科名：禾本科 Gramineae

属名：稗属 Echinochloa

《中国植物志》第10(1)卷253页
  2d. 细叶旱稗（变种）（台湾的禾草）
  var. praticola Ohwi in Acta Phytotax. et Geobot. 11: 37. 1942; 台湾的禾草 77. 105. 1975; 台湾植物志 5: 554. 1978.——Panicum crusgalli var. submuticum auct. non Mey. : Hack. in Bull. Herb. Boiss. 7: 644. 1899. ——Echinochloa crusgalli subsp. submuticum Honda in Bot. Mag. Tokyo 37: 121. 1923.
  与原变种主要区别为植株高20-70厘米，基部带紫色；叶片宽4-10毫米；小穗长2.5-3毫米，无芒或具极短芒，脉上具疣基毛或刺毛。
  产河北、安徽、江苏、湖北、台湾、贵州、广西及云南；多生于路边草丛中。日本琉球也有分布。模式标本采自日本。

《Flora of China》 Vol. 22 (2006)
Echinochloa crusgalli var. praticola  Ohwi
细叶旱稗   xi ye han bai
Echinochloa crusgalli subsp. submutica (Meyer) Honda; Panicum crusgalli var. submuticum Meyer.
Culms usually purplish at base, 20–70 cm tall. Leaf blades 0.4–1 cm broad. Racemes simple, short, loose. Spikelets purplish, 2.5–3 mm, hispid along veins or with tubercle-based setae; lower lemma awnless.
Roadsides and other disturbed places. Anhui, Guangxi, Guizhou, Hebei, Hubei, Jiangsu, Taiwan, Yunnan [Japan].
This variety grows in rather drier conditions than the other varieties.