5a. Arundinella hirta var. hirta
毛秆野古草(原变种) mao gan ye gu cao (yuan bian zhong)
Poa hirta Thunberg in Murray, Syst. Veg., ed. 14, 113. 1784; Arundinella anomala Steudel; A. hirta subsp. anomala (Steudel) Tzvelev; A. kengiana N. X. Zhao; Panicum mand-shuricum Maximowicz; P. mandshuricum var. pekinense Maximowicz; P. williamsii Hance.
Spikelets glabrous, lacking tubercle-based hairs.
Grassy mountain slopes, river banks, roadsides, field margins; 100–1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Sichuan, Taiwan, Yunnan [Japan, Korea, N Myanmar, E Russia, N Vietnam].