Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southern British Columbia to California, east to the Great Plains, also in eastern North America.
Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southern British Columbia to California, east to the Great Plains, also in eastern North America.PNW Herbaria: Specimen records of Poterium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Poterium checklist entry
OregonFlora: Poterium information
E-Flora BC: Poterium atlas page
CalPhotos: Poterium photos