- California✖Remove constraint Collection place: California61 objects
- North America61 objects
- The Americas61 objects
- United States61 objects
- Northern California42 objects
- Northwestern California30 objects
- San Francisco Bay Area, California9 objects
- San Francisco County, California8 objects
- North Central California7 objects
- Humboldt County, California5 objects
- Northeastern California5 objects
- San Francisco, San Francisco County, California5 objects
- Klamath River, Humboldt County, California4 objects
- Shasta County, California4 objects
- Big Chico Creek watershed, Butte County, California3 objects
- Butte County, California3 objects
- Chico, Butte County, California3 objects
- Klamath River below Weitchpec, Humboldt County, California3 objects
- Mendocino County, California3 objects
- Southern California3 objects