Place
- San Mateo County (Calif.)13
- Santa Clara County (Calif.)9
- Alameda County (Calif.)7
- Contra Costa County (Calif.)7
- Marin County (Calif.)7
- Napa County (Calif.)7
- San Francisco Bay Area (Calif.)7
- San Francisco County (Calif.)7
- Solano County (Calif.)7
- Sonoma County (Calif.)7
- Jasper Ridge Biological Preserve (Calif.)2
- Woodside (Calif.)2
- Kenya1
- San Francisco Bay (Calif.)1
- Santa Cruz County (Calif.)1
- Sierra Nevada (Calif. and Nev.)1