Place
- Contra Costa County (Calif.)5
- Napa County (Calif.)5
- Paris (France)5
- Riverside County (Calif.)5
- San Francisco Bay Area (Calif.)5
- Woodside (Calif.)5
- Calaveras County (Calif.)4
- Humboldt County (Calif.)4
- San Francisco County (Calif.)4
- United States Virgin Islands4
- Jasper Ridge Biological Preserve (Calif.)3
- Cupertino (Calif.)2
- Hayward (Calif.)2
- Menlo Park (Calif.)2
- Nevada County (Calif.)2
- North America2
- Placer County (Calif.)2
- San Joaquin County (Calif.)2
- Stanford (Calif.)2
- Tehama County (Calif.)2