Distribution: Occurring in the Columbia River Gorge in Washington; southcentral Washington and adjacent Oregon.
Habitat: Basaltic cliff faces, outcropping, and exposed slopes.
Flowers: May-June
Origin: Native
Conservation Status: Review Group 2 in Washington (WANHP)
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PNW Herbaria: Specimen records of Delphinium basalticum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Delphinium basalticum checklist entry.
E-Flora BC: Delphinium basalticum atlas page.
CalPhotos: Delphinium basalticum photos.
USDA Plants: Delphinium basalticum information.