Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
253615
| WA | | Columbia River, lower | 1960 |
17080003
| Lower Columbia-Clatskanie | established |
238844
| WA | | Columbia River, lower | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
238846
| WA | Clark | Columbia River, below the Bonneville Dam at the north end of Government Island. | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
1428198
| WA | Clark | Salmon Creek, approximately 2 miles west (downstream) of I-5 | 2018 |
17080003
| Lower Columbia-Clatskanie | established |
253611
| WA | Clark | Vancouver Lake | 2008 |
17080003
| Lower Columbia-Clatskanie | established |
279522
| WA | Cowlitz | Columbia River, tidal lagoon near Longview. | 1993 |
17080003
| Lower Columbia-Clatskanie | established |
279738
| WA | Cowlitz | Kalama River, ~1.6 miles upstream of confluence with Columbia River. | 1989 |
17080003
| Lower Columbia-Clatskanie | established |
279740
| WA | Cowlitz | Kalama River, ~1.6 miles upstream of confluence with Columbia River. | 1989 |
17080003
| Lower Columbia-Clatskanie | established |
253610
| WA | Cowlitz | Kress Lake, on the Kalama River | 2008 |
17080003
| Lower Columbia-Clatskanie | established |
253607
| WA | Cowlitz | Lake Sacajawea | 2008 |
17080003
| Lower Columbia-Clatskanie | established |