Distribution of Cirsium arvense
Click on a square to display records from the Consortium of California Herbaria for that county.
- Placer
- Trinity
- Humboldt
- Sacramento
- Plumas
- Modoc
- Sonoma
- Del Norte
- Butte
- Fresno
- Inyo
- Lassen
- Marin
- Mendocino
- Nevada
- Riverside
- San Francisco
- Shasta
- Sierra
- Siskiyou
- Monterey
- Santa Cruz
- Glenn
- Kern
- Mono
- Orange
- Ventura
- Tuolumne
- San Benito
- Alpine
- Tehama
- El Dorado
- Alameda
- San Luis Obispo
- Los Angeles
- Santa Barbara
- Yolo
- Napa