Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
243753
| WA | Benton | Columbia River, Lake Wallula, near Yakima River mouth and Bateman Island. | 2006 |
17030003
| Lower Yakima | established |
1545018
| WA | Benton | Yakima River, near Chandler Irrigation Canal return flow | 2015 |
17030003
| Lower Yakima | established |
1543769
| WA | Yakima | Tieton River, Rimrock Reservoir, at Cove Resort | 2015 |
17030002
| Naches | established |