Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
33238
| ID | | Palouse drainage | 1990 |
17060108
| Palouse | established |
40496
| OR | Union | Union County | 1882 |
17060104
| Upper Grande Ronde | established |
46007
| WA | | Snake River as far up as Glenns Ferry (whole length in WA) | 1894 |
17060107
| Lower Snake-Tucannon | established |
46078
| WA | | Snake River as far up as Glenns Ferry (whole length in WA) | 1945 |
17060107
| Lower Snake-Tucannon | established |
244685
| WA | Adams | Sprague Lake (formally Colville Lake) | 1977 |
17060108
| Palouse | established |
165316
| WA | Adams | Sprague Lake, near Spokane | 1999 |
17060108
| Palouse | established |
45745
| WA | Spokane | Silver Lake | 1896 |
17060108
| Palouse | established |