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Collection place
- North America390
- The Americas390
- United States390
- California389
- Northern California387
- Northwestern California361
- Humboldt County, California205
- Klamath River, Humboldt County, California147
- Weitchpec, Humboldt County, California92
- near Weitchpec, Klamath River, Humboldt County92
- Klamath River below Weitchpec, Humboldt County, California44
- Del Norte County, California33
- Mad River, Humboldt County, California32
- Maple Creek, Mad River, Humboldt County32
- Elk Valley, Del Norte County, California29
- Mouth of Salmon River, Del Norte County, California24
- Northeastern California20
- Northern Sierras, Northern California11
- Wakhtek, Humboldt County, California10
- Calaveras County, California9