42c. Festuca rubra subsp. arctica (Hackel) Govoruchin, Fl. Urala. 127. 1937.
毛稃羊茅 mao fu yang mao
Festuca rubra Linnaeus f. arctica Hackel, Monogr. Festuc. Eur. 140. 1882; F. kirelowii Steudel; F. cryophila V. I. Kreczetowicz & Bobrov; F. rubra subsp. kirelowii (Steudel) Tzvelev; F. rubra subsp. pluriflora (D. M. Chang) N. R. Cui.
Panicle branches hairy. Spikelets with 2–7(–10) florets; lemmas densely pubescent, 5–6.5 mm; awn up to 1.5 mm or awnless. Anthers 2.7–3.7 mm. 2n = 42.
Among shrubs, grassy mountain slopes, valleys, floodlands; 2100–4300 m. Gansu, Hebei, Nei Mongol, Qinghai, Shanxi, Sichuan, Xinjiang, Xizang [Kashmir, Kazakhstan (Tarbagatai Mountains), Kyrgyzstan, Mongolia, Pakistan, Russia, Tajikistan; N Europe, North America].
Festuca rubra subsp. pluriflora is based on a variant from Xinjiang (S Tian Shan) with 8 or more florets in the spikelet and glabrous leaf sheaths.