Synonyms
Bromopsis richardsonii (Link) Holub
Bromus purgans var. longispicatus Hook.
Bromopsis mucroglumis (Wagnon) Holub
Zerna richardsonii (Link) Nevski
Bromus thysanoglottis Soderstr. & Beaman
Bromopsis canadensis subsp. richardsonii (Link) Tzvelev
Bromus mucroglumis Wagnon
Zerna canadensis subsp. richardsonii (Link) Tzvelev
Bromus ciliatus var. richardsonii (Link) Y.C.Jiangn