Patis obtusa (Stapf ex Oliv.) Romasch., P.M.Peterson & Soreng species accepted

Achnatherum coreanum var. kengii Ohwi variety synonym

Orthoraphium coreanum subsp. kengii (Ohwi) T.Koyama subspecies synonym

Patis racemosa (Sm.) Romasch., P.M.Peterson & Soreng species accepted

Piptatherum racemosum Ricker ex Hitchc. species synonym

Oryzopsis melanocarpa Muhl. species synonym

Orthoraphium coreanum var. kengii (Ohwi) Ohwi variety synonym

Orthoraphium coreanum (Honda) Ohwi species synonym

Milium racemosum Sm. species synonym

Orthoraphium grandifolium (Keng) Keng f. species synonym

Oryzopsis obtusa Stapf ex Oliv. species synonym

Piptatherum nigrum Torr. species synonym

Piptatherum kuoi S.M.Phillips & Z.L.Wu species synonym

Stipa grandifolia Keng species synonym

Achnatherum coreanum (Honda) Ohwi species synonym

Stipa coreana Honda species synonym

Patis coreana (Honda) Ohwi species accepted

Urachne racemosa (Sm.) Trin. species synonym

Urachne melanosperma Link species synonym

Piptatherum racemosum (Sm.) Barkworth species synonym

Oryzopsis racemosa (Sm.) Ricker ex Hitchc. species synonym

Piptatherum obtusum (Stapf ex Oliv.) Roshev. species heterotypic synonym

Patis coreana var. kengii (Ohwi) Ohwi variety synonym

Piptatherum racemosum (Sm.) Eaton species synonym

Piptatherum racemosum Ricker species homotypic synonym

Oryzopsis obtusa Stapf species synonym