Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.PNW Herbaria: Specimen records of Arrhenatherum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Arrhenatherum checklist entry
OregonFlora: Arrhenatherum information
E-Flora BC: Arrhenatherum atlas page
CalPhotos: Arrhenatherum photos