EPPO Global Database

• EPPO Code: CYPIR
• Preferred name: Cyperus iria
• Authority: Linnaeus

Central Asia (Turkmenistan, Uzbekistan), Western Asia (Irak, Iran, Afghanistan, Pakistan), Himalayas, India, Sri Lanka, Bangladesh, Indochina, Malesia, China (including Taiwan, Tibet), Japan, Korea, most of Africa (except south), Madagascar, Australia (except Victoria, Tasmania), New Guinea. A major weed in rice crops. Introduced in USA (southern), Mexico, Central America, Caribbean, South America (except eastern Brazil, southern cone)

WSSA list of weeds in North America