Collection place
- Rodeo, Contra Costa County, California17 objects
- Sonoma coast, Sonoma County, California17 objects
- Southern Sonoma coast, Sonoma County, California17 objects
- CA-CCo-151, El Sobrante, Contra Costa County16 objects
- CA-Col-2 (Howell's Point), Colusa County, California16 objects
- El Sobrante, Contra Costa County, California16 objects
- Solano County, California16 objects
- Lower Napa Valley, Napa County, California15 objects
- CA-Nap-16, Napa Valley, Napa County14 objects
- CA-SBa-7, Carpinteria, Santa Barbara County14 objects
- CA-Sol-2, Solano County, California14 objects
- Carpinteria, Santa Barbara County, California14 objects
- Central California coast14 objects
- Churchill County, Nevada14 objects
- Lindsey Slough, Solano County, California14 objects
- Monterey County, California14 objects
- Eastern California13 objects
- Inyo County, California13 objects
- CA-SJo-68, San Joaquin County, California12 objects
- Modoc County, California12 objects