Distribution of Corylus cornuta subsp. californica
Click on a square to display records from the Consortium of California Herbaria for that county.
- Siskiyou
- Sierra
- Marin
- Humboldt
- Mariposa
- Del Norte
- Alameda
- Amador
- Shasta
- San Mateo
- Madera
- El Dorado
- Tuolumne
- Calaveras
- Lake
- Monterey
- Plumas
- Contra Costa
- Fresno
- Santa Cruz
- Sonoma
- Trinity
- Tulare
- Santa Clara
- Mendocino
- Napa
- Nevada
- San Francisco
- Butte
- Tehama
- Placer
- San Benito