Distribution: Occurring in easternmost Washington; east to Idaho and Montana.
Habitat: Seasonally wet soils on rock outcrops, wet meadows.
Flowers: May-July
Origin: Native
Conservation Status: Review Group 1 in Washington (WANHP)
[none provided]
PNW Herbaria: Specimen records of Allium columbianum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Allium columbianum checklist entry.
E-Flora BC: Allium columbianum atlas page.
CalPhotos: Allium columbianum photos.
USDA Plants: Allium columbianum information.