Distribution of Ambrosia artemisiifolia
Click on a square to display records from the Consortium of California Herbaria for that county.
- Placer
- Amador
- Del Norte
- El Dorado
- Humboldt
- Los Angeles
- Nevada
- Riverside
- San Francisco
- San Joaquin
- Butte
- Tehama
- Lassen
- Siskiyou
- Orange
- Plumas
- Yolo
- San Bernardino
- Shasta
- Santa Barbara
- San Luis Obispo
- Mendocino
- Ventura
- San Diego