H. Bailey

Species Carex sartwellii Dewey

Species Carex saxatilis L.

subspecies Carex saxatilis L. ssp. laxa (Trautv.) Kalela

variety Carex saxatilis L. var. major Olney

variety Carex saxatilis L. var. saxatilis

Species Carex scabrata Schwein.

Species Carex schottii Dewey

Species Carex scirpoidea Michx.

subspecies Carex scirpoidea Michx. ssp. convoluta (Kük.) D. A. Dunlop

subspecies Carex scirpoidea Michx. ssp. pseudoscirpoidea (Rydb.) D. A. Dunlop

subspecies Carex scirpoidea Michx. ssp. scirpoidea

variety Carex scirpoidea Michx. var. pseudoscirpoidea (Rydb.) Cronquist

variety Carex scirpoidea Michx. var. scirpiformis (Mack.) O'Neill & Duman

variety Carex scirpoidea Michx. var. scirpoidea

variety Carex scirpoidea Michx. var. stenochlaena T. Holm

Species Carex scirpoides Schkuhr ex Willd.

Species Carex scopulorum T. Holm

variety Carex scopulorum T. Holm var. bracteosa (L. H. Bailey) F. J. Herm.

Species Carex serratodens W. Boott

Species Carex siccata Dewey

Species Carex silicea Olney

Species Carex silvatica Huds.

Species Carex simpliciuscula Wahlenberg

Species Carex simulata Mack.

Species Carex sitchensis J. D. Prescott

Species Carex sparganioides Muhl. ex Willd.

Species Carex spectabilis Dewey

Species Carex spissa L. H. Bailey

Species Carex sprengelii Dewey ex Spreng.

Species Carex squarrosa L.

Species Carex stenophylla Wahlenb.

Species Carex sterilis Willd.

Species Carex stipata Muhl. ex Willd.

Species Carex straminiformis L. H. Bailey

Species Carex stricta Lam.

variety Carex stricta Lam. var. angustata (Boott) L. H. Bailey

variety Carex stricta Lam. var. elongata (Boeck.) Gleason

Species Carex strigosa Huds.

Species Carex stylosa C. A. Mey.

Species Carex subbracteata Mack.

Species Carex subspathacea Wormsk.

Species Carex swanii (Fernald) Mack.

Species Carex sychnocephala J. Carey

Species Carex tahoensis Smiley

Species Carex tenella (R. Br.) Poir.

Species Carex tenera Dewey

Species Carex teneraeformis Mack.

Species Carex tenuiflora Wahlenb.

Species Carex tetanica Schkuhr

Species Carex tincta (Fernald) Fernald

Species Carex tolmiei Boott

Species Carex tomentosa L.

Species Carex torreyi Tuck.

Species Carex tracyi Mack.

Species Carex trautvetterana Kom.

Species Carex triangularis Boeck.

Species Carex tribuloides Wahlenb.

Species Carex triquetra Boott

Species Carex trisperma Dewey

variety Carex trisperma Dewey var. billingsii O. W. Knight

Species Carex tristis M. Bieb.

Species Carex tuckermanii Dewey

Species Carex typhina Michx.

Species Carex uberior (C. Mohr) Mack.

Species Carex umbrosa Host.

Species Carex unilateralis Mack.

Species Carex ursina Dewey

Species Carex ustulata Wahlenb.

Species Carex utriculata Boott

Species Carex vaginata Tausch

Species Carex vallicola Dewey

variety Carex vallicola Dewey var. vallicola

Species Carex vanheurckii Müll. Arg.

Species Carex vesicata Meinsh.

Species Carex virescens Muhl. ex Willd.

Species Carex vulpina L.

Species Carex whitneyi Olney

Species Carex wiegandii Mack.

Species Carex williamsii Britton

Species Carex wiluica Meinsh.

Species Carex xerantica L. H. Bailey

Species Carex × grantii A. Benn.

Species Carex × mendica Lepage

Species Carex × neofilipendula Lepage

Species Carex × neopaleacea Lepage

Species Carex × sublimosa Lepage

Species Carex albicans Willd. ex Spreng.

variety Carex albicans Willd. ex Spreng. var. emmonsii (Dewey ex Torr.) Rettig

Species Carex amphibola Steud.

variety Carex amphibola Steud. var. turgida Fernald

Species Carex atlantica L. H. Bailey

subspecies Carex atlantica L. H. Bailey ssp. atlantica

Species Carex atrata L.

subspecies Carex atrata L. ssp. atrosquama (Mack.) Hultén

subspecies Carex atrata L. ssp. nigra (Gaudin) Asch. & Graebn.

Species Carex atratiformis Britton

subspecies Carex atratiformis Britton ssp. raymondii (Calder) Porsild

Species Carex breweri Boott

variety Carex breweri Boott var. paddoensis (Suksd.) Cronquist

Species Carex canescens L.

subspecies Carex canescens L. ssp. canescens

Species Carex capillaris L.

subspecies Carex capillaris L. ssp. capillaris

subspecies Carex capillaris L. ssp. chlorostachys (Steven) Love, Love & Raymond

subspecies Carex capillaris L. ssp. fuscidula (V. I. Krecz. ex T. V. Egorova) Á. Löve & D. Löve

subspecies Carex capillaris L. ssp. robustior (Lange) Böcher

variety Carex capillaris L. var. elongata Olney

variety Carex capillaris L. var. porsildiana Polunin

Species Carex debilis Michx.

variety Carex debilis Michx. var. pubera A. Gray

variety Carex debilis Michx. var. rudgei L. H. Bailey

Species Carex deflexa Hornem.

variety Carex deflexa Hornem. var. boottii L. H. Bailey

variety Carex deflexa Hornem. var. deflexa

Species Carex ensifolia Turcz. ex V. I. Krecz.

subspecies Carex ensifolia Turcz. ex V. I. Krecz. ssp. arctisibirica Jurtzev

Species Carex fuliginosa Schkuhr

subspecies Carex fuliginosa Schkuhr ssp. misandra (R. Brown) Nyman

Species Carex glareosa Wahlenb.

variety Carex glareosa Wahlenb. var. amphigena Fernald

Species Carex lapponica O. Lang

form Carex lapponica O. Lang forma major Holmb.

Species Carex lenticularis Michx.

variety Carex lenticularis Michx. var. limnophila (T. Holm) Cronquist

variety Carex lenticularis Michx. var. lipocarpa (T. Holm) L. A. Standl.

Species Carex magellanica Lam.

Species Carex magellanica Lam. × Carex rariflora (Wahlenb.) Sm.

subspecies Carex magellanica Lam. ssp. irrigua (Wahlenb.) Hiitonen

Species Carex marina Dewey

subspecies Carex marina Dewey ssp. marina

Species Carex miliaris Michx.

variety Carex miliaris Michx. var. major L. H. Bailey

Species Carex pachystachya Cham. ex Steud.

subspecies Carex pachystachya Cham. ex Steud. ssp. compacta Whitkus

Species Carex praticola Rydb.

variety Carex praticola Rydb. var. subcoriacea F. J. Herm.

Species Carex rostrata Stokes

variety Carex rostrata Stokes var. rostrata

Species Carex sabulosa Turcz. ex Kunth

subspecies Carex sabulosa Turcz. ex Kunth ssp. leiophylla (Mack.) A. E. Porsild

Species Carex scoparia Schkuhr ex Willd.

variety Carex scoparia Schkuhr ex Willd. var. tesselata Fernald & Wiegand

Species Carex straminea

variety Carex straminea var. straminea

Species Carex tonsa (Fernald) E. P. Bicknell

variety Carex tonsa (Fernald) E. P. Bicknell var. rugosperma (Mack.) Crins

variety Carex tonsa (Fernald) E. P. Bicknell var. tonsa

Species Carex umbellata Schkuhr ex Willd.

variety Carex umbellata Schkuhr ex Willd. var. tonsa Fern.

form Carex umbellata Schkuhr ex Willd. forma vicina (Dewey) Wiegand

Species Carex vesicaria L.

variety Carex vesicaria L. var. alpigena Kük.

Species Carex vulpinoidea Michx.

variety Carex vulpinoidea Michx. var. pycnocephala F. J. Herm.

variety Carex vulpinoidea Michx. var. setacea (Dewey) Kük.

Genus Cladium P. Browne

Species Cladium mariscoides (Muhl.) Torr.

Genus Cyperus L.

Species

Species Cyperus acuminatus Torr. & Hook.

Species Cyperus compressus L.

Species Cyperus dentatus Torr.

Species Cyperus diandrus Torr.

Species Cyperus eragrostis Lam.

Species Cyperus erythrorhizos Muhl.

Species Cyperus esculentus L.

Species Cyperus flavescens L.

Species Cyperus houghtonii Torr.

Species Cyperus kyllingia Endl.

Species Cyperus odoratus L.

Species Cyperus refractus Engelm. ex Boeck.

Species Cyperus retroflexus Buckley

Species Cyperus rivularis Kunth

Species Cyperus rotundus L.

Species Cyperus setigerus Torr. & Hook.

Species Cyperus strigosus L.

Species Cyperus tenuifolius (Steud.) Dandy

Species Cyperus filiculmis Vahl

variety Cyperus filiculmis Vahl var. macilentus Fernald

Species Cyperus ovularis (Michx.) Torr.

variety Cyperus ovularis (Michx.) Torr. var. sphaericus Boeck.

Species Cyperus polystachyos Rottb.

variety Cyperus polystachyos Rottb. var. texensis (Torr.) Fernald

Genus Dichromena Michx.

Species Dichromena colorata (L.) Hitchc.

Genus Dulichium Pers.

Species Dulichium arundinaceum (L.) Britton

variety Dulichium arundinaceum (L.) Britton var. boreale Lepage

Genus Eleocharis R. Br.

Species Eleocharis acicularis (L.) Roem. & Schult.

variety Eleocharis acicularis (L.) Roem. & Schult. var. porcata S. G. Sm.

variety Eleocharis acicularis (L.) Roem. & Schult. var. submersa (Nilsson) Svenson

Species Eleocharis erythropoda Steud.

Species Eleocharis intersita Zinserl.

Species Eleocharis macrostachya Britton

Species Eleocharis melanocarpa Torr.

Species Eleocharis obtusa (Willd.) Schult.

Species Eleocharis ovata (Roth) Roem. & Schult.

Species Eleocharis palustris (L.) Roem. & Schult.

subspecies Eleocharis palustris (L.) Roem. & Schult. ssp. mamillata (Lindbl.) Beauverd

variety Eleocharis palustris (L.) Roem. & Schult. var. calva (Torr.) A. Gray

variety Eleocharis palustris (L.) Roem. & Schult. var. major Sonder.

Species Eleocharis pauciflora (Lightf.) Link

Species Eleocharis quinqueflora (Hartm.) O. Schwarz

subspecies Eleocharis quinqueflora (Hartm.) O. Schwarz ssp. fernaldii (Svenson) Hultén

Species Eleocharis robbinsii Oakes

Species Eleocharis smallii Britton

Species Eleocharis suksdorfiana Beauverd

Species Eleocharis uniglumis (Link) Schult.

Species Eleocharis flavescens (Poir.) Urb.

variety Eleocharis flavescens (Poir.) Urb. var. flavescens

variety Eleocharis flavescens (Poir.) Urb. var. olivacea (Torr.) Gleason

Species Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer

variety Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer var. anachaeta (Torr.) Svenson

Species Eleocharis tenuis (Willd.) Schult.

variety Eleocharis tenuis (Willd.) Schult. var. tenuis

variety Eleocharis tenuis (Willd.) Schult. var. verrucosa (Svenson) Svenson

Genus Eriophorum L.

Species Eriophorum angustifolium Honck.

subspecies Eriophorum angustifolium Honck. ssp. angustifolium

subspecies Eriophorum angustifolium Honck. ssp. subarcticum (V. N. Vassil.) Hultén

subspecies Eriophorum angustifolium Honck. ssp. triste (Th. Fr.) Hultén

Species Eriophorum brachyantherum Trautv. & C. A. Mey.

Species Eriophorum gracile W. D. J. Koch ex Roth

variety Eriophorum gracile W. D. J. Koch ex Roth var. caurianum Fernald

Species Eriophorum humile Turcz.

Species Eriophorum latifolium Hoppe

Species Eriophorum opacum (Bjørnstrom) Fernald

Species Eriophorum polystachion L.

Species Eriophorum scheuchzeri Hoppe

subspecies Eriophorum scheuchzeri Hoppe ssp. arcticum Novoselova

subspecies Eriophorum scheuchzeri Hoppe ssp. scheuchzeri

variety Eriophorum scheuchzeri Hoppe var. scheuchzeri

variety Eriophorum scheuchzeri Hoppe var. tenuifolium Ohwi

Species Eriophorum spissum Fern.

variety Eriophorum spissum Fern. var. erubescens (Fernald) Fernald

Species Eriophorum tenellum Nutt.

Species Eriophorum triste (Th. Fr.) Hadač & Á. Löve

Species Eriophorum vaginatum L.

subspecies Eriophorum vaginatum L. ssp. spissum (Fernald) Hultén

subspecies Eriophorum vaginatum L. ssp. vaginatum

variety Eriophorum vaginatum L. var. spissum (Fernald) B. Boivin

variety Eriophorum vaginatum L. var. vaginatum

Species Eriophorum virginicum L.

Species Eriophorum viridicarinatum (Engelm.) Fernald

Species Eriophorum chamissonis C. A. Mey.

variety Eriophorum chamissonis C. A. Mey. var. albidum (F. Nyl.) Fernald

variety Eriophorum chamissonis C. A. Mey. var. aquatile (Norman) Fernald

form Eriophorum chamissonis C. A. Mey. forma turneri Raymond

Species Eriophorum russeolum Fr.

subspecies Eriophorum russeolum Fr. ssp. albidum (F. Nylander) Väre

subspecies Eriophorum russeolum Fr. ssp. rufescens Hyl.

variety Eriophorum russeolum Fr. var. albidum F. Nyl.

variety Eriophorum russeolum Fr. var. leucothrix (Blomgr.) Hultén

Genus Fimbristylis Vahl

Species Fimbristylis autumnalis (L.) Roem. & Schult.

variety Fimbristylis autumnalis (L.) Roem. & Schult. var. mucronulata (Michx.) Fernald

Species Fimbristylis pycnocephala Hillebr.

Species Fimbristylis vahlii (Lam.) Link

Genus Fuirena Rottb.

Species Fuirena simplex Vahl

Species Fuirena squarrosa Michx.

Genus Gymnoschoenus Nees

Species Gymnoschoenus sphaerocephalus (R. Br.) Hook. f.

Genus Hemicarpha Nees

Species Hemicarpha aristulata (Coville) Smyth

Species Hemicarpha micrantha (Vahl) Pax

variety Hemicarpha micrantha (Vahl) Pax var. aristulata Coville

variety Hemicarpha micrantha (Vahl) Pax var. drummondii (Nees) Friedl.

Genus Isolepis R. Br.

Species Isolepis setacea (L.) R. Br.

Genus Kobresia Willd.

Species Kobresia filifolia (Turcz.) C. B. Clarke

Species Kobresia hyperborea A. E. Porsild

Species Kobresia macrocarpa Clokey ex Mack.

Species Kobresia myosuroides (Vill.) Fiori & Paol.

Species Kobresia sibirica (Turcz. ex Ledeb.) Boeck.

Species Kobresia simpliciuscula (Wahlenb.) Mack.

subspecies Kobresia simpliciuscula (Wahlenb.) Mack. ssp. subholarctica T.V. Egorova

variety Kobresia simpliciuscula (Wahlenb.) Mack. var. americana Duman

Genus Kyllinga Rottb.

Species Kyllinga nemoralis (J. R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel

Genus Oreobolus R. Br.

Species Oreobolus pectinatus Hook. f.

Genus Psilocarya Torr.

Species Psilocarya scirpoides Torr.

Genus Ptilanthelium Steud.

Species Ptilanthelium deustum (R. Br.) Kük.

Genus Rhynchospora Vahl

Species Rhynchospora alba (L.) Vahl

form Rhynchospora alba (L.) Vahl forma laeviseta Gale

Species Rhynchospora capitellata (Michx.) Vahl

Species Rhynchospora fusca (L.) W. T. Aiton

Species Rhynchospora inexpansa (Michx.) Vahl

Species Rhynchospora macrostachya Torr. ex A. Gray

Species Rhynchospora odorata C. Wright ex Griseb.

Species Rhynchospora perplexa Britton

Genus Schoenoplectus (Rchb.) Palla

Species Schoenoplectus acutus (Muhl. ex Bigelow) A. Love & D. Love

variety Schoenoplectus acutus (Muhl. ex Bigelow) A. Love & D. Love var. acutus

Species Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller

Species Schoenoplectus mucronatus (L.) Palla

Species Schoenoplectus pungens (Vahl) Palla

variety Schoenoplectus pungens (Vahl) Palla var. pungens

Species Schoenoplectus tabernaemontani (C. C. Gmel.) Palla

Genus Scirpus L.

Species Scirpus acutus Muhl. ex Bigelow

Species Scirpus americanus Pers.

Species Scirpus atrocinctus Fernald

Species Scirpus atrovirens Willd.

Species Scirpus cespitosus L.

Species Scirpus cyperinus (L.) Kunth

variety Scirpus cyperinus (L.) Kunth var. pelius Fernald

Species Scirpus hallii A. Gray

Species Scirpus lacustris L.

Species Scirpus lineatus Michx.

Species Scirpus maximowiczii C. B. Clarke

Species Scirpus microcarpus C. Presl

Species Scirpus mucronatus L.

Species Scirpus nevadensis S. Wats.

Species Scirpus paludosus A. Nelson

Species Scirpus pedicellatus Fernald

Species Scirpus rubrotinctus Fernald

Species Scirpus rufus (Huds.) Schrad.

Species Scirpus saximontanus Fernald

Species Scirpus subterminalis Torr.

Species Scirpus sylvaticus L.

Species Scirpus tabernaemontani C. C. Gmel.

Species Scirpus torreyi Olney

Species Scirpus validus Vahl

Species Scirpus maritimus L.

variety Scirpus maritimus L. var. paludosus (A. Nelson) Kük.

Species Scirpus pungens Vahl

subspecies Scirpus pungens Vahl ssp. pungens

variety Scirpus pungens Vahl var. polyphyllus Boeck.

Genus Scleria P. J. Bergius

Species Scleria muehlenbergii Steud.

Species Scleria reticularis Michx.

Species Scleria triglomerata Michx.

Species Scleria verticillata Muhl. ex Willd.

variety Scleria pauciflora Muhl. ex Willd. var. caroliniana (Willd.) Alph. Wood

Genus Trichophorum Pers.

Species Trichophorum alpinum (L.) Pers.

Species Trichophorum cespitosum (L.) Hartm.

subspecies Trichophorum cespitosum (L.) Hartm. ssp. austriacum (Palla) Hegi

Species Trichophorum pumilum (Vahl) Schinz & Thell.

Family Eriocaulaceae

Genus Eriocaulon L.

Species Eriocaulon decangulare L.

Species Eriocaulon septangulare With.

Family Juncaceae

Genus Distichia Nees & Meyen

Species Distichia muscoides Nees & Meyen

Genus Juncus L.

Subgenus Juncus sect. septati (Buchenau) Vierh.

Species Juncus abortivus Chapm.

Species Juncus acuminatus Michx.

variety Juncus acuminatus Michx. var. acuminatus

Species Juncus acutiflorus Ehrh. ex Hoffm.

Species Juncus albescens (Lange) Fern.

Species Juncus alpinoarticulatus Chaix

subspecies Juncus alpinoarticulatus Chaix ssp. americanus (Farwell) Hämet-Ahti

Species Juncus alpinus Vill.

Species Juncus arcticus Willd.

Species Juncus arcticus Willd. var. balticus (Willd.) Hyl. × Juncus filiformis L.

subspecies Juncus arcticus Willd. ssp. balticus (Willd.) Hyl.

subspecies Juncus arcticus Willd. ssp. sitchensis Engelm.

variety Juncus arcticus Willd. var. alaskanus (Hultén) S. L. Welsh

variety Juncus arcticus Willd. var. balticus (Willd.) Trautv.

Species Juncus articulatus L.

Species Juncus balticus Willd.

subspecies Juncus balticus Willd. ssp. ater (Rydberg) Snogerup

subspecies Juncus balticus Willd. ssp. littoralis (Engelm.) Snogerup

variety Juncus balticus Willd. var. littoralis Engelm.

variety Juncus balticus Willd. var. montanus Engelm.

Species Juncus bolanderi Engelm.

Species Juncus brachycephalus (Engelm.) Buchenau

Species Juncus brunnescens Rydb.

Species Juncus bufonius L.

variety Juncus bufonius L. var. bufonius

Species Juncus bulbosus L.

Species Juncus canadensis J. Gay

Species Juncus capitatus Weigel

Species Juncus castaneus Sm.

subspecies Juncus castaneus Sm. ssp. leucochlamys (N. W. Zinger ex V. I. Krecz.) Hultén

variety Juncus castaneus Sm. var. castaneus

Species Juncus compressus Jacq.

Species Juncus coriaceus Mack.

Species Juncus diffusissimus Buckley

Species Juncus drummondii E. Meyer

variety Juncus drummondii E. Meyer var. drummondii

variety Juncus drummondii E. Meyer var. subtriflorus C. L. Hitchc.

Species Juncus dudleyi Wiegand

Species Juncus ensifolius Wikstr.

variety Juncus ensifolius Wikstr. var. ensifolius

variety Juncus ensifolius Wikstr. var. montanus (Engelm.) C. L. Hitchc.

Species Juncus georgianus Coville

Species Juncus gerardii Loisel.

Species Juncus inflexus L.

Species Juncus interior Wiegand

variety Juncus interior Wiegand var. interior

Species Juncus jacquinii L.

Species Juncus leucochlamys Zing. ex V. Krecz.

Species Juncus longistylis Torr.

Species Juncus macer Gray

Species Juncus marginatus Rostk.

Species Juncus maritimus Lam.

Species Juncus mertensianus Bong.

Species Juncus nodosus L.

Species Juncus nodulosus Wahlenb.

Species Juncus occidentalis (Coville) Wiegand

Species Juncus oreganus S. Wats.

Species Juncus oronensis Fern.

Species Juncus pelocarpus E. Meyer

Species Juncus pylaei Laharpe

Species Juncus richardsonianus Schult.

Species Juncus saximontanus A. Nelson

Species Juncus schischkinii Kryl. & Sumn.

Species Juncus squarrosus L.

Species Juncus stygius L.

Species Juncus subtilis E. Meyer

Species Juncus tenageia Ehrh.

Species Juncus tenuis Willd.

variety Juncus tenuis Willd. var. dudleyi (Wiegand) F. J. Herm.

Species Juncus torreyi Coville

Species Juncus tweedyi Rydb.

Species Juncus vaseyi Engelm.

Species Juncus acutus L.

variety Juncus acutus L. var. sphaerocarpus Engelm.

Species Juncus effusus L.

subspecies Juncus effusus L. ssp. effusus

subspecies Juncus effusus L. ssp. solutus (Fern. & Wiegand) Hamet-Ahti

Species Juncus falcatus E. Meyer

variety Juncus falcatus E. Meyer var. sitchensis Buch.

Species Juncus triglumis L.

subspecies Juncus triglumis L. ssp. albescens (Lange) Hultén

variety Juncus triglumis L. var. triglumis

Genus Luzula DC.

Species Luzula bulbosa (Alph. Wood) Rydb.

Species Luzula campestris (L.) DC.

subspecies Luzula campestris (L.) DC. typica Asch. et Graeb.

subspecies Luzula campestris (L.) DC. ssp. multiflora (Ehrh.) Buchenau

variety Luzula campestris (L.) DC. var. congesta (Thuill.) E. Meyer

variety Luzula campestris (L.) DC. var. minor (Sotaki) Welsh

Species Luzula comosa E. Meyer

Species Luzula confusa Lindeb.

Species Luzula echinata (Small) F. J. Herm.

Species Luzula glabrata (Hoppe) Desv.

Species Luzula hitchcockii Hamet-Ahti

Species Luzula kamtschadalorum (Sam.) Gorodk. & Vassil.

Species Luzula kjellmaniana Miyabe & Kudô

Species Luzula nemorosa (Poll.) E. Mey.

Species Luzula nivalis (Laest.) Beurl.

Species Luzula nivea Lamarck & de Candolle

Species Luzula pallescens (Wahlenb.) Bess.

Species Luzula pilosa (L.) Willd.

Species Luzula piperi (Coville) M. E. Jones

Species Luzula silvatica Gaudich.

Species Luzula spicata (L.) DC.

Species Luzula sudetica (Willd.) DC.

Species Luzula tundricola Gorodk. ex Vassil.

Species Luzula wahlenbergii Rupr.

Species Luzula acuminata Raf.

subspecies Luzula acuminata Raf. ssp. acuminata

Species Luzula arcuata (Wahlenb.) Sw.

subspecies Luzula arcuata (Wahlenb.) Sw. ssp. unalaschkensis (Buchenau) Hultén

variety Luzula arcuata (Wahlenb.) Sw. var. unalaschkensis Buch.

Species Luzula multiflora (Ehrh.) Lej.

subspecies Luzula multiflora (Ehrh.) Lej. ssp. frigida (Buchenau) V. I. Krecz.

subspecies Luzula multiflora (Ehrh.) Lej. ssp. multiflora

subspecies Luzula multiflora (Ehrh.) Lej. ssp. sibirica V. I. Krecz.

Species Luzula parviflora (Ehrh.) Desv.

subspecies Luzula parviflora (Ehrh.) Desv. ssp. fastigiata (E. Meyer) Hämet-Ahti

subspecies Luzula parviflora (Ehrh.) Desv. ssp. melanocarpa (Michx.) Hämet-Ahti

subspecies Luzula parviflora (Ehrh.) Desv. ssp. parviflora

variety Luzula parviflora (Ehrh.) Desv. var. melanocarpa (Michx.) Buch.

Species Luzula unalaschkensis Satake

subspecies Luzula unalaschkensis Satake ssp. camtschadalorum (Sam.) Tolm.

Genus Oreojuncus Záveská Drábková & Kirschner

Species Oreojuncus trifidus (Linnaeus) Záveská Drábková & Kirschner

Family Poaceae

Genus Avena L.

Species Avena fatua L.

variety Avena fatua L. var. intermedia (T. Lestib.) Lej. ex Courtois

variety Avena fatua L. var. vilis (Wallr.) Hausskn.

Species Avena sativa L.

Species Avena versicolor Vill.

Genus Colpodium Trin.

Species Colpodium vahlianum (Liebm.) Nevski

Genus Phyllostachys Siebold & Zucc.

Genus Achnatherum P. Beauv.

Species Achnatherum hendersonii (Vasey) Barkworth

Species Achnatherum hymenoides (Roem. & Schult.) Barkworth

Species Achnatherum lemmonii (Vasey) Barkworth

variety Achnatherum lemmonii (Vasey) Barkworth var. lemmonii

Species Achnatherum occidentale (Thurb.) Barkworth

subspecies Achnatherum occidentale (Thurb.) Barkworth ssp. occidentale

subspecies Achnatherum occidentale (Thurb.) Barkworth ssp. pubescens (Vasey) Barkworth

Species Achnatherum richardsonii (Link) Barkworth

Species Achnatherum speciosum (Trin. & Rupr.) Barkworth

Species Achnatherum wallowaense J. Maze & K. A. Robson

Species Achnatherum nelsonii (Scribn.) Barkworth

subspecies Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & J. Maze) Barkworth

subspecies Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii

Genus Aegilops L.

Species Aegilops cylindrica Host

Species Aegilops ovata L.

Species Aegilops squarrosa L.

Species Aegilops triuncialis L.

Genus Agrohordeum E. G. Camus ex A. Camus see ×Agrohordeum

Species Agrohordeum × macounii (Vasey) Lepage

Genus Agropyron Gaertn.

Species Agropyron albicans Scribn. & J. G. Sm.

variety Agropyron albicans Scribn. & J. G. Sm. var. griffithsii (Scribn. & J. G. Sm. ex Piper) Beetle

Species Agropyron caninum (L.) P. Beauv.

Species Agropyron confusum Roshev.

Species Agropyron cristatum (L.) Gaertn.

Species Agropyron dasystachyum (Hook.) Scribn.

variety Agropyron dasystachyum (Hook.) Scribn. var. albicans ( S. & S.) Senn, in ed.

variety Agropyron dasystachyum (Hook.) Scribn. var. dasystachyum

variety Agropyron dasystachyum (Hook.) Scribn. var. riparium (Scribn. & J. G. Sm.) Bowden

Species Agropyron dasystachyum (Hook.) Scribn. × Agropyron trachycaulum (Link) Malte

Species Agropyron dasystachyum (Hook.) Scribn. × Elymus innovatus Beal.

Species Agropyron elongatum (Host) P. Beauv.

Species Agropyron glaucum Roem. & Schult.

Species Agropyron intermedium (Host) P. Beauv.

Species Agropyron junceiforme (Á. Löve & D. Löve) Á. Löve & D. Löve

Species Agropyron latiglume (Scribn. & J. G. Sm.) Rydb.

Species Agropyron littorale Dumort.

Species Agropyron macrourum (Turcz. ex Steud.) Drobov

Species Agropyron psammophilum J. M. Gillett & H. Senn

Species Agropyron repens (L.) P. Beauv.

variety Agropyron repens (L.) P. Beauv. var. glaucescens (Engl. ex Asch. & Graebn.) Hegi

variety Agropyron repens (L.) P. Beauv. var. subulatum Roem. & Schult.

form Agropyron repens (L.) P. Beauv. forma aristatum (Schumach.) Holmb.

form Agropyron repens (L.) P. Beauv. forma vaillantianum (Wulfen & Schreb.) Fern.

Species Agropyron repens (L.) P. Beauv. × Elymus canadensis L.

Species Agropyron riparium Scribn. & J. G. Sm.

Species Agropyron sericeum Hitchc.

Species Agropyron spicatum (Pursh) Scribn. & J. G. Sm.

variety Agropyron spicatum (Pursh) Scribn. & J. G. Sm. var. inerme (Scribn. & J. G. Sm.) A. Heller

variety Agropyron spicatum (Pursh) Scribn. & J. G. Sm. var. spicatum

Species Agropyron spicatum (Pursh) Scribn. & J. G. Sm. var. spicatum × Agropyron trachycaulum (Link) Malte var. unilaterale Malte

Species Agropyron subsecundum (Link) Hitchc.

Species Agropyron trachycaulum (Link) Malte

variety Agropyron trachycaulum (Link) Malte var. glaucum (Pease & A. H. Moore) Malte

variety Agropyron trachycaulum (Link) Malte var. glaucum (Pease & A.H. Moore) Malte

variety Agropyron trachycaulum (Link) Malte var. latiglume (Scribn. & J. G. Sm.) Beetle

variety Agropyron trachycaulum (Link) Malte var. majus (Vasey) Fernald

variety Agropyron trachycaulum (Link) Malte var. novae-angliae (Scribn.) Fernald

variety Agropyron trachycaulum (Link) Malte var. pilosiglume Malte

variety Agropyron trachycaulum (Link) Malte var. tenerum (Vasey) Malte

variety Agropyron trachycaulum (Link) Malte var. trachycaulum

variety Agropyron trachycaulum (Link) Malte var. unilaterale Malte

Species Agropyron trachycaulum (Link) Malte × Elymus innovatus Beal.

Species Agropyron violaceum (Hornem.) Lange

Species Agropyron yukonense Scribn. & Merr.

Species Agropyron × pseudorepens Scribn. & J. G. Sm.

variety Agropyron × pseudorepens Scribn. & J. G. Sm. nothomorph vulpinum (Rydb.) Bowden

Species Agropyron boreale (Turcz.) Dorbov

subspecies Agropyron boreale (Turcz.) Dorbov ssp. alaskanum (Scribn. & Merr.) Melderis

subspecies Agropyron boreale (Turcz.) Dorbov ssp. hyperarcticum (Polunin) Melderis

Species Agropyron smithii Rydb.

variety Agropyron smithii Rydb. var. molle (Scribn. & J. G. Sm.) M. E. Jones

variety Agropyron smithii Rydb. var. smithii

Genus Agrostis L.

Species Agrostis alaskana Hultén

Species Agrostis alba L.

variety Agrostis alba L. var. palustris (Huds.) Pers.

variety Agrostis alba var. stolonifera (Linnaeus) Smith

Species Agrostis arundinacea L.

Species Agrostis californica Trin.

Species Agrostis canina L.

Species Agrostis capillaris L.

Species Agrostis clavata Trin.

Species Agrostis diegoensis Vasey

Species Agrostis gigantea Roth

Species Agrostis hyemalis (Walter) Britton, Sterns & Poggenb.

variety Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. geminata (Trin.) Hitchc.

variety Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. scabra (Willd.) H. L. Blomq.

Species Agrostis idahoensis Nash

Species Agrostis interrupta L.

Species Agrostis oregonensis Vasey

Species Agrostis perennans (Walter) Tuck.

Species Agrostis scabra Willd.

variety Agrostis scabra Willd. var. geminata (Trin.) Swallen

variety Agrostis scabra Willd. var. scabra

variety Agrostis scabra Willd. var. septentrionalis Fernald

Species Agrostis schleicheri Jordan & Verlot ex Schultz.

Species Agrostis stolonifera L.

variety Agrostis stolonifera L. var. palustris (Huds.) Farw.

variety Agrostis stolonifera L. var. stolonifera

Species Agrostis tenuis Sibth.

Species Agrostis thurberiana Hitchc.

Species Agrostis trinii Turcz.

Species Agrostis variabilis Rydb.

Genus Aira L.

Species Aira caryophyllea L.

Species Aira cespitosa L.

Species Aira praecox L.

Genus Alopecurus L.

Species Alopecurus aequalis Sobol.

variety Alopecurus aequalis Sobol. var. aequalis

variety Alopecurus aequalis Sobol. var. natans (Wahlenb.) Fernald

Species Alopecurus arundinaceus Poir.

Species Alopecurus arundinaceus Poir. × Alopecurus geniculatus L.

Species Alopecurus borealis Trinius

Species Alopecurus brachystachyus M. Bieb.

Species Alopecurus carolinianus Walter

Species Alopecurus geniculatus L.

Species Alopecurus magellanicus Lam.

Species Alopecurus myosuroides Huds.

Species Alopecurus occidentalis Scribn. & Tweedy

Species Alopecurus pratensis L.

Genus Ammophila Host

Species Ammophila arenaria (L.) Link

Species Ammophila breviligulata Fernald

Genus Andropogon L.

Species Andropogon gerardii Vitman

Species Andropogon glomeratus (Walter) Britton, Sterns & Poggenb.

Species Andropogon gryllus L.

Species Andropogon gyrans Ashe

Species Andropogon halepensis (L.) Brot.

Species Andropogon hallii Hack.

Species Andropogon saccharoides Sw.

Species Andropogon ternarius Michx.

Species Andropogon contortus L.

variety Andropogon contortus L. var. glaber (Pers.) Hack.

Species Andropogon virginicus L.

variety Andropogon virginicus L. var. hirsutior (Hack.) Hitchc.

variety Andropogon virginicus L. var. virginicus

Genus Anthoxanthum L.

Species Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp

Species Anthoxanthum odoratum L.

Species Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp

subspecies Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp ssp. hirtum

Genus Apera Adans.

Species Apera spica-venti (L.) P. Beauv.

Genus Arctagrostis Griseb.

Species Arctagrostis angustifolia Nash

Species Arctagrostis latifolia (R. Br.) Griseb.

subspecies Arctagrostis latifolia (R. Br.) Griseb. ssp. latifolia

variety Arctagrostis latifolia (R. Br.) Griseb. var. arundinacea (Trin.) Griseb.

variety Arctagrostis latifolia (R. Br.) Griseb. var. latifolia

Species Arctagrostis poaeoides Nash

Genus Arctophila (Rupr.) Rupr. ex Andersson

Species Arctophila fulva (Trin.) Andersson

Genus Aristida L.

Species Aristida adscensionis L.

Species Aristida curtissii (A. Gray) Nash

Species Aristida hamulosa Henrard

Species Aristida oligantha Michx.

Species Aristida longiseta Steud.

variety Aristida longiseta Steud. var. robusta Merr.

Species Aristida purpurea Nutt.

variety Aristida purpurea Nutt. var. fendleriana (Steud.) Vasey

Genus Arrhenatherum P. Beauv.

Species Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl

Species Arrhenatherum pubescens (Huds.) Samp.

Genus Arundinaria Michx.

Species Arundinaria gigantea (Walter) Muhl.

Genus Arundo L.

Species Arundo donax L.

Genus Asperella Humb.

Species Asperella sibirica Trautv.

Genus Avenella (Bluff & Fingerh.) Drejer

Species Avenella flexuosa (L.) Drejer

Genus Avenula (Dumort.) Dumort.

Species Avenula hookeri (Scribn.) Holub

Species Avenula pubescens (Huds.) Dumort.

Genus Beckmannia Host

Species Beckmannia syzigachne (Steud.) Fern.

subspecies Beckmannia syzigachne (Steud.) Fern. ssp. baicalensis (I. V. Kusn.) Hultén

Genus Bothriochloa Kuntze

Species Bothriochloa barbinodis (Lag.) Herter

Species Bothriochloa intermedia (R. Br.) A. Camus

Species Bothriochloa saccharoides (Sw.) Rydb.

Genus Bouteloua Lag.

Species Bouteloua aristidoides (Kunth) Griseb.

Species Bouteloua barbata Lag.

Species Bouteloua gracilis (H. B. K.) Lag. ex Steud.

variety Bouteloua gracilis (H. B. K.) Lag. ex Steud. var. gracilis

Species Bouteloua gracilis (Kunth) Lag. ex Griffiths

Species Bouteloua hirsuta Lag.

variety Bouteloua hirsuta Lag. var. hirsuta

Species Bouteloua repens (Kunth) Scribn. & Merr.

Genus Brachyelytrum P. Beauv.

Species Brachyelytrum aristosum (Michx.) P. Beauv. ex Trel.

Species Brachyelytrum erectum (Schreb.) P. Beauv.

variety Brachyelytrum erectum (Schreb.) P. Beauv. var. septentrionale Babel

Genus Brachypodium P. Beauv.

Species Brachypodium pinnatum (L.) P. Beauv.

Genus Briza L.

Species Briza maxima L.

Species Briza media L.

Genus Bromopsis (Dumort.) Fourr.

Species Bromopsis variegata (M. Bieb.) Holub

Genus Bromus L.

Species Bromus altissimus Pursh

Species Bromus anomalus Rupr. ex E. Fourn.

Species Bromus arizonicus (Shear) Stebbins

Species Bromus arvensis L.

Species Bromus benekenii (Lange) Trimen

Species Bromus benekenii (Syme) Beck.

Species Bromus biebersteinii auct. non Roemer & Schultes

Species Bromus breviaristatus Buckley

Species Bromus briziformis Fisch. & C. A. Mey.

Species Bromus carinatus Hook. & Arn.

variety Bromus carinatus Hook. & Arn. var. carinatus

variety Bromus carinatus Hook. & Arn. var. marginatus (Nees ex Steud.) Barkworth & Anderton

Species Bromus catharticus Vahl

Species Bromus cebadilla Steud.

Species Bromus ciliatus L.

Species Bromus commutatus Schrad.

Species Bromus danthoniae Trin. ex C. A. Mey.

Species Bromus diandrus Roth

Species Bromus erectus Huds.

Species Bromus frondosus (Shear) Wooton & Standl.

Species Bromus hordeaceus L.

Species Bromus inermis Leyss.

subspecies Bromus inermis Leyss. ssp. inermis

subspecies Bromus inermis Leyss. ssp. pumpellianus (Scribn.) Wagnon

variety Bromus inermis Leyss. var. inermis

Species Bromus inermis Leyss. × Bromus pumpellianus Scribn.

Species Bromus japonicus Houttuyn

Species Bromus kalmii A. Gray

Species Bromus macrostachys Desf.

Species Bromus mollis L.

Species Bromus nottowayanus Fern.

Species Bromus pacificus Shear

Species Bromus pectinatus Thunb.

Species Bromus porteri (J. M. Coult.) Nash

Species Bromus pseudodanthoniae Drobow

Species Bromus pubescens Muhl. ex Willd.

Species Bromus pumpellianus Scribn.

subspecies Bromus pumpellianus Scribn. ssp. pumpellianus

variety Bromus pumpellianus Scribn. var. arcticus (Shear) A. E. Porsild

variety Bromus pumpellianus Scribn. var. pumpellianus

Species Bromus racemosus L.

Species Bromus ramosus Huds.

Species Bromus richardsonii Link

Species Bromus rigidus Roth

Species Bromus riparius Rehmann

Species Bromus rubens L.

Species Bromus scoparius L.

Species Bromus secalinus L.

Species Bromus sibiricus Drobow

Species Bromus sitchensis Trin.

variety Bromus sitchensis Trin. var. carinatus (Hooker & Arnott) R.E. Brainerd & Otting

Species Bromus squarrosus L.

Species Bromus sterilis L.

Species Bromus striatus Hitchc.

Species Bromus subvelutinus Shear

Species Bromus tectorum L.

Species Bromus trinii E. Desv.

Species Bromus vulgaris (Hook.) Shear

Species Bromus madritensis L.

subspecies Bromus madritensis L. ssp. rubens (L.) Husn.

Genus Buchloe Engelm.

Species Buchloe dactyloides (Nutt.) Engelm.

Genus Calamagrostis Adans.

Species Calamagrostis angustifolia Kom.

Species Calamagrostis arundinacea (L.) Roth

Species Calamagrostis arundinacea (L.) Roth × Calamagrostis epigeios (L.) Roth

Species Calamagrostis canadensis (Michx.) Nutt.

Species Calamagrostis canadensis (Michx.) P. Beauv.

subspecies Calamagrostis canadensis (Michx.) P. Beauv. ssp. canadensis

subspecies Calamagrostis canadensis (Michx.) P. Beauv. ssp. langsdorffii (Link) Hultén

variety Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis

variety Calamagrostis canadensis (Michx.) P. Beauv. var. langsdorfii (Link) Inman

variety Calamagrostis canadensis (Michx.) P. Beauv. var. pallida Stebbins

variety Calamagrostis canadensis (Michx.) P. Beauv. var. robusta Vasey

variety Calamagrostis canadensis (Michx.) P. Beauv. var. scabra (J. Presl) Hitchc.

Species Calamagrostis canescens (Wigg.) Roth

Species Calamagrostis chordorrhiza A. E. Porsild

Species Calamagrostis deschampsioides Trin.

Species Calamagrostis epigeios (L.) Roth

Species Calamagrostis holmii Lange in Holm

Species Calamagrostis inexpansa A. Gray

variety Calamagrostis inexpansa A. Gray var. brevior (Vasey) Stebbins

variety Calamagrostis inexpansa A. Gray var. robusta (Vasey) Stebbins

Species Calamagrostis koelerioides Vasey

Species Calamagrostis korotkyi Litv.

Species Calamagrostis lanceolata Roth

Species Calamagrostis lepageana Louis-Marie

Species Calamagrostis montanensis Scribn.

Species Calamagrostis neglecta (Ehrh.) Gaertn.

variety Calamagrostis neglecta (Ehrh.) Gaertn. var. micrantha (Kearney) Stebbins

Species Calamagrostis nutkaensis (J. Presl) J. Presl ex Steud.

Species Calamagrostis obtusata Trin.

Species Calamagrostis pickeringii A. Gray

Species Calamagrostis purpurascens R. Br.

subspecies Calamagrostis purpurascens R. Br. ssp. arctica (Vasey) Hultén

subspecies Calamagrostis purpurascens R. Br. ssp. purpurascens

variety Calamagrostis purpurascens R. Br. var. laricina Louis-Marie

variety Calamagrostis purpurascens R. Br. var. purpurascens

Species Calamagrostis purpurea (Trin.) Trin.

Species Calamagrostis rubescens Buckley

Species Calamagrostis scopulorum M. E. Jones

Species Calamagrostis stricta (Timm) Koeler

subspecies Calamagrostis stricta (Timm) Koeler ssp. groenlandica (Schrank) Á. Löve

subspecies Calamagrostis stricta (Timm) Koeler ssp. inexpansa (A. Gray) C. W. Greene

subspecies Calamagrostis stricta (Timm) Koeler ssp. stricta

Species Calamagrostis suksdorfii (Scribn.) Scribn.

Species Calamagrostis tweedyi (Scribn.) Scribn.

Species Calamagrostis vicunarum (Wedd.) Pilg.

Species Calamagrostis villosa (Chaix.) Gmelin

Genus Calamovilfa (A. Gray) Hack. ex Scribn. & Southw.

Species Calamovilfa longifolia (Hook.) Scribn.

variety Calamovilfa longifolia (Hook.) Scribn. var. longifolia

variety Calamovilfa longifolia (Hook.) Scribn. var. magna Scribn. & Merr.

Genus Catabrosa P. Beauv.

Species Catabrosa aquatica (L.) P. Beauv.

Genus Cenchrus L.

Species Cenchrus echinatus L.

Species Cenchrus incertus M. A. Curtis

Species Cenchrus longispinus (Hack.) Fernald

Species Cenchrus pauciflorus Benth.

Genus Ceratochloa P. Beauv.

Species Ceratochloa carinata (Hook. & Arn.) Tutin

Genus Chloris Sw.

Species Chloris virgata Sw.

Genus Cinna L.

Species Cinna arundinacea L.

Species Cinna latifolia (Trevir. ex Göpp.) Griseb.

Genus Cleistogenes Keng

Species Cleistogenes bulgarica (Bornm.) Keng

Species Cleistogenes kitagawae Honda

Genus Coix L.

Species Coix lacryma-jobi L.

Genus Cortaderia Stapf

Species Cortaderia fulvida (Buchanan) Zotov

Genus Crypsis Aiton

Species Crypsis schoenoides (L.) Lam.

Genus Cymbopogon Spreng.

Species Cymbopogon nardus (L.) Rendle

Genus Cynodon Rich.

Species Cynodon dactylon (L.) Pers.

Genus Cynosurus L.

Species Cynosurus cristatus L.

Species Cynosurus echinatus L.

Genus Dactylis L.

Species Dactylis glomerata L.

Genus Danthonia DC.

Species Danthonia californica Bol.

variety Danthonia californica Bol. var. americana (Scribn.) Hitchc.

variety Danthonia californica Bol. var. californica

Species Danthonia compressa Austin

Species Danthonia intermedia Vasey

Species Danthonia parryi Scribn.

Species Danthonia unispicata (Thurb.) Munro ex Macoun

Species Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.

variety Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. var. pinetorum Piper

Genus Dasyochloa Willd. ex Rydb.

Species Dasyochloa pulchella (Kunth) Willd. ex Rydb.

Genus Deschampsia P. Beauv.

Species Deschampsia atropurpurea (Wahlenb.) Scheele

Species Deschampsia beringensis Hultén

Species Deschampsia borealis (Trautv.) Roshev.

Species Deschampsia bottnica (Wahlenb.) Trin.

Species Deschampsia bottnica (Wahlenb.) Trin. × Deschampsia cespitosa (L.) P. Beauv.

Species Deschampsia brevifolia R. Br.

Species Deschampsia cespitosa (L.) P. Beauv.

subspecies Deschampsia cespitosa (L.) P. Beauv. ssp. cespitosa

subspecies Deschampsia cespitosa (L.) P. Beauv. ssp. glauca (C. Hartm.) C. Hartm.

subspecies Deschampsia cespitosa (L.) P. Beauv. ssp. glauca (C. Hartm.) C. Hartm..

subspecies Deschampsia cespitosa (L.) P. Beauv. ssp. littoralis (Gaudin) K. Richt.

variety Deschampsia cespitosa (L.) P. Beauv. var. cespitosa

variety Deschampsia cespitosa (L.) P. Beauv. var. pungens (Rydb.) B. Boivin

Species Deschampsia danthonioides (Trin.) Munro

Species Deschampsia flexuosa (L.) Trin.

Species Deschampsia mackenzieana Raup

Species Deschampsia obensis Roshev.

Species Deschampsia pumila (Griseb.) Ostenf.

Species Deschampsia sukatschewii (Popl.) Roshev.

Species Deschampsia littoralis (Gaudin) Reut.

variety Deschampsia littoralis (Gaudin) Reut. var. rhenana (Gremli) Hack.

Genus Dichanthelium (Hitchc. & Chase) Gould

Species Dichanthelium oligosanthes (Schult.) Gould

subspecies Dichanthelium oligosanthes (Schult.) Gould ssp. scribnerianum (Nash) Freckmann & Lelong

variety Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould

Species Dichanthelium acuminatum (Sw.) Gould & C. A. Clark

subspecies Dichanthelium acuminatum (Sw.) Gould & C. A. Clark ssp. fasciculatum (Torr.) Freckmann & Lelong

Genus Digitaria Haller

Species Digitaria californica (Benth.) Henrard

Species Digitaria ischaemum (Schreb.) Muhl.

Species Digitaria sanguinalis (L.) Scop.

variety Digitaria sanguinalis (L.) Scop. var. ciliaris (Retz.) Parl.

Genus Distichlis Raf.

Species Distichlis spicata (L.) Greene

variety Distichlis spicata (L.) Greene var. spicata

variety Distichlis spicata (L.) Greene var. stricta (Torr.) Scribn.

Species Distichlis stricta (Torr.) Rydb.

Genus Dupontia R. Br.

Species Dupontia fisheri R. Br.

subspecies Dupontia fisheri R. Br. ssp. psilosantha (Rupr.) Hultén

variety Dupontia fisheri R. Br. var. psilosantha (Rupr.) Trautv.

Species Dupontia psilosantha Rupr.

Genus Echinochloa P. Beauv.

Species Echinochloa crus-galli (L.) P. Beauv.

Species Echinochloa frumentacea Link

Species Echinochloa walteri (Pursh) A. Heller

Species Echinochloa wiegandii (Fassett) McNeill & Dore

Species Echinochloa muricata (P. Beauv.) Fernald

variety Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand

Genus Eleusine Gaertn.

Species Eleusine indica (L.) Gaertn.

Genus Elymus L.

Species Elymus albicans (Scribn. & J. G. Sm.) Á. Löve

Species Elymus angustus Trin.

Species Elymus arizonicus (Scribn. & J. G. Sm.) Gould

Species Elymus calderi Barkworth

Species Elymus canadensis L.

variety Elymus canadensis L. var. canadensis

Species Elymus canadensis L. × Elymus innovatus Beal.

Species Elymus caninus (L.) L.

Species Elymus cinereus Scribn. & Merr.

Species Elymus condensatus J. Presl

Species Elymus dasystachys Trin.

Species Elymus diversiglumis Scribn. & C.R. Ball

Species Elymus elymoides (Raf.) Swezey

subspecies Elymus elymoides (Raf.) Swezey ssp. californicus (J.G. Sm.) Barkworth

Species Elymus hirtiflorus Hitchc.

Species Elymus innovatus Beal

subspecies Elymus innovatus Beal ssp. innovatus

Species Elymus junceus Fisch.

Species Elymus lanceolatus (Scribn. & J. G. Sm.) Gould

subspecies Elymus lanceolatus (Scribn. & J. G. Sm.) Gould ssp. lanceolatus

subspecies Elymus lanceolatus (Scribn. & J. G. Sm.) Gould ssp. riparius (Scribn. & J. G. Sm.) Barkworth

variety Elymus lanceolatus (Scribn. & J. G. Sm.) Gould var. riparius (Scribn. & J. G. Sm.) Dorn

Species Elymus macounii Vasey

Species Elymus mutabilis (Drobow) Tzvelev

Species Elymus piperi Bowden

Species Elymus repens (L.) Gould

Species Elymus riparius Wiegand

Species Elymus salinus M. E. Jones

Species Elymus saxicola Scribn. & J. G. Sm.

Species Elymus sibiricus L.

Species Elymus spicatus (Pursh) Gould

Species Elymus trachycaulus (Link) Gould ex Shinners

subspecies Elymus trachycaulus (Link) Gould ex Shinners ssp. subsecundus (Link) Gould

subspecies Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus

subspecies Elymus trachycaulus (Link) Gould ex Shinners ssp. violaceus (Hornem.) Á. Löve & D. Löve

variety Elymus trachycaulus (Link) Gould ex Shinners var. trachycaulus

Species Elymus violaceus (Hornem.) Feilberg

Species Elymus virginicus L.

variety Elymus virginicus L. var. glabriflorus (Vasey ex L. H. Dewey) Bush

variety Elymus virginicus L. var. jejunus (Ramaley) Bush

variety Elymus virginicus L. var. submuticus Hook.

variety Elymus virginicus L. var. virginicus

Species Elymus wiegandii Fernald

Species Elymus alaskanus (Scribn. & Merr.) Á. Löve

subspecies Elymus alaskanus (Scribn. & Merr.) Á. Löve ssp. alaskanus

subspecies Elymus alaskanus (Scribn. & Merr.) Á. Löve ssp. hyperarcticus (Polunin) Á. Löve & D. Löve

subspecies Elymus alaskanus (Scribn. & Merr.) Á. Löve ssp. latiglumis (Scribn. & J. G. Sm.) Á. Löve

Species Elymus glaucus Buckley

subspecies Elymus glaucus Buckley ssp. glaucus

subspecies Elymus glaucus Buckley ssp. virescens (Piper) Gould

variety Elymus glaucus Buckley var. glaucus

variety Elymus glaucus Buckley var. jepsonii Burtt Davy

Species Elymus hispidus (Opiz) Melderis

variety Elymus hispidus (Opiz) Melderis var. hispidus

Genus Enneapogon Desv. ex P. Beauv.

Species Enneapogon desvauxii P. Beauv.

Genus Eragrostis Wolf

Species Eragrostis abyssinica (Jacq.) Link

Species Eragrostis capillaris (L.) Nees

Species Eragrostis cilianensis (All.) Vignolo ex Janch.

Species Eragrostis ciliaris (L.) R. Br.

Species Eragrostis curvula (Schrad.) Nees

Species Eragrostis frankii C. A. Mey. ex Steud.

Species Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb.

Species Eragrostis intermedia Hitchc.

Species Eragrostis lehmanniana Nees

Species Eragrostis megastachya (Koeler) Link

Species Eragrostis minor Host

Species Eragrostis oxylepis (Torr.) Torr.

Species Eragrostis pectinacea (Michx.) Nees

Species Eragrostis pilosa (L.) P. Beauv.

Species Eragrostis reptans (Michx.) Nees

Genus Eremopoa Roshev.

Species Eremopoa persica (Trin.) Roshev.

Genus Eremopyrum (Ledeb.) Jaub. & Spach

Species Eremopyrum triticeum (Gaertn.) Nevski

Genus Erianthus Michx.

Species Erianthus giganteus (Walter) P. Beauv.

Genus Eriochloa Kunth

Species Eriochloa acuminata (J. Presl) Kunth

variety Eriochloa acuminata (J. Presl) Kunth var. acuminata

Genus Eriocoma Nutt.

Species Eriocoma hymenoides (Roem. & Schult.) Rydb.

Genus Erioneuron Nash

Species Erioneuron pilosum (Buckley) Nash

Genus Festuca L.

Species Festuca amethystina L.

Species Festuca arizonica Vasey

Species Festuca arundinacea Schreb.

Species Festuca auriculata Drobow

Species Festuca baffinensis Polunin

Species Festuca brachyphylla Schult. & Schult. f.

subspecies Festuca brachyphylla Schultes & Schultes f. ssp. brachyphylla

Species Festuca campestris Rydb.

Species Festuca dasyclada Hackel ex Beal

Species Festuca djimilensis Boiss. & Balansa

Species Festuca elatior L.

Species Festuca filiformis Pourr.

Species Festuca glauca Lam.*

Species Festuca grayi (Abrams) Piper

Species Festuca hallii (Vasey) Piper

Species Festuca hyperborea Holmen ex Fredericksen

Species Festuca idahoensis Elmer

variety Festuca idahoensis Elmer var. idahoensis

Species Festuca microstachys Nutt.

Species Festuca myuros L.

Species Festuca obtusa Biehler

Species Festuca obtusa Spreng.*

Species Festuca ovina L.

subspecies Festuca ovina L. ssp. alaskana Holmen

subspecies Festuca ovina L. ssp. crassifolia (Gaud.) Zoller

subspecies Festuca ovina L. ssp. supina (Schur) Hack.

variety Festuca ovina L. ssp. supina (Schur) Hack. var. vivipara (L.) Hack.

variety Festuca ovina L. var. brachyphylla (Schult. & Schult. f.) Hitchc.

variety Festuca ovina L. var. brevifolia S. Wats.

variety Festuca ovina L. var. rydbergii St.-Yves

Species Festuca pallens Host

Species Festuca paniculata (L.) Schinz & Thell.

Species Festuca pseudodalmatica Krajina ex Domin

Species Festuca quadriflora Honck.

Species Festuca reflexa Buckley

Species Festuca richardsonii Hook.

Species Festuca rubra L.

subspecies Festuca rubra L. ssp. arctica (Hackel) Govorov

subspecies Festuca rubra L. ssp. pruinosa (Hackel) Piper

subspecies Festuca rubra L. ssp. richardsonii (Hook.) Hultén

subspecies Festuca rubra L. ssp. rubra

subspecies Festuca rubra L. ssp. eu-rubra Hack.

variety Festuca rubra L. ssp. eu-rubra Hack. var. commutata Gaud.

variety Festuca rubra L. ssp. eu-rubra Hack. var. genuina Hack.

variety Festuca rubra L. ssp. eu-rubra Hack. var. vulgaris (Gaud.) Hack.

variety Festuca rubra L. var. arenaria (Osbeck) Fr.

variety Festuca rubra L. var. biacalensis Griseb.

variety Festuca rubra L. var. glabrata Hultén

variety Festuca rubra L. var. lanuginosa F. Mertens & W. Koch

Species Festuca ruprechtii (Boiss.) V. I. Krecz. & Bobrov

Species Festuca saximontana Rydb.

variety Festuca saximontana Rydb. var. purpusiana (St.-Yves) Fred. & Pavlick

variety Festuca saximontana Rydb. var. saximontana

Species Festuca scabrella Torr.

variety Festuca scabrella Torr. var. major Vasey

Species Festuca thurberi Vasey

Species Festuca trachyphylla (Hack.) Krajina

Species Festuca viridula Vasey

Species Festuca vivipara (L.) Sm.

Species Festuca woronowii Hack.

Species Festuca halleri All.

subspecies Festuca halleri All. ssp. halleri

Species Festuca occidentalis Hook.

variety Festuca occidentalis Hook. var. ingrata (Hack. ex Beal) B. Boivin

Genus Glyceria R. Br.

Species Glyceria borealis (Nash) Batch.

Species Glyceria canadensis (Michx.) Trin.

Species Glyceria fluitans (L.) R. Br.

Species Glyceria grandis S. Wats.

Species Glyceria lithuanica (Gorski) Gorski

Species Glyceria maxima (Hartm.) Holmb.

Species Glyceria melicaria (Michx.) F. T. Hubb.

Species Glyceria plicata (Fr.) Fr.

Species Glyceria pulchella (Nash) K. Schum.

Species Glyceria × occidentalis (Piper) J. C. Nelson

Species Glyceria striata (Lam.) Hitchc.

subspecies Glyceria striata (Lam.) Hitchc. ssp. striata

subspecies Glyceria striata (Lam.) Hitchc. ssp. stricta (Scribn.) Hultén

variety Glyceria striata (Lam.) Hitchc. var. stricta (Scribn.) Fernald

Genus Hackelochloa Kuntze

Species Hackelochloa granularis (L.) Kuntze

Genus Heleochloa Host ex Roem.

Species Heleochloa schoenoides (L.) Host

Genus Helictochloa Romero Zarco

Species Helictochloa hookeri (Scribner) Romero Zarco

Genus Helictotrichon Besser ex Schult. & Schult. f.

Species Helictotrichon hookeri (Scribn.) Henrard

Species Helictotrichon mortonianum (Scribn.) Henrard

Genus Hesperochloa (Piper) Rydb.

Species Hesperochloa kingii (S. Wats.) Rydb.

Genus Hesperostipa (M. K. Elias) Barkworth

Species

Species Hesperostipa comata (Trin. & Rupr.) Barkworth

subspecies Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. comata

Species Hesperostipa curtiseta (Hitchcock) Barkworth

Genus Heteropogon Pers.

Species Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.

Genus Hierochloe R. Br.

Species Hierochloe australis (Schrad.) Roem. & Schult.

Species Hierochloe odorata (L.) P. Beauv.

Species Hierochloe pauciflora R. Br.

Genus Hilaria Kunth

Species Hilaria belangeri (Steud.) Nash

Species Hilaria jamesii (Torr.) Benth.

Species Hilaria rigida (Thurb.) Benth. ex Scribn.

Genus Holcus L.

Species Holcus lanatus L.

Species Holcus mollis L.

Genus Homolepis Chase

Species Homolepis aturensis (Kunth) Chase

Genus Hordeum L.

Species Hordeum brachyantherum Nevski

subspecies Hordeum brachyantherum Nevski ssp. brachyantherum

Species Hordeum bulbosum L.

Species Hordeum crinitum (Schreb.) Desf.

Species Hordeum geniculatum All.

Species Hordeum glaucum Steud.

Species Hordeum jubatum L.

subspecies Hordeum jubatum L. ssp. breviaristatum Bowden

subspecies Hordeum jubatum L. ssp. × intermedium Bowden

variety Hordeum jubatum L. var. caespitosum Hitchc.

Species Hordeum lechleri (Steud.) Schenck

Species Hordeum leporinum Link

Species Hordeum murinum L.

subspecies Hordeum murinum L. ssp. leporinum (Link) Arcang.

Species Hordeum nodosum L.

Species Hordeum pusillum Nutt.

Species Hordeum vulgare L.

Genus Hystrix Moench

Species Hystrix patula Moench

Genus Isachne R. Br.

Species Isachne distichophylla Munro ex Hillebr.

Genus Koeleria Pers.

Species Koeleria asiatica Domin

Species Koeleria cristata (L.) Bertol.

Species Koeleria macrantha (Ledeb.) Schult.

Species Koeleria nitida Nutt.

Species Koeleria pyramidata (Lam.) P. Beauv.

Species Koeleria vallesiana (Honck.) Gaudin

Genus Lagurus L.

Species Lagurus ovatus L.

Genus Lamarckia Moench

Species Lamarckia aurea (L.) Moench

Genus Lasiagrostis Link (nom. illeg.)

Species Lasiagrostis caragana (Trin.) Trin. & Rupr.

Genus Leersia Sol. ex Sw.

Species Leersia oryzoides (L.) Sw.

Species Leersia virginica Willd.

Genus Leptochloa P. Beauv.

Species Leptochloa dubia (Kunth) Nees

Species Leptochloa fascicularis (Lam.) A. Gray

Species Leptochloa filiformis (Pers.) P. Beauv.

Species Leptochloa viscida (Scribn.) Beal

Species Leptochloa fusca (L.) Kunth

subspecies Leptochloa fusca (L.) Kunth ssp. uninervia (J. Presl) N. Snow

Species Leptochloa panicea (Retz.) Ohwi

subspecies Leptochloa panicea (Retz.) Ohwi ssp. brachiata (Steud.) N. Snow

Genus Leptoloma Chase

Species Leptoloma cognatum (Schult.) Chase (nom. illeg.)

Genus Leucopoa Griseb.

Species Leucopoa kingii (S. Wats.) W. A. Weber

Genus Leymus Hochst.

Species Leymus arenarius (L.) Hochst.

Species Leymus cinereus (Scribn. & Merr.) Á. Löve

Species Leymus innovatus (Beal) Pilg.

subspecies Leymus innovatus (Beal) Pilg. ssp. innovatus

Species Leymus racemosus (Lam.) Tzvelev

Species Leymus mollis (Trin.) Pilg.

subspecies Leymus mollis (Trin.) Pilg. ssp. villosissimus (Scribner) Á. Löve & D. Löve

Genus Lolium L.

Species Lolium arundinaceum (Schreb.) Darbysh.

Species Lolium multiflorum Lam.

Species Lolium perenne L.

Species Lolium persicum Boiss. & Hohen.

form Lolium persicum Boiss. & Hohen. forma persicum

Species Lolium pratense (Huds.) Darbysh.

Species Lolium rigidum Gaudin

Species Lolium temulentum L.

Genus Melica L.

Species Melica bulbosa Geyer ex Porter & J. M. Coult.

Species Melica mutica Walter

Species Melica nutans L.

Species Melica subulata (Griseb.) Scribn.

Species Melica transsilvanica Schur

Species Melica uniflora Retz.

Species Melica ciliata L.

subspecies Melica ciliata L. ssp. ciliata

Species Melica stricta Bol.

variety Melica stricta Bol. var. stricta

Genus Milium L.

Species Milium effusum L.

variety Milium effusum L. var. cisatlanticum Fernald

Genus Miscanthus Andersson

Species Miscanthus sacchariflorus (Maxim.) Hack.

Genus Molinia Schrank

Species Molinia caerulea (L.) Moench

Genus Muhlenbergia Schreb.

Species Muhlenbergia andina (Nutt.) Hitchc.

Species Muhlenbergia appressa C.O. Goodd.

Species Muhlenbergia arenicola Buckley

Species Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi

Species Muhlenbergia cuspidata (Torr. ex Hook.) Rydb.

Species Muhlenbergia emersleyi Vasey

Species Muhlenbergia fragilis Swallen

Species Muhlenbergia frondosa (Poir.) Fernald

Species Muhlenbergia glomerata (Willd.) Trin.

variety Muhlenbergia glomerata (Willd.) Trin. var. cinnoides (Link) F. J. Herm.

Species Muhlenbergia mexicana (L.) Trin.

Species Muhlenbergia montana (Nutt.) Hitchc.

Species Muhlenbergia porteri Scribn. ex Beal

Species Muhlenbergia pungens Thurb. ex A. Gray

Species Muhlenbergia richardsonis (Trin.) Rydb.

Species Muhlenbergia schreberi J. F. Gmel.

Species Muhlenbergia sinuosa Swallen

Species Muhlenbergia squarrosa (Trin.) Rydb.

Species Muhlenbergia sylvatica (Torrey) Torrey ex A. Gray

Species Muhlenbergia tenuiflora (Kunth) Kunth

Species Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb.

Species Muhlenbergia torreyi (Kunth) Hitchc. ex Bush

Species Muhlenbergia uniflora (Muhl.) Fernald

Species Muhlenbergia wrightii Vasey ex J. M. Coult.

Genus Nardus L.

Species Nardus stricta L.

Genus Nassella (Trin.) E. Desv.

Species Nassella lepida (Hitchc.) Barkworth

Species Nassella pulchra (Hitchc.) Barkworth

Species Nassella viridula (Trin.) Barkworth

Genus Oryza L.

Species Oryza oryzoides (L.) Brand & W. D. J. Koch

Genus Oryzopsis Michx.

Species Oryzopsis asperifolia Michx.

Species Oryzopsis pungens (Torr.) Hitchc.

Species Oryzopsis racemosa (Sm.) Ricker ex Hitchc.

Species Oryzopsis virescens (Trin.) Beck

Genus Panicularia Colla

Species Panicularia borealis Nash

Genus Panicum L.

Species Panicum aciculare Desv. ex Poir.

Species Panicum agrostoides Spreng.

Species Panicum anceps Michx.

Species Panicum boreale Nash

Species Panicum capillare L.

subspecies Panicum capillare L. ssp. capillare

Species Panicum clandestinum L.

Species Panicum columbianum Scribn.

Species Panicum depauperatum Muhl.

variety Panicum depauperatum Muhl. var. psilophyllum Fernald

Species Panicum dichotomiflorum Michx.

Species Panicum dichotomum L.

Species Panicum flexile (Gatt.) Scribn.

Species Panicum gattingeri Nash

Species Panicum hians Elliott

Species Panicum hirticaule J. Presl

Species Panicum implicatum Scribn.

Species Panicum latifolium L.

Species Panicum laxiflorum Lam.

Species Panicum lindheimeri Nash

Species Panicum linearifolium Scribn.

variety Panicum linearifolium Scribn. var. werneri (Scribn.) Fernald

Species Panicum meridionale Ashe

Species Panicum miliaceum L.

Species Panicum occidentale Scribn.

Species Panicum pacificum Hitchc. & Chase

Species Panicum perlongum Nash

Species Panicum philadelphicum Bernh. ex Trin.

Species Panicum pseudopubescens Nash

Species Panicum sphaerocarpon Elliott

Species Panicum spretum Schult.

Species Panicum subvillosum Ashe

Species Panicum texanum Buckley

Species Panicum tuckermanii Fernald

Species Panicum urvilleanum Kunth

Species Panicum verrucosum Muhl.

Species Panicum virgatum L.

variety Panicum virgatum L. var. spissum Linder

Species Panicum xanthophysum A. Gray

Species Panicum alatum Zuloaga & Morrone

variety Panicum alatum Zuloaga & Morrone var. minus (Andersson) Zuloaga & Morrone

Species Panicum lanuginosum Elliott

variety Panicum lanuginosum Elliott var. implicatum (Scribn.) Fernald

Genus Pappophorum Schreb.

Species Pappophorum vaginatum Buckley

Genus Pappostipa (Speg.) Romasch., P. M. Peterson & Soreng

Species Pappostipa speciosa (Trin. & Rupr.) Romasch.

Genus Pascopyrum Á. Löve

Species Pascopyrum smithii (Rydb.) Barkworth & D. R. Dewey

Genus Paspalum L.

Species Paspalum ciliatifolium Michx.

variety Paspalum ciliatifolium Michx. var. muhlenbergii (Nash) Fernald

variety Paspalum ciliatifolium Michx. var. stramineum (Nash) Fernald

Species Paspalum conjugatum P. J. Bergius

Species Paspalum dilatatum Poir.

Species Paspalum floridanum Michx.

Species Paspalum fluitans (Elliott) Kunth

Species Paspalum plicatulum Michx.

Species Paspalum psammophilum Nash ex Hitchc.

Species Paspalum scrobiculatum L.

Species Paspalum pubiflorum Rupr. ex E. Fourn.

variety Paspalum pubiflorum Rupr. ex E. Fourn. var. glabrum Vasey ex Scribn.

Genus Pennisetum Rich.

Species Pennisetum setaceum (Forssk.) Chiov.

Genus Phalaris L.

Species Phalaris arundinacea L.

variety Phalaris arundinacea L. var. arundinacea

variety Phalaris arundinacea L. var. picta L.

Species Phalaris canariensis L.

Species Phalaris minor Retz.

Genus Phippsia (Trin.) R. Br.

Species Phippsia algida (Sol.) R. Br.

form Phippsia algida (Sol.) R. Br. forma vestita Holmb.

Species Phippsia concinna (Th. Fr.) Lindeb.

Genus Phleum L.

Species Phleum alpinum L.

variety Phleum alpinum L. var. alpinum

Species Phleum michelii All.

Species Phleum paniculatum Huds.

Species Phleum phleoides (L.) H. Karst.

Species Phleum pratense L.

variety Phleum pratense L. var. pratense

Genus Phragmites Adans.

Species Phragmites australis (Cav.) Trin. ex Steud.

subspecies Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonstall, P. M. Peterson & Soreng

Species Phragmites communis Trin.

Genus Piptatheropsis Romasch., P. M. Peterson & Soreng

Species Piptatheropsis exigua (Thurb.) Romasch., P. M. Peterson & Soreng

Species Piptatheropsis pungens (Torrey ex Sprengel) Romaschenko, P. M. Peterson & Soreng

Genus Piptatherum P. Beauv.

Species

Species Piptatherum micranthum (Trin. & Rupr.) Barkworth

Genus Piptochaetium J. Presl

Species Piptochaetium pringlei (Beal) Parodi

Genus Pleuropogon R. Br.

Species Pleuropogon refractus (A. Gray) Benth. ex Vasey

Species Pleuropogon sabinei R. Br.

Genus Poa L.

Species Poa abbreviata R. Br.

subspecies Poa abbreviata R. Br. ssp. abbreviata

subspecies Poa abbreviata R. Br. ssp. pattersonii (Vasey) Á. Löve, D. Löve & B. M. Kapoor

Species Poa agassizensis B. Boivin & D. Löve

Species Poa alpigena Lindm.

variety Poa alpigena Lindm. var. colpodea (Th. Fr.) Schol.

form Poa alpigena Lindm. forma vivipara Roshev.

Species Poa alpina L.

variety Poa alpina L. var. alpina

form Poa alpina L. forma vivipara (L.) B. Boivin

Species Poa alsodes A. Gray

Species Poa ammophila A. E. Porsild

Species Poa annua L.

Species Poa arctica R. Br.

subspecies Poa arctica R. Br. ssp. arctica

subspecies Poa arctica R. Br. ssp. caespitans Simmons ex Nannf.

subspecies Poa arctica R. Br. ssp. grayana (Vasey) Á. Löve, D. Löve & B. M. Kapoor

subspecies Poa arctica R. Br. ssp. longiculmis Hultén

Species Poa arida Vasey

Species Poa barguzinensis Popov

Species Poa bigelovii Vasey & Scribn.

Species Poa brachyanthera Hultén

Species Poa brintnellii Raup

Species Poa bryophila Trin.

Species Poa buckleyana Nash

Species Poa bulbosa L.

subspecies Poa bulbosa L. ssp. vivipara (Koeler) Arcang.

Species Poa caesia Sm.

Species Poa canbyi (Scribn.) Piper

Species Poa chaixii Vill.

Species Poa compressa L.

Species Poa concinna R. Br.

Species Poa curtifolia Scribn.

Species Poa eminens J. Presl

Species Poa epilis Scribn.

Species Poa fendleriana (Steud.) Vasey

Species Poa fernaldiana Nannf.

Species Poa glauca Vahl

subspecies Poa glauca Vahl ssp. glauca

variety Poa glauca Vahl var. rupicola (Nash) B. Boivin

Species Poa grayana Vasey

Species Poa hartzii Gand.

Species Poa iberica Fisch. & C. A. Mey.

Species Poa incurva Scribn. & T. A. Williams

Species Poa interior Rydb.

Species Poa irrigata Lindm. (nom. illeg.)

Species Poa juncifolia Scribn.

Species Poa labradorica Steud.

Species Poa lanata Scribn. & Merr.

Species Poa laxa Haenke

Species Poa laxiflora Buckley

Species Poa leibergii Scribn.

Species Poa leptocoma Trin.

Species Poa longiligula Scribn. & T. A. Williams

Species Poa lucida Vasey

Species Poa macrantha Vasey

Species Poa macrocalyx Trautv. & C. A. Mey.

Species Poa macroclada Rydb.

Species Poa malacantha Kom.

Species Poa marcida Hitchc.

Species Poa nemoralis L.

variety Poa nemoralis L. var. interior (Rydb.) Butters & Abbe

variety Poa nemoralis L. var. nemoralis

Species Poa nervosa (Hook.) Vasey

variety Poa nervosa (Hook.) Vasey var. wheeleri (Vasey) C. L. Hitchc.

Species Poa nevadensis Vasey ex Scribn.

Species Poa palustris L.

Species Poa pattersonii Vasey

Species Poa paucispicula Scribn. & Merr.

Species Poa pilosa L.

Species Poa porsildii Gjaerev.

Species Poa pratensis L.

subspecies Poa pratensis L. ssp. alpigena (Lindm.) Hiitonen

subspecies Poa pratensis L. ssp. irrigata (Lindm.) H. Lindb.

variety Poa pratensis L. var. angustifolia (L.) Sm.

variety Poa pratensis L. var. pratensis

Species Poa pringlei Scribn.

Species Poa pruinosa Korotky

Species Poa pseudoabbreviata Roshev.

Species Poa reflexa Vasey & Scribn.

Species Poa relaxa Ovcz.

Species Poa rupicola Nash

Species Poa saltuensis Fernald & Wiegand

Species Poa sandbergii Vasey

Species Poa scabrella (Thurb.) Benth. ex Vasey

Species Poa secunda J. Presl

subspecies Poa secunda J. Presl ssp. juncifolia (Scribn.) Soreng

subspecies Poa secunda J. Presl ssp. secunda

variety Poa secunda J. Presl var. elongata (Vasey) Dorn

variety Poa secunda J. Presl var. incurva (Scribn. & T. A. Williams) Beetle

variety Poa secunda J. Presl var. secunda

Species Poa sublanata Reverd.

Species Poa sylvestris A. Gray

Species Poa trivialis L.

Species Poa wheeleri Vasey

Species Poa williamsii Nash

Species Poa × tolmatschewii Roshev.

Species Poa cusickii Vasey

subspecies Poa cusickii Vasey ssp. epilis (Scribn.) W. A. Weber

subspecies Poa cusickii Vasey ssp. pallida Soreng

variety Poa cusickii Vasey var. cusickii

variety Poa cusickii Vasey var. epilis (Scribn.) C. L. Hitchc.

Species Poa douglasii Nees

subspecies Poa douglasii Nees ssp. macrantha (Vasey) D. D. Keck

Species Poa hispidula Vasey

variety Poa hispidula Vasey var. vivipara Hultén

Genus Polypogon Desf.

Species Polypogon demissus Steud.

Species Polypogon monspeliensis (L.) Desf.

Species Polypogon semiverticillatus (Forssk.) Hyl.

Genus Psathyrostachys Nevski

Species Psathyrostachys juncea (Fisch.) Nevski

Genus Pseudoroegneria (Nevski) Á. Löve

Species Pseudoroegneria spicata (Pursh) Á. Löve

subspecies Pseudoroegneria spicata (Pursh) Á. Löve ssp. inermis (Scribn. & J. G. Sm.) Á. Löve

form Pseudoroegneria spicata (Pursh) Á. Löve forma inermis (Scribn. & J. G. Sm.) Barkworth

form Pseudoroegneria spicata (Pursh) Á. Löve forma spicata

Genus Pseudosasa Makino ex Nakai

Species Pseudosasa japonica (Siebold & Zucc. ex Steud.) Makino ex Nakai

Genus Ptilagrostis Griseb.

Species Ptilagrostis mongholica (Turcz. ex Trin.) Griseb.

Genus Puccinellia Parl.

Species Puccinellia agrostidea T. J. Sørensen

Species Puccinellia andersonii Swallen

Species Puccinellia angustata (R. Br.) E. L. Rand & Redfield

Species Puccinellia arctica (Hook.) Fernald & Weath.

Species Puccinellia borealis Swallen

Species Puccinellia bruggemannii T. J. Sørensen

Species Puccinellia contracta (Lange) T. J. Sørensen

Species Puccinellia cusickii Weath.

Species Puccinellia deschampsioides T. J. Sørensen

Species Puccinellia distans (Jacq.) Parl.

subspecies Puccinellia distans (Jacq.) Parl. ssp. distans

Species Puccinellia grandis Swallen

Species Puccinellia hauptiana (Trin. ex V. I. Krecz.) Kitag.

Species Puccinellia langeana (Berlin) T. J. Sørensen

Species Puccinellia laurentiana Fernald & Weath.

Species Puccinellia lucida Fernald & Weath.

Species Puccinellia macra Fernald & Weath.

Species Puccinellia maritima (Huds.) Parl.

Species Puccinellia nuttalliana (Schult.) Hitchc.

Species Puccinellia phryganodes (Trin.) Scribn. & Merr.

subspecies Puccinellia phryganodes (Trin.) Scribn. & Merr. subsp. neoarctica (Á. Löve & D. Löve) Elven

Species Puccinellia pumila (Vasey) Hitchc.

Species Puccinellia vaginata (Lange) Fernald & Weath.

variety Puccinellia vaginata (Lange) Fernald & Weath. var. paradoxa T. J. Sørensen

Species Puccinellia vahliana (Liebm.) Scribn. & Merr.

Genus Rhynchelytrum Nees

Species Rhynchelytrum repens (Willd.) C. E. Hubb.

Genus Roegneria K. Koch

Species Roegneria borealis (Turcz.) Nevski

Species Roegneria canina (L.) Nevski

Species Roegneria fibrosa (Schrenk) Nevski

Species Roegneria jacutensis (Drobow) Nevski

Species Roegneria mutabilis (Drobow) Hyl.

Genus Rytidosperma Steud.

Species Rytidosperma penicillatum (Labill.) Connor & Edgar

Genus Sacciolepis Nash

Species Sacciolepis striata (L.) Nash

Genus Schedonnardus Steud.

Species Schedonnardus paniculatus (Nutt.) Branner & Coville

Genus Schedonorus P. Beauv.

Species Schedonorus arundinaceus (Schreb.) Dumort.

Species Schedonorus pratensis (Huds.) P. Beauv.

Genus Schismus P. Beauv.

Species Schismus barbatus (L.) Thell.

Genus Schizachne Hack.

Species Schizachne purpurascens (Torr.) Swallen

subspecies Schizachne purpurascens (Torr.) Swallen ssp. purpurascens

form Schizachne purpurascens (Torr.) Swallen forma albicans (Fern.) Fern.

Genus Schizachyrium Nees

Species Schizachyrium scoparium (Michx.) Nash

variety Schizachyrium scoparium (Michx.) Nash var. scoparium

Genus Sclerochloa P. Beauv.

Species Sclerochloa dura (L.) P. Beauv.

Genus Scolochloa Link

Species Scolochloa festucacea (Willd.) Link

Genus Secale L.

Species Secale cereale L.

Genus Sesleria Scop.

Species Sesleria caerulea (L.) Ard.

Genus Setaria P. Beauv.

Species Setaria faberi R. A. W. Herrm.

Species Setaria geniculata P. Beauv.

Species Setaria glauca (L.) P. Beauv.

Species Setaria grisebachii E. Fourn.

Species Setaria italica (L.) P. Beauv.

Species Setaria leucopila (Scribn. & Merr.) K. Schum.

Species Setaria lutescens (Weigel ex Stuntz) F. T. Hubb.

Species Setaria macrostachya Kunth

Species Setaria pumila (Poir.) Roem. & Schult.

Species Setaria verticillata (L.) P. Beauv.

Species Setaria viridis (L.) P. Beauv.

Genus Sorghastrum Nash

Species Sorghastrum elliottii (C. Mohr) Nash

Species Sorghastrum nutans (L.) Nash

Genus Sorghum Moench

Species Sorghum bicolor (L.) Moench

Species Sorghum halepense (L.) Pers.

Genus Spartina Schreb.

Species Spartina alterniflora Loisel.

Species Spartina gracilis Trin.

Species Spartina patens (Aiton) Muhl.

Genus Sphenopholis Scribn.

Species Sphenopholis intermedia (Rydb.) Rydb.

Species Sphenopholis obtusata (Michx.) Scribn.

variety Sphenopholis obtusata (Michx.) Scribn. var. lobata (Trin.) Scribn. ex B. L. Rob.

Genus Sporobolus R. Br.

Species Sporobolus asper (P. Beauv.) Kunth

Species Sporobolus cryptandrus (Torr.) A. Gray

Species Sporobolus heterolepis (A. Gray) A. Gray

Species Sporobolus indicus (L.) R. Br.

Species Sporobolus interruptus Vasey

Species Sporobolus neglectus Nash

Species Sporobolus poiretii (Roem. & Schult.) Hitchc.

Species Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood

Species Sporobolus wrightii Munro ex Scribn.

Species Sporobolus airoides (Torr.) Torr.

variety Sporobolus airoides (Torr.) Torr. var. airoides

Genus Stenotaphrum Trin.

Species Stenotaphrum dimidiatum (L.) Brongn.

Genus Stipa L.

Species Stipa columbiana Macoun

Species Stipa columbiana Macoun × Stipa richardsonii Link

Species Stipa comata Trin. & Rupr.

variety Stipa comata Trin. & Rupr. var. comata

variety Stipa comata Trin. & Rupr. var. intermedia Scribn. & Tweedy

Species Stipa curtiseta (Hitchc.) Barkworth

Species Stipa gallica Čelak.

Species Stipa joannis Čelak.

Species Stipa lemmonii (Vasey) Scribn.

Species Stipa lettermanii Vasey

Species Stipa mongholica Turcz. ex Trin.

Species Stipa richardsonii Link

Species Stipa thurberiana Piper

Species Stipa viridula Trin.

Species Stipa coronata Thurb.

subspecies Stipa coronata Thurb. ssp. parishii (Vasey) Hitchc.

Species Stipa nelsonii Scribn.

subspecies Stipa nelsonii Scribn. ssp. dorei Barkworth & J. Maze

variety Stipa nelsonii Scribn. var. dorei (Barkworth & J. Maze) Dorn

variety Stipa nelsonii Scribn. var. nelsonii Barneby

Species Stipa occidentalis Thurb. ex S. Wats.

variety Stipa occidentalis Thurb. var. dorei Bark. & Maze

Species Stipa spartea Trin.

variety Stipa spartea Trin. var. curtiseta Hitchc.

Genus Thinopyrum Á. Löve

Species Thinopyrum intermedium (Host) Barkworth & D. R. Dewey

subspecies Thinopyrum intermedium (Host) Barkworth & D. R. Dewey ssp. barbulatum (Schur) Barkworth & D. R. Dewey

subspecies Thinopyrum intermedium (Host) Barkworth & D. R. Dewey ssp. intermedium

variety Thinopyrum intermedium (Host) Barkworth & D. R. Dewey var. intermedium

Species Thinopyrum ponticum (Podpěra) Barkworth & D. R. Dewey

Genus Torreyochloa G. L. Church

Species Torreyochloa pallida (Torr.) G. L. Church

variety Torreyochloa pallida (Torr.) G. L. Church var. fernaldii (A. S. Hitchc.) Dore

Genus Tricholaena Schrad. ex Schult. & Schult. f.

Species Tricholaena rosea Nees

Genus Tridens Roem. & Schult.

Species Tridens albescens (Vasey) Wooton & Standl.

Genus Triodia R. Br.

Species Triodia elongata (Buckley) Scribn.

Species Triodia flava (L.) Smyth

Genus Triplasis P. Beauv.

Species Triplasis purpurea (Walter) Chapm.

Genus Trisetum Pers.

Species Trisetum altaicum Roshev.

Species Trisetum melicoides (Michx.) Scribn.

Species Trisetum sibiricum Rupr.

Species Trisetum spicatum (L.) K. Richt.

subspecies Trisetum spicatum (L.) K. Richt. ssp. majus (Vasey ex Rydb.) Hultén

subspecies Trisetum spicatum (L.) K. Richt. ssp. molle (Kunth) Hultén

subspecies Trisetum spicatum (L.) K. Richt. ssp. molle (Kunth) Piper

subspecies Trisetum spicatum (L.) K. Richt. ssp. molle (Michx.) Hultén

subspecies Trisetum spicatum (L.) K. Richt. ssp. spicatum

variety Trisetum spicatum (L.) K. Richt. var. maidenii (Gand.) Fern.

variety Trisetum spicatum (L.) K. Richt. var. molle (Kunth) Beal

variety Trisetum spicatum (L.) K. Richt. var. spicatum

Species Trisetum subalpestre Neuman

Species Trisetum subspicatum (L.) P. Beauv.

Genus Triticum L.

Species Triticum aestivum L.

Species Triticum turgidum L.

Genus Uniola L.

Species Uniola latifolia Michx.

Species Uniola sessiliflora Poir.

Genus Urochloa P. Beauv.

Species Urochloa arizonica (Scribn. & Merr.) Morrone & Zuloaga

Genus Vahlodea Fr.

Species Vahlodea atropurpurea (Wahlenb.) Fr. ex Hartm.

subspecies Vahlodea atropurpurea (Wahlenb.) Fr. ex Hartm. ssp. latifolia (Hook.) A. E. Porsild

Genus Vulpia C. C. Gmel.

Species Vulpia bromoides (L.) S. F. Gray

Species Vulpia microstachys (Nutt.) Munro

Species Vulpia myuros (L.) C. C. Gmel.

Species Vulpia octoflora (Walter) Rydb.

variety Vulpia octoflora (Walter) Rydb. var. tenella (Willd.) Fern.

Genus Zea L.

Species Zea mays L.

subspecies Zea mays L. ssp. mexicana (Schrad.) Iltis

Genus Zizania L.

Species Zizania aquatica L.

variety Zizania aquatica L. var. brevis Fassett

Species Zizania latifolia (Griseb.) Turcz. ex Stapf

Species Zizania palustris L.

variety Zizania palustris L. var. palustris

Genus Zuloagaea Bess

Species Zuloagaea bulbosa (Kunth) Bess

Genus ×Agroelymus A. Camus

Species ×Agroelymus adamsii J. Rousseau

Species ×Agroelymus bowdenii B. Boivin

Species ×Agroelymus hirtiflorus (Hitchc.) Bowden

Species ×Agroelymus mossii Lepage

Species ×Agroelymus ontariensis Lepage

Species ×Agroelymus turneri Lepage

Genus ×Agrohordeum A. Camus

Species ×Agrohordeum macounii (Vasey) Lepage

Genus ×Elyhordeum Mansf. ex Tsitsin & K. A. Petrova

Species ×Elyhordeum macounii (Vasey) Barkworth & D. R. Dewey

Genus ×Elyleymus B. R. Baum

Species ×Elyleymus turneri (Lepage) Barkworth & D. R. Dewey

Family Restionaceae

Genus Restio Rottb.

Species Restio complanatus R. Br.

Species Restio stenocoleus L. A. S. Johnson & O. D. Evans

Genus Empodisma L. A. S. Johnson & D. F. Cutler

Species Empodisma minus (Hook. f.) Johnson et. Cutler

Family Typhaceae

Genus Sparganium L.

Species Sparganium americanum Nutt.

Species Sparganium angustifolium Michx.

Species Sparganium emersum Rehmann

variety Sparganium emersum Rehmann var. emersum

Species Sparganium eurycarpum Engelm.

Species Sparganium friesii Beurl.

Species Sparganium minimum (Hartm.) Fr.

Species Sparganium natans L.

Species Sparganium simplex Huds.

Genus Typha L.

Species Typha angustifolia L.

Species Typha domingensis Pers.

Species Typha latifolia L.

Species Typha laxmanni Lepech.

Species Typha minima Funck ex Hoppe

Species Typha × glauca Godr.

Family Xyridaceae

Genus Xyris L.

Species Xyris montana H. Ries

Species Xyris operculata Labill.

Species Xyris ustulata L. A. Nilsson

Order Zingiberales

Family Cannaceae

Genus Canna L.

Species Canna bidentata Bertol.

Species Canna edulis Ker Gawl.

Family Costaceae

Genus Costus L.

Family Marantaceae

Genus Maranta L.

Species Maranta leuconeura E. Morren

Family Zingiberaceae

Genus Zingiber Mill.

Species Zingiber zerumbet (L.) Sm.

Division Gymnosperms

Order Araucariales

Family Araucariaceae

Genus Agathis Salisb.

Species Agathis australis (D. Don) Loudon

Genus Araucaria Juss.

Species Araucaria angustifolia (Bertol.) Kuntze

Species Araucaria araucana (Molina) C. Koch

Species Araucaria bidwillii Hook.

Species Araucaria cunninghamii Sweet

Species Araucaria excelsa (Lamb.) R. Br.

Species Araucaria rulei F. Muell.

Family Podocarpaceae

Genus Dacrydium Lamb.

Species Dacrydium bidwillii Hook. f. ex Kirk

Species Dacrydium cupressinum Sol. ex Forst. f.

Species Dacrydium franklinii Hook. f.

Genus Decussocarpus de Laub.

Species Decussocarpus falcatus (Thunb.) de Laubenf.

Genus Microstrobos J. Garden & L. A. S. Johnson

Species Microstrobos niphophilus J. Garden & L. A. S. Johnson

Genus Phyllocladus Rich. ex Mirb.

Species Phyllocladus alpinus Hook. f.

Species Phyllocladus aspleniifolius (Labill.) Hook. f.

Genus Podocarpus L'Hér. ex Pers.

Species Podocarpus chinensis (Roxb.) Wall. ex J. Forbes

Species Podocarpus dacrydioides A. Rich.

Species Podocarpus elatus R. Br. ex Endl.

Species Podocarpus falcatus (Thunb.) R. Br. ex Mirb.

Species Podocarpus mannii Hook.

Species Podocarpus nagi (Thunb.) Makino

Species Podocarpus nivalis Hook.

Species Podocarpus totara G. Benn. ex D. Don

Genus Saxegothaea Lindl.

Species Saxegothaea conspicua Lindl.

Order Cupressales

Family Cupressaceae

Genus Athrotaxis D. Don

Species Athrotaxis cupressoides D. Don

Species Athrotaxis selaginoides D. Don

Genus Callitris Vent.

Species Callitris rhomboidea R. Br. ex Rich. & A. Rich.

Genus Calocedrus Kurz

Species Calocedrus decurrens (Torr.) Florin

Genus Chamaecyparis Spach

Species Chamaecyparis lawsoniana (A. Murray bis) Parl.

Species Chamaecyparis nootkatensis (D. Don) Spach

Species Chamaecyparis obtusa (Siebold & Zucc.) Endl.

Genus Cryptomeria D. Don

Species Cryptomeria japonica (Thunb. ex L. f.) D. Don

Genus Cunninghamia R. Br. ex A. Rich.

Species Cunninghamia lanceolata (Lambert) Hooker

Genus Cupressus L.

Species Cupressus arizonica Greene

Species Cupressus macnabiana A. Murray bis

Species Cupressus macrocarpa Hartw.

Genus Fitzroya Hook. f. ex Lindl.

Species Fitzroya cupressoides (Molina) I. M. Johnst.

Genus Juniperus L.

Species Juniperus californica Carrière

Species Juniperus communis L.

subspecies Juniperus communis L. ssp. depressa (Pursh) Franco

subspecies Juniperus communis L. ssp. nana (Willd.) Syme

variety Juniperus communis L. var. depressa Pursh

variety Juniperus communis L. var. megistocarpa Fern. & H. St. John

variety Juniperus communis L. var. montana Aiton

variety Juniperus communis L. var. saxatilis Pall.

variety Juniperus communis L. var. stricta Carrière

Species Juniperus horizontalis Moench

Species Juniperus occidentalis Hook.

Species Juniperus osteosperma (Torr.) Little

Species Juniperus pinchotii Sudw.

Species Juniperus polycarpos K. Koch

Species Juniperus sabina L.

Species Juniperus scopulorum Sarg.

Species Juniperus sibirica Burgsd.

Species Juniperus sinensis J. F. Gmel.

Species Juniperus virginiana L.

variety Juniperus virginiana L. var. crebra Fernald & Griscom

variety Juniperus scopulorum Sarg. var. patens Fassett

Genus Libocedrus Endl.

Species Libocedrus bidwillii Hook. f.

Species Libocedrus decurrens Torr.

Species Libocedrus plumosa (D. Don) Sarg.

Genus Metasequoia Hu & W.C. Cheng

Species Metasequoia glyptostroboides Hu & W. C. Cheng

Genus Neocallitropsis Florin

Species Neocallitropsis pancheri (Carrière) de Laub.

Genus Sequoia Endl.

Species Sequoia gigantea (Lindl.) Decne.

Species Sequoia sempervirens (D. Don) Endl.

Genus Sequoiadendron J. Buchholz

Species Sequoiadendron giganteum (Lindl.) J. Buchholz

Genus Taiwania Hayata

Species Taiwania cryptomerioides Hayata

Genus Taxodium Rich.

Species Taxodium distichum (L.) Rich.

Species Taxodium mucronatum Ten.

Genus Tetraclinis Mast.

Species Tetraclinis articulata (Vahl) Mast.

Genus Thuja L.

Species Thuja occidentalis L.

Species Thuja plicata Donn ex D. Don

Genus Thujopsis Siebold & Zucc. ex Endl.

Species Thujopsis dolabrata (Thunb. ex L. f.) Siebold & Zucc.

Genus Widdringtonia Endl.

Species Widdringtonia juniperoides (L.) Endl.

Family Sciadopityaceae

Genus Sciadopitys Siebold & Zucc.

Species Sciadopitys verticillata (Thunb.) Siebold & Zucc.

Family Taxaceae

Genus Cephalotaxus Siebold et Zuccarini ex Endlicher

Species Cephalotaxus harringtonia (Knight ex J. Forbes) K. Koch

Genus Taxus L.

Species Taxus baccata L.

Species Taxus canadensis Marshall

Species Taxus cuspidata Siebold & Zucc.

Genus Torreya Arn.

Species Torreya californica Torr.

Order Cycadales

Family Cycadaceae

Genus Cycas L.

Species Cycas revoluta Thunb.

Family Zamiaceae

Genus Dioon Lindl.

Species Dioon purpusii Rose

Genus Encephalartos Lehm.

Species Encephalartos barteri Carruth. ex Miq.

Genus Macrozamia Miq.

Species Macrozamia communis L. A. S. Johnson

Order Ephedrales

Family Ephedraceae

Genus Ephedra L.

Species Ephedra funerea Coville & C. V. Morton

Species Ephedra nevadensis S. Wats.

Species Ephedra sinica Stapf

Species Ephedra torreyana S. Wats.

Species Ephedra trifurca Torr. ex S. Watson

Species Ephedra viridis Coville

Order Ginkgoales

Family Ginkgoaceae

Genus Ginkgo L.

Species Ginkgo biloba L.

Order Gnetales

Family Gnetaceae

Genus Gnetum L.

Species Gnetum gnemon L.

Order Pinales

Family Pinaceae

Genus Abies Mill.

Species Abies alba Mill.

Species Abies amabilis Douglas ex J. Forbes

Species Abies balsamea (L.) Mill.

subspecies Abies balsamea (L.) Mill. ssp. lasiocarpa (Hook.) B. Boivin

Species Abies bifolia A. Murray bis

Species Abies bracteata (D. Don) Poit.

Species Abies concolor (Gordon & Glend.) Hildebr.

Species Abies grandis (Douglas ex D. Don) Lindl.

Species Abies lasiocarpa (Hook.) Nutt.

Species Abies magnifica A. Murray bis

subspecies Abies magnifica A. Murray bis ssp. shastensis (Lemmon) Silba

Species Abies nobilis (Douglas ex D. Don) Lindl.

Species Abies procera Rehder

Genus Cedrus Trew

Species Cedrus deodara (Roxb.) G. Don

Genus Larix Mill.

Species Larix decidua Mill.

Species Larix gmelinii (Rupr.) Rupr.

Species Larix laricina (Du Roi) K. Koch

Species Larix lyallii Parl.

Species Larix sibirica Ledeb.

Species Larix × czekanowskii Szaf.

Genus Picea A. Dietr.

Species Picea abies (L.) H. Karst.

Species Picea engelmannii Parry ex Engelm.

Species Picea engelmannii Parry ex Engelm. × Picea glauca (Moench) Voss

Species Picea engelmannii Parry ex Engelm. × Picea pungens Engelm.

Species Picea glauca (Moench) Voss

variety Picea glauca (Moench) Voss var. albertiana (S. Br.) Sarg.

Species Picea mariana (Mill.) Britton, Sterns & Poggenb.

Species Picea pungens Engelm.

Species Picea rubens Sarg.

Species Picea sitchensis (Bong.) Carrière

Species Picea albertiana S. Br.

subspecies Picea albertiana S. Br. ssp. albertiana

subspecies Picea albertiana S. Br. ssp. ogilviei Strong & Hills

Genus Pinus L.

Species Pinus aristata Engelm.

Species Pinus attenuata Lemmon

Species Pinus banksiana Lamb.

Species Pinus banksiana Lamb. × Pinus contorta Douglas ex Loudon

Species Pinus banksiana Lamb. × Pinus contorta Douglas ex Loudon var. latifolia Engelm.

Species Pinus cembroides Zucc.

Species Pinus contorta Douglas ex Loudon

variety Pinus contorta Douglas ex Loudon var. bolanderi Lemmon

variety Pinus contorta Douglas ex Loudon var. contorta

variety Pinus contorta Douglas ex Loudon var. latifolia Engelm.

variety Pinus contorta Douglas ex Loudon var. murrayana (Balf.) Engelm.

variety Pinus contorta Douglas ex Loudon var. yukonensis W. L. Strong

Species Pinus coulteri D.Don

Species Pinus divaricata (Aiton) Sudw.

Species Pinus echinata Mill.

Species Pinus edulis Engelm.

Species Pinus jeffreyi Balf.

Species Pinus lambertiana Douglas

Species Pinus longaeva D. K. Bailey

Species Pinus monophylla Torr. & Frém.

Species Pinus muricata D. Don

Species Pinus nigra Arnold

Species Pinus palustris Mill.

Species Pinus ponderosa Douglas ex Lawson & C. Lawson

Species Pinus pungens Lamb.

Species Pinus radiata D. Don

Species Pinus resinosa Aiton

Species Pinus rigida Mill.

Species Pinus sabiniana Douglas ex D. Don

Species Pinus scopulorum (Engelm.) Lemmon

Species Pinus strobus L.

Species Pinus sylvestris L.

Species Pinus taeda L.

Species Pinus torreyana Parry ex Carrière

Species Pinus virginiana Mill.

Genus Pseudotsuga Carriere

Species Pseudotsuga menziesii (Mirb.) Franco

variety Pseudotsuga menziesii (Mirb.) Franco var. glauca (Mayr) Franco

Species Pseudotsuga taxifolia (Lamb.) Britton

Genus Tsuga (Endl.) Carriere

Species Tsuga canadensis (L.) Carrière

Species Tsuga caroliniana Engelm.

Species Tsuga mertensiana (Bong.) Carrière

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