Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
243710
| OR | Hood River | Columbia River, mid channel north of Hood River. | 2006 |
17070105
| Middle Columbia-Hood | established |
243701
| OR | Morrow | Columbia River, Lake Umatilla, at Irrigon. | 2006 |
17070101
| Middle Columbia-Lake Wallula | established |
243711
| OR | Wasco | Columbia River, mid channel east of Rowena. | 2006 |
17070105
| Middle Columbia-Hood | established |