Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
45950
| WA | Douglas | Columbia River below Chief Joseph Dam | 1979 |
17020005
| Chief Joseph | established |
45949
| WA | Douglas | Columbia River below Grand Coulee Dam | 1979 |
17020005
| Chief Joseph | established |
45946
| WA | Douglas-Okanognan | Columbia River below Grand Coulee Dam | 1979 |
17020005
| Chief Joseph | established |
45951
| WA | Okanogan | Columbia River below Chief Joseph Dam | 1979 |
17020005
| Chief Joseph | established |