Wikipedia
Piptatheropsis
Piptatheropsis is a genus of plants in the grass family.
Piptatheropsis is a newly recognized genus, named in 2011, comprising species formerly considered members of Milium, Oryzopsis, Piptatherum, Stipa, and similar genera.
Species- 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