Distribution: Occurring west of the Cascades crest in Washington; Washington to California.
Habitat: Forest edges and thickets at low elevations, often where disturbed, escaping cultivation.
Flowers: April-June
Origin: Introduced from southwestern Oregon and California
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Umbellularia californica in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Umbellularia californica checklist entry
OregonFlora: Umbellularia californica information
E-Flora BC: Umbellularia californica atlas page
CalPhotos: Umbellularia californica photos