Hygroryza (watergrass) is a monotyipic genus of Asian flowering plants in the grass family.Nees von Esenbeck, Christian Gottfried Daniel. 1833. Edinburgh New Philosophical Journal 15: 380-381 in LatinGrassbase - The World Online Grass Flora The only known species is Hygroryza aristata, (Asian watergrass) native to China (Fujian, Guangdong, Hainan, Taiwan, Yunnan), Bangladesh, Cambodia, India (Maharashtra, Karnataka, Assam, etc.), Laos, Malaysia, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam.Flora of China Vol. 22 Page 186 水禾 shui he Hygroryza aristata (Retzius) Nees, Edinburgh New Philos. J. 15: 380. 1833
formerly included Hygroryza ciliata - Leersia hexandra
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