Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
40441
| OR | | Columbia River | 1876 |
17080003
| Lower Columbia-Clatskanie | established |
40443
| OR | | Columbia River | 1885 |
17080003
| Lower Columbia-Clatskanie | established |
40442
| OR | | Columbia River | 1886 |
17080003
| Lower Columbia-Clatskanie | established |
40417
| OR | | Columbia River | 1896 |
17080003
| Lower Columbia-Clatskanie | established |
40471
| OR | | Columbia River | 1976 |
17080003
| Lower Columbia-Clatskanie | established |
40445
| OR | | Columbia River | 1979 |
17080003
| Lower Columbia-Clatskanie | established |
40610
| OR | | Columbia River | 1980 |
17080003
| Lower Columbia-Clatskanie | established |
274470
| OR | Columbia | Columbia River (R.M. 54) at Crims Island [~7 miles below Longview, WA] | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
40424
| OR | Columbia | Columbia River at Cowlitz River | 1896 |
17080003
| Lower Columbia-Clatskanie | established |
40426
| OR | Columbia | Columbia River off Cottonwood Island near the mouth of the | 1896 |
17080003
| Lower Columbia-Clatskanie | established |