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Collection place
- California119
- North America119
- Northern California[remove]119
- The Americas119
- United States119
- Northwestern California110
- Humboldt County, California38
- Del Norte County, California16
- Elk Valley, Del Norte County, California16
- Klamath River, Humboldt County, California15
- Mouth of Salmon River, Del Norte County, California15
- Blocksburg, Humboldt County, California11
- Klamath River below Weitchpec, Humboldt County, California10
- Northeastern California8
- Mad River, Humboldt County, California5
- Maple Creek, Mad River, Humboldt County5
- Bridgeville, Humboldt County, California4
- Shasta County, California4
- Van Duzen River, Humboldt County, California4
- Weitchpec, Humboldt County, California4