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Oryzopsis
Genus of grasses From Wikipedia, the free encyclopedia
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Oryzopsis is a genus of Chinese and North American plants in the grass family.[2][3][4] Species from this genus are commonly called ricegrass.[5]
The name alludes to the resemblance between this genus and true rice, Oryza.
- Oryzopsis asperifolia Michx. – roughleaf ricegrass [7] - Canada (all 10 provinces plus Yukon + Northwest Territories), United States (Northeast, Great Lakes, Black Hills, Rocky Mountains)[8]
- Oryzopsis chinensis Hitchc. - China
- Oryzopsis contracta (B.L.Johnson) Schltr. - Colorado, Wyoming, Montana
- Oryzopsis exigua Thurb. - Wyoming
- Oryzopsis hendersonii Vasey - Oregon, Idaho, Washington state
- Oryzopsis holciformis (M.Bieb.) Hack. (syn. Piptatherum holciforme (M.Bieb.) Roem. & Schult.) - Israel
- Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper - western North America from British Columbia + Alberta to California + New Mexico
- Oryzopsis pungens (Torr.) Hitchc. - Canada, northern United States
- Oryzopsis swallenii C.L.Hitchc.& Spellenb. - Idaho, Wyoming
- formerly included[1]
numerous species once regarded as members of Oryzopsis but now considered better suited to other genera: Achnatherum Achnella Anemanthele Eriocoma Nassella Piptatherum Piptatheropsis Piptochaetium Ptilagrostis Stipa Stiporyzopsis
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References
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