Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; southern British Columbia to Northern California, east to northern Idaho and western Montana.
Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to western Montana.
Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.PNW Herbaria: Specimen records of Mahonia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Mahonia checklist entry
OregonFlora: Mahonia information
E-Flora BC: Mahonia atlas page
CalPhotos: Mahonia photos