Distribution: Occurring east of the Cascades crest in eastern Washington, where known from a historic (1899) population on Mt. Adams. Washington to California, east to Idaho, Utah, and Nevada.
Habitat: Open, rocky slopes at low to moderate elevations.
Flowers: April-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Physaria occidentalis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Physaria occidentalis checklist entry.
OregonFlora: Physaria occidentalis information.
E-Flora BC: Physaria occidentalis atlas page.
CalPhotos: Physaria occidentalis photos.
USDA Plants: Physaria occidentalis information.