Distribution of Alnus rubra
Click on a square to display records from the Consortium of California Herbaria for that county.
- Del Norte
- Humboldt
- Alameda
- El Dorado
- Siskiyou
- Marin
- Sonoma
- Mendocino
- Monterey
- San Mateo
- Santa Cruz
- Santa Clara
- Shasta
- Inyo
- Plumas
- Los Angeles
- Contra Costa
- Trinity
- Santa Barbara