Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
40696
| OR | | Columbia River | 1979 |
17080003
| Lower Columbia-Clatskanie | established |
40612
| OR | | Columbia River | 1980 |
17080003
| Lower Columbia-Clatskanie | established |
40398
| OR | | Columbia River, lower | 1980 |
17080003
| Lower Columbia-Clatskanie | established |
40400
| OR | | Columbia River, lower | 1980 |
17080001
| Lower Columbia-Sandy | established |
40874
| OR | Columbia | Columbia River, mainstem | 2001 |
17080003
| Lower Columbia-Clatskanie | established |
295922
| OR | Columbia | Columbia River, mainstem | 2009 |
17080003
| Lower Columbia-Clatskanie | established |
297312
| OR | Columbia | Columbia River, mainstem | 2009 |
17080003
| Lower Columbia-Clatskanie | established |
295925
| OR | Columbia | Columbia River, mainstem | 2013 |
17080003
| Lower Columbia-Clatskanie | established |
297315
| OR | Columbia | Columbia River, mainstem | 2013 |
17080003
| Lower Columbia-Clatskanie | established |
1406548
| OR | Multnomah | Columbia River at Borbett | 1967 |
17080001
| Lower Columbia-Sandy | unknown |
41756
| OR | Multnomah | Columbia River, mainstem | 2001 |
17080003
| Lower Columbia-Clatskanie | established |
45825
| WA | | Columbia River, lower | 1980 |
17080003
| Lower Columbia-Clatskanie | established |
45843
| WA | | Columbia River, lower | 1980 |
17080003
| Lower Columbia-Clatskanie | established |
239943
| WA | Clark | Columbia River | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
239973
| WA | Cowlitz | Columbia River, in Cowlitz county | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
46147
| WA | Cowlitz | Lake Sacajawea | 1992 |
17080003
| Lower Columbia-Clatskanie | established |
46158
| WA | Cowlitz | Silver Lake | 1992 |
17080005
| Lower Cowlitz | established |