Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
239962
| WA | Columbia | Snake River, in Columbia County | 2005 |
17060110
| Lower Snake | established |
240837
| WA | Franklin | Dalton Lake (Reservoir) | 2005 |
17060110
| Lower Snake | established |
240258
| WA | Franklin | Emma Lake | 2005 |
17060110
| Lower Snake | established |
240887
| WA | Franklin | Snake River in Walla Walla County | 2005 |
17060110
| Lower Snake | established |
240268
| WA | Franklin | Snake River, in Franklin County | 2005 |
17060110
| Lower Snake | established |
272966
| WA | Franklin-Walla Walla | Lake Sacajawea (Ice Harbor Reservoir), Snake River | 2006 |
17060110
| Lower Snake | established |
244714
| WA | Walla Walla | Snake River, Ice Harbor Dam | 1977 |
17060110
| Lower Snake | established |
1613661
| WA | Walla Walla | Snake River, somewhere between two fixed points in 2-11 ft of water. Start of transect are the coordinates used for site location, end of transect is 46.57211667, -118.4964167 | 2019 |
17060110
| Lower Snake | established |