• EPPO Code: AVESA
• Preferred name: Avena sativa
• Authority: Linnaeus

Western Asia. A cultivated cereal and fodder plant, widespread in temperate regions. Introduced in most of the Euromediterranean region in ancient times as a weed of cereal crops, but now declining, and also in Siberia, Russian Far East, Central Asia, India, Indochina, Malesia, China, Japan, Korea, eastern and southern Africa, North America, Central America, Caribbean, South America (western, southern cone),  Australia

WSSA list of weeds in North America