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Adjacent to Spiers Lake National Wildlife Area, about 56 km NNE of Drumheller, 5 km SSE of Byemoor. Lake Basin Backshore Alkali Meadow; alkaline sandy loam subhygric seepage slope [3˚ @ SSW] closed to semiclosed meadow of 5-20% Sonchus arvensis – Hordeum jubatum – Aster ericoides – SOIL (alkali sand) – LITTER; 1-5% Puccinellia nuttalliana – Grindelia squarrosa – Almutaster paucoflorus – Solidago canadensis – Juncus balticus – Carex parryana – Aster borealis – Ranunculus cymbalaria – Carex praegracilis – Elymus trachycaulus var. subsecundus – Calamagrostis stricta; <1% Haplopappus longifolia – Poa interior – Triglochin maritima – Salix petiolaris (seedlings) – Spenopholis obtusata var. major – Dodecatheon pulchellum – Spartina gracilis – Trimorpha lonchophylla – Potentilla anserina – Gentianella amarella.