What is "hygroryza"

Hygroryza (watergrass) is a genus of Asian plants in the grass family.

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.

Hygroryza ciliata - Leersia hexandra