EPPO Global Database

• EPPO Code: AGRCR
• Preferred name: Agropyron cristatum
• Authority: (Linnaeus) Gärtner

Mediterranean to Black Sea, Caucasus, Russia, Siberia, Russian Far East, Central Asia, China, Japan, Korea, Mongolia. Introduced in Canada, USA (western and central, also including Alaska), Mexico. There appears to be some confusion in the distribution of the nominate subspecies and subsp. pectinatum (q.v.) in Asia 

WSSA list of weeds in North America