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