Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring west of the Cascades crest along the lower Columbia River in southwestern Washington; southwestern Washington to adjacent northwestern Oregon, otherwise native from the Great Plains to the Atlantic Coast.PNW Herbaria: Specimen records of Boltonia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Boltonia checklist entry
OregonFlora: Boltonia information
E-Flora BC: Boltonia atlas page
CalPhotos: Boltonia photos