- California13 objects
- North America13 objects
- The Americas13 objects
- United States13 objects
- Southern California11 objects
- Santa Barbara County, California9 objects
- Northern Channel Islands, Santa Barbara County, California7 objects
- Santa Cruz Island, Channel Islands, Southern California7 objects
- Butte County, California2 objects
- Channel Islands, Ventura County, California2 objects
- Feather River/Lower Horvat Creek watershed2 objects
- North Central California2 objects
- Northern California2 objects
- Oroville, Butte County, California2 objects
- San Nicolas Island, Southern Channel Islands, Ventura County2 objects
- Ventura County, California2 objects
- Goleta, Santa Barbara County, California1 objects
- Lompoc Area, Santa Barbara County, California1 objects
- Lompoc, Santa Barbara County, California1 objects