Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
164319
| OR | Columbia | Big McNary Lake (Columbia River) at RKm 140.8 | 1995 |
17090012
| Lower Willamette | established |
164320
| OR | Columbia | Big McNary Lake (Columbia River) at RKm 140.8 | 1995 |
17090012
| Lower Willamette | established |
877557
| OR | Columbia | Columbia River near Goble (RKm 120.3) | 1995 |
17080003
| Lower Columbia-Clatskanie | established |
877556
| OR | Columbia | Columbia River near Goble (RKm 120.3) | 1995 |
17080003
| Lower Columbia-Clatskanie | established |