Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1699626
| 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 |
616813
| WA | Clark | Vancouver | 1931 |
17080003
| Lower Columbia-Clatskanie | unknown |
163845
| WA | Wahkiakum | Julia Butler Hansen Refuge for the Columbian White-tailed Deer | 2005 |
17080003
| Lower Columbia-Clatskanie | established |