Origin: Native
Conservation Status: Not of concern
[none provided]
 Occasional near the coast in Oregon and California.
   Occasional near the coast in Oregon and California. Occurring in lowlands west of Cascades crest in Washington; also in Mississippi and New York.
   Occurring in lowlands west of Cascades crest in Washington; also in Mississippi and New York. Sparingly introduced in Washington; escaped throughout central and eastern United States and Canada.
   Sparingly introduced in Washington; escaped throughout central and eastern United States and Canada. Occurring east of the Cascades crest in Washington; British Columbia to Washington, east to Idaho and Montana; also occurring in central and northeastern North America.
   Occurring east of the Cascades crest in Washington; British Columbia to Washington, east to Idaho and Montana; also occurring in central and northeastern North America.PNW Herbaria: Specimen records of Berberis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Berberis checklist entry
OregonFlora: Berberis information
E-Flora BC: Berberis atlas page
CalPhotos: Berberis photos