水虱草(原变种) shui shi cao (yuan bian zhong)

Fimbristylis miliacea (Linnaeus) Vahl, nom. rej.; Scirpus miliaceus Linnaeus, nom. rej.

Glumes chestnut-brown, 1-1.3 mm. Fl. and fr. May-Oct.

Field margins, open slopes, muddy places near water, grasslands, paddy field margins; 100-2000 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, SE Qinghai, S Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Afghanistan, Bhutan, India, Indonesia, Japan, Korea, Malaysia, Nepal, Pakistan, Papua New Guinea, Philippines, Sri Lanka, Vietnam; Africa, SW Asia, Australia, Central, North, and South America, Indian Ocean islands, Madagascar, Pacific islands].