- California81 objects
- North America✖Remove constraint Collection place: North America81 objects
- The Americas81 objects
- United States81 objects
- Northern California58 objects
- Northwestern California54 objects
- Humboldt County, California34 objects
- Klamath River, Humboldt County, California30 objects
- Weitchpec, Humboldt County, California26 objects
- near Weitchpec, Klamath River, Humboldt County26 objects
- Mendocino County, California15 objects
- Round Valley, Mendocino County, California14 objects
- Central California13 objects
- Kern County, California13 objects
- South Central California13 objects
- Southern California10 objects
- Kern River Valley, Kern County, California6 objects
- South Fork of Kern River, Kern County, California6 objects
- Santa Barbara County, California5 objects
- Kelso Valley, Kern County, California3 objects