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]
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