|
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 |
163873
| WA | Clark | Steigerwald Lake National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
255112
| WA | Cowlitz | Abernathy Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255114
| WA | Cowlitz | Coal Creek | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
255119
| WA | Cowlitz | Delameter Creek | 2007 |
17080005
| Lower Cowlitz | 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 |
255122
| WA | Cowlitz | Ostrander Creek | 2007 |
17080005
| Lower Cowlitz | established |
255120
| WA | Cowlitz | Silver Lake | 2007 |
17080005
| Lower Cowlitz | established |
255084
| WA | Grays Harbor | Chehalis River (lower) | 2007 |
17100105
| Grays Harbor | established |
255090
| WA | Grays Harbor | Chehalis River/Garrard Creek | 2007 |
17100103
| Upper Chehalis | established |
241851
| WA | King | Green River area | 1935 |
17110013
| Duwamish | established |
283649
| WA | King | Kenmore, stormwater pond | 2012 |
17110012
| Lake Washington | established |
241852
| WA | King | Lake Washington | 1948 |
17110012
| Lake Washington | established |
250073
| WA | King | Lake Washington | 1958 |
17110012
| Lake Washington | established |
166615
| WA | King | Lake Washington | 2006 |
17110012
| Lake Washington | established |
255020
| WA | King | Lake Washington | 2007 |
17110012
| Lake Washington | established |
241831
| WA | King | Sammamish River | 1941 |
17110012
| Lake Washington | established |
255019
| WA | King | Sammamish River | 2007 |
17110012
| Lake Washington | established |
1468051
| WA | King | Sammamish River | 2018 |
17110012
| Lake Washington | unknown |
241832
| WA | King | Seattle area | 1943 |
17110019
| Puget Sound | established |
|