Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Forest edge and openings, thickets, and rocky slopes at low to middle elevations.
Flowers: January-March
Origin: Native
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Corylus cornuta ssp. californica in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Corylus cornuta ssp. californica checklist entry
OregonFlora: Corylus cornuta ssp. californica information
E-Flora BC: Corylus cornuta ssp. californica atlas page
CalPhotos: Corylus cornuta ssp. californica photos