Synonyms
Calamagrostis urelytra Hack.
Calamagrostis urelytra var. parvigluma Takeda
Calamagrostis purpurascens var. macrantha (Takeda) Fernald
Avena sesquiflora (Trin.) Griseb.
Calamagrostis urelytra var. pumila Takeda
Calamagrostis purpurascens var. parvigluma (Takeda) Miyabe & Kudô
Calamagrostis sesquiflora subsp. urelytra (Hack.) Prob.
Calamagrostis purpurascens subsp. sesquiflora (Trin.) Vorosch.
Calamagrostis purpurascens var. pumila (Takeda) Miyabe & Kudô
Trisetum sesquiflorum Trin.
Calamagrostis urelytra var. macrantha Takeda
Calamagrostis purpurascens subsp. tasuensis Calder & Roy L.Taylor
Deyeuxia purpurascens var. macrantha (Takeda) Ohwi
Calamagrostis purpurascens var. tasuensis (Calder & Roy L.Taylor) B.Boivin