Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
238783
| WA | Clark | Vancouver Lake | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
160510
| WA | Cowlitz | Columbia River near Kalama, WA | 1942 |
17080003
| Lower Columbia-Clatskanie | unknown |
268407
| WA | Cowlitz | Kalama River (lower) | 1935 |
17080003
| Lower Columbia-Clatskanie | established |