Place
- California, Northern34
- Humboldt County (Calif.)28
- Santa Clara County (Calif.)22
- Contra Costa County (Calif.)19
- San Francisco Bay Area (Calif.)19
- San Mateo County (Calif.)19
- Alameda County (Calif.)18
- Marin County (Calif.)18
- Napa County (Calif.)18
- San Francisco County (Calif.)18
- Solano County (Calif.)18
- Sonoma County (Calif.)18
- San Francisco Bay (Calif.)15
- Sierra Nevada (Calif. and Nev.)15
- Freshwater Creek (Calif.)10
- California9
- Africa6
- Asia6
- Australasia6
- Central America6