|
Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
854101
| OR | Clatsop | Cathlamet | 2007 |
17080006
| Lower Columbia | established |
5
| OR | Clatsop | Columbia River, just below mouth of John Day River | 1914 |
17080006
| Lower Columbia | established |
854229
| OR | Clatsop | Gearhart | 1998 |
17080006
| Lower Columbia | established |
854221
| OR | Clatsop | Knappa | 2007 |
17080006
| Lower Columbia | established |
854268
| OR | Clatsop | Warrenton | 1998 |
17080006
| Lower Columbia | established |
854227
| OR | Clatsop | Warrenton | 1998 |
17080006
| Lower Columbia | established |
616850
| OR | Columbia | 4.5 mi SSE Rainier, U.S. Hwy. 30 | 1948 |
17080003
| Lower Columbia-Clatskanie | unknown |
854052
| OR | Columbia | Baker Point | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
853998
| OR | Columbia | Deer Island | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
6
| OR | Multnomah | near Portland from Brightwood on the Mount Hood highway, to the Sandy River and then down the Columbia and Willamette to Sauvies Island | 1925 |
17080003
| Lower Columbia-Clatskanie | established |
242775
| OR | Multnomah | Sandy River Delta | 1997 |
17080001
| Lower Columbia-Sandy | established |
1699626
| WA | Clark | [No locality description provided] | 2021 |
17080003
| Lower Columbia-Clatskanie | |
1747145
| WA | Clark | [No locality description provided] | 2021 |
17080003
| Lower Columbia-Clatskanie | |
616851
| WA | Clark | Bower's Slough | 1991 |
17080003
| Lower Columbia-Clatskanie | unknown |
616852
| WA | Clark | Bower's Slough | 1991 |
17080003
| Lower Columbia-Clatskanie | unknown |
163857
| WA | Clark | Ridgefield National Wildlife Refuge | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
163860
| WA | Clark | Steigerwald Lake National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
616813
| WA | Clark | Vancouver | 1931 |
17080003
| Lower Columbia-Clatskanie | unknown |
616816
| WA | Cowlitz | Ostrander | 1936 |
17080005
| Lower Cowlitz | unknown |
616814
| WA | Cowlitz | Silver Lake | 1931 |
17080005
| Lower Cowlitz | unknown |
616815
| WA | Cowlitz | Silver Lake | 1931 |
17080005
| Lower Cowlitz | unknown |
1747628
| WA | Lewis | [No locality description provided] | 2022 |
17080005
| Lower Cowlitz | |
163843
| WA | Skamania | Franz Lake National Wildlife Refuge [Along the Columbia River, 2.2 km (1.4 mi) WSW of Skamania] | 2005 |
17080001
| Lower Columbia-Sandy | established |
163855
| WA | Skamania | Pierce National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
163845
| WA | Wahkiakum | Julia Butler Hansen Refuge for the Columbian White-tailed Deer | 2005 |
17080003
| Lower Columbia-Clatskanie | established |
|