Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
258022
| WA | Clark | Columbia River/Hayden Island | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
163872
| WA | Clark | Ridgefield National Wildlife Refuge | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
1656910
| WA | Clark | Ridgefield National Wildlife Refuge | 2021 |
17080003
| Lower Columbia-Clatskanie | established |
255112
| WA | Cowlitz | Abernathy Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255114
| WA | Cowlitz | Coal Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255117
| WA | Cowlitz | Germany Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255208
| WA | Cowlitz | Kalama River (lower) | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255212
| WA | Cowlitz | Lewis River (mouth) | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255124
| WA | Cowlitz | Longview | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255211
| WA | Wahkiakum | Columbia River at Cathlamet | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255103
| WA | Wahkiakum | Elochoman River (lower) | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255102
| WA | Wahkiakum | Elochoman River (main) | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
163870
| WA | Wahkiakum | Julia Butler Hansen Refuge for the Columbian White-tailed Deer | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
255110
| WA | Wahkiakum | Mill Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255101
| WA | Wahkiakum | Skamokawa Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |