Piptatheropsis is a genus of plants in the grass family.Romaschenko, K., P. M. Peterson, R. J. Soreng, O. Futorna & A. Susanna. 2011. Phylogenetics of Piptatherum s.l. (Poaceae: Stipeae): evidence for a new genus, Piptatheropsis, and resurrection of Patis. Taxon 60(6): 1703–1716Biota of North America Program 2013 county distribution maps
Piptatheropsis is a newly recognized genus, named in 2011, comprising species formerly considered members of Milium, Oryzopsis, Piptatherum, Stipa, and similar genera.
SpeciesKew World Checklist of Selected Plant Families Piptatheropsis canadensis (Poir.) Romasch., P.M.Peterson & Soreng - Canada (BC to LAB), northeastern United States (ME NH NY MI WI MN WV) Piptatheropsis exigua (Thurb.) Romasch., P.M.Peterson & Soreng - western North America (ABT BC CO ID MT OR WA WY CAL NV UT) Piptatheropsis micrantha (Trin. & Rupr.) Romasch., P.M.Peterson & Soreng - western North America (ABT BC MAN SAS CO ID MT WY ND NE OK SD AZ CAL NV UT NM TX) Piptatheropsis pungens (Torr. ex Spreng.) Romasch., P.M.Peterson & Soreng - Canada (BC to LAB plus NWT + YUK), United States (Northeast, Great Lakes, Black Hills of SD + WY, Rocky Mountains of CO + NM) Piptatheropsis shoshoneana (Curto & Douglass M.Hend.) Romasch., P.M.Peterson & Soreng - Idaho, Nevada
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