Collection place
- California28 objects
- North America28 objects
- The Americas28 objects
- United States28 objects
- McCloud River, Shasta County, California14 objects
- Northeastern California14 objects
- Northern California14 objects
- Shasta County, California14 objects
- near Baird, Shasta County, California14 objects
- San Francisco Bay Area, California12 objects
- CA-Sha-20, Shasta County, California11 objects
- Lindsey Slough, Solano County, California11 objects
- Solano County, California11 objects
- CA-Sol-2, Solano County, California7 objects
- CA-Sol-2A, Solano County, California3 objects
- CA-SCr-3, Santa Cruz County, California2 objects
- CA-Sha-22, Shasta County, California2 objects
- Central California2 objects
- Central California coast2 objects
- Felton, Santa Cruz County, California2 objects