Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
46044
| WA | Benton | lower Yakima River near the Columbia River. | 1944 |
17030003
| Lower Yakima | established |
46050
| WA | Benton | Yakima River, from Prosser to the mouth | 1946 |
17030003
| Lower Yakima | established |
612081
| WA | Benton | Yakima River. Maps: 250k - Walla Walla; 24k - Whitstran; 100k - Richland. | 2003 |
17030003
| Lower Yakima | established |
240586
| WA | Yakima | Yakima River, west from Prosser to the Wapato Dam. | 2005 |
17030003
| Lower Yakima | established |
612082
| WA | Yakima | Yakima River. Maps: 250 K- Yakima; 24 K- Granger; 100 K- Toppenish | 2002 |
17030003
| Lower Yakima | established |