Collection place
- Santa Monica Mountains, Los Angeles County, California74 objects
- CA-Sta-6, Stanislaus County, California71 objects
- Malibu, Santa Monica Mountains, Los Angeles County66 objects
- Point Dume, Malibu, Santa Monica Mountains66 objects
- CA-LAn-173, Point Dume, Santa Monica Mountains63 objects
- Napa County, California52 objects
- San Francisco Bay Area, California52 objects
- Berryessa Valley, Napa County, California50 objects
- CA-SBa-477, Santa Barbara County, California42 objects
- Arizona41 objects
- Southwestern United States41 objects
- San Joaquin County, California37 objects
- Coconino County, Arizona35 objects
- CA-SJo-1, San Joaquin County, California33 objects
- Baja California peninsula, Mexico30 objects
- Baja California, Mexico30 objects
- Mariposa County, California30 objects
- Mexico30 objects
- Northern Mexico30 objects
- Northwest Mexico30 objects