Collection place
- CA-Lak-90, Lake County, California7 objects
- Lake County, California7 objects
- Santa Barbara County, California7 objects
- Northern Channel Islands, Santa Barbara County, California5 objects
- Santa Rosa Island, Santa Barbara Channel Islands, Southern California5 objects
- Berkeley, Alameda County, California4 objects
- CA-Ala-307, Berkeley, Alameda County4 objects
- West Berkeley, Berkeley, Alameda County4 objects
- CA-Sac-28 (Strawberry Mound), Sacramento, Sacramento County3 objects
- Sacramento, Sacramento County, California3 objects
- Southwestern United States3 objects
- CA-CCo-259, Rodeo, Contra Costa County2 objects
- Channel Islands, Ventura County, California2 objects
- Rodeo, Contra Costa County, California2 objects
- San Nicolas Island, Southern Channel Islands, Ventura County2 objects
- Santa Clara County, California2 objects
- USA-NL-8, Contra Costa County, California2 objects
- Unincorporated western Contra Costa County, California2 objects
- Ventura County, California2 objects
- CA-CCo-227, Lafayette, Contra Costa County1 objects