Distribution of Brassica nigra
Click on a square to display records from the Consortium of California Herbaria for that county.
- Yolo
- Los Angeles
- Santa Barbara
- Colusa
- Orange
- San Mateo
- Marin
- Contra Costa
- Riverside
- San Benito
- San Bernardino
- San Diego
- San Joaquin
- Sutter
- Solano
- Siskiyou
- Tuolumne
- Alameda
- Butte
- Mendocino
- Monterey
- San Francisco
- San Luis Obispo
- Santa Clara
- Sonoma
- Ventura
- Kern
- Sacramento
- Plumas
- Fresno
- Glenn
- El Dorado
- Napa
- Stanislaus
- Placer
- Amador
- Tulare
- Humboldt
- Lake
- Inyo
- Santa Cruz
- Merced
- Imperial
- Mariposa