4a. Elymus dahuricus var. dahuricus
披碱草(原变种) pi jian cao (yuan bian zhong)
Clinelymus dahuricus (Turczaninow ex Grisebach) Nevski.
Culms more robust, 80–140 cm tall. Leaf sheath glabrous. Glumes scabrous along veins. First lemma ca. 9 mm; awn 10–20 mm. Fl. and fr. Jun–Aug. 2n = 28, 42*.
Forest glades, scrub, meadows, pebbles, sometimes roadsides and field margins. Hebei, Henan, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Xizang [Bhutan, India, Japan, Kazakhstan, Korea, Kyrgyzstan, Mongolia, Nepal, Russia, Turkmenistan, Uzbekistan; SW Asia].