Collection place
- Sonoma County, California17 objects
- Marin County, California14 objects
- San Joaquin County, California14 objects
- Lower Napa Valley, Napa County, California13 objects
- CA-Lak-140, Lake County, California12 objects
- CA-SJo-68, San Joaquin County, California12 objects
- Eastern California12 objects
- Inyo County, California12 objects
- Sacramento County, California11 objects
- Modoc County, California10 objects
- Nevada10 objects
- CA-Iny-313, Inyo County, California9 objects
- CA-Sol-1, Solano County, California9 objects
- CA-Son-369, Sonoma County, California9 objects
- Big Lake, Fall River Valley, Shasta County8 objects
- CA-Mrn-307, Drakes Bay, Marin County8 objects
- CA-Nap-16, Napa Valley, Napa County8 objects
- CA-Sol-3, Solano County, California8 objects
- Drakes Bay, Point Reyes, Marin County8 objects
- Estero de Limantour, Drakes Bay, Marin County8 objects