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 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]
Publication: Novon. 12: 326. 2002.
Lesquerella occidentalis (S. Watson) S. Watson ssp. cusickii (M.E. Jones) Maguire & A.H. Holmgren
Lesquerella occidentalis (S. Watson) S. Watson ssp. occidentalis
Lesquerella occidentalis (S. Watson) S. Watson var. cusickii (M.E. Jones) C.L. Hitchc. [HC]
Lesquerella occidentalis (S. Watson) S. Watson var. occidentalis [HC]
PNW Herbaria: Specimen records of Physaria occidentalis ssp. occidentalis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Physaria occidentalis ssp. occidentalis checklist entry
OregonFlora: Physaria occidentalis ssp. occidentalis information
E-Flora BC: Physaria occidentalis ssp. occidentalis atlas page
CalPhotos: Physaria occidentalis ssp. occidentalis photos
