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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 sajanensis Willd.

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 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 biflora (L.) Schinz & Thell.

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