Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
33289
| ID | | Palouse drainage | 1990 |
17060108
| Palouse | established |
1730479
| ID | Latah | [No locality description provided] | 2022 |
17060108
| Palouse | |
33433
| ID | Latah | Moscow area | 1978 |
17060108
| Palouse | established |
271650
| ID | Nez Perce | Snake River, Clearwater Confluence to Salmon River | 2000 |
17060103
| Lower Snake-Asotin | established |
41449
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2001 |
17060104
| Upper Grande Ronde | established |
297572
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2009 |
17060104
| Upper Grande Ronde | established |
297580
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2013 |
17060104
| Upper Grande Ronde | established |
41295
| OR | Union | Grande Ronde River, near Elgin | 2001 |
17060104
| Upper Grande Ronde | established |
297586
| OR | Union | Grande Ronde River, near Elgin | 2009 |
17060104
| Upper Grande Ronde | established |
297592
| OR | Union | Grande Ronde River, near Elgin | 2013 |
17060104
| Upper Grande Ronde | established |
239111
| WA | | Snake River | 2003 |
17060100
| Lower Snake | established |
239169
| WA | Adams | Cow Lake | 2005 |
17060108
| Palouse | established |
239177
| WA | Adams | Finnel Lake | 2005 |
17060108
| Palouse | established |
239181
| WA | Adams | Hallin Lake | 2005 |
17060108
| Palouse | established |
45784
| WA | Adams | Sprague Lake (formally Colville Lake) | 1896 |
17060108
| Palouse | established |
45943
| WA | Adams | Sprague Lake (formally Colville Lake) | 1979 |
17060108
| Palouse | established |
165313
| WA | Adams | Sprague Lake, near Spokane | 1999 |
17060108
| Palouse | established |
239108
| WA | Adams | Sprague Lake, near Spokane | 2003 |
17060108
| Palouse | established |
239191
| WA | Asotin | Snake River, near Idaho state line | 2005 |
17060107
| Lower Snake-Tucannon | established |
239958
| WA | Columbia | Snake River, in Columbia County | 2005 |
17060110
| Lower Snake | established |
240884
| WA | Franklin | Snake River in Walla Walla County | 2005 |
17060110
| Lower Snake | established |
240265
| WA | Franklin | Snake River, in Franklin County | 2005 |
17060110
| Lower Snake | established |
240273
| WA | Garfield | Snake River, in Garfield county | 2005 |
17060107
| Lower Snake-Tucannon | established |
239109
| WA | Spokane | Silver Lake | 2003 |
17060108
| Palouse | established |
239821
| WA | Whitman | Lower Granite Reservoir | 2005 |
17060107
| Lower Snake-Tucannon | established |