Synonyms
Festuca olgae (Regel) Krivot.
Festuca olgae var. deasyi (Rendle) Tzvelev
Colpodium afghanicum Bor
Festuca deasyi Rendle
Leucopoa deasyi (Rendle) L.Liu
Molinia olgae Regel
Festuca sibirica var. deasyi (Rendle) St.-Yves
Festuca olgae subsp. deasyi (Rendle) Tzvelev