Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
260288
| OR | Gilliam | Columbia River, near Arlington | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
243701
| OR | Morrow | Columbia River, Lake Umatilla, at Irrigon. | 2006 |
17070101
| Middle Columbia-Lake Wallula | established |
260290
| OR | Morrow | Columbia River, near Irrigon | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
260284
| OR | Sherman | Columbia River, between the mouth of the John Day River and the John Day Dam | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |
260286
| OR | Umatilla | Columbia River, McNary | 2005 |
17070101
| Middle Columbia-Lake Wallula | established |