Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
260281
| OR | Hood River | Columbia River, Government Cove just east of Cascade Locks | 2005 |
17070105
| Middle Columbia-Hood | established |
260283
| OR | Hood River | Columbia river, just west of the confluence of the Hood River | 2005 |
17070105
| Middle Columbia-Hood | established |
243710
| OR | Hood River | Columbia River, mid channel north of Hood River. | 2006 |
17070105
| Middle Columbia-Hood | established |
260282
| OR | Wasco | Columbia River, approx. 3 miles east of Rowena | 2005 |
17070105
| Middle Columbia-Hood | established |
243711
| OR | Wasco | Columbia River, mid channel east of Rowena. | 2006 |
17070105
| Middle Columbia-Hood | established |