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ALBERTA CFB Suffield National Wildlife Area, Ypres Area; South Saskatchewan River valley, 7 km N of Murphys Horn. South Saskatchewan River valley badland; xeric to subxeric mixed colluvium slope facing 90˚ – E at an angle of 22˚; barrens vegetation of 20-50% SOIL, Agropyron trachycaulum; 5-20% Bouteloua gracilis; 1-5% Gutierrezia sarothrae, Atriplex nuttallii, Stipa comata; <1% Distichilis spicata subsp. stricta, Hymenoxys richardsonii, Comandra pallida, Muhlenbergia cuspidata, Sarcobatus vermiculatus, Campanula rotunifolia, Artemisia frigida; <,1% Stephamomeria runcinata.