Origin: Introduced
Conservation Status: Not of concern
[none provided]
Known from a few scattered locations in Washington; British Columbia to California, in Montana, east from California to Colorado and Arizona, also across Canadian Great Plains to Great Lakes region and northeastern North America.
Occurring on both sides of the Cascades crest in Washington; British to California, east across North America to the Atlantic Coast.PNW Herbaria: Specimen records of Arctium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Arctium checklist entry
OregonFlora: Arctium information
E-Flora BC: Arctium atlas page
CalPhotos: Arctium photos