Origin: Native
Conservation Status: Not of concern
[none provided]
 Occurring in the east end of the Columbia River Gorge in Washington; Washington to Oregon.
   Occurring in the east end of the Columbia River Gorge in Washington; Washington to Oregon.PNW Herbaria: Specimen records of Columbiadoria in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Columbiadoria checklist entry
OregonFlora: Columbiadoria information
E-Flora BC: Columbiadoria atlas page
CalPhotos: Columbiadoria photos