Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
51667
| OR | Morrow | Columbia River, Boardman | 1974 |
17070101
| Middle Columbia-Lake Wallula | established |
243754
| OR | Morrow | Columbia River, Lake Umatilla, at Irrigon. | 2006 |
17070101
| Middle Columbia-Lake Wallula | established |
1340799
| OR | Umatilla | Columbia River, 20 km upstream from McNary Dam (469 km from mouth of river) | 2013 |
17070101
| Middle Columbia-Lake Wallula | established |
1340800
| OR | Umatilla | Columbia River, 20 km upstream from McNary Dam (469 km from mouth of river) | 2014 |
17070101
| Middle Columbia-Lake Wallula | established |