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Collection place
- California9
- North America9
- The Americas9
- United States9
- Berryessa Valley, Napa County, California7
- CA-Nap-93, Berryessa Valley, Napa County7
- Napa County, California7
- San Francisco Bay Area, California7
- Northern California2
- CA-Sis-262 (Foster site), Bogus Creek, Siskiyou County1
- CA-Yub-5 (Arboga site), Yuba County, California1
- North Central California1
- Northeastern California1
- Siskiyou County, California1
- Yuba County, California1
- near Arboga, Yuba County, California1