| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
33281
| ID | | Palouse drainage | 1990 |
17060108
| Palouse | established |
|
271652
| ID | Nez Perce | Snake River, Clearwater Confluence to Salmon River | 2000 |
17060103
| Lower Snake-Asotin | established |
|
40620
| OR | Wallowa | Grande Ronde River near WA state line | 1980 |
17060106
| Lower Grande Ronde | established |
|
1671030
| WA | Lincoln | [No locality description provided] | 2017 |
17060108
| Palouse | |
|
1751704
| WA | Spokane | [No locality description provided] | 2022 |
17060108
| Palouse | |
|
240515
| WA | Spokane | Downs Lake | 2005 |
17060108
| Palouse | established |
|
239725
| WA | Spokane | Silver Lake | 2005 |
17060108
| Palouse | established |
|
1751262
| WA | Whitman | [No locality description provided] | 2024 |
17060107
| Lower Snake-Tucannon | |
|
1751796
| WA | Whitman | [No locality description provided] | 2024 |
17060107
| Lower Snake-Tucannon | |
|
549611
| WA | Whitman | [No locality string in original GBIF record] | 1964 |
17060108
| Palouse | established |
|
239105
| WA | Whitman | Snake River at Lower Granite Dam | 2003 |
17060107
| Lower Snake-Tucannon | established |
|
1334991
| WA | Whitman | SNAKE RIVER AT RM 63.3 | 2011 |
17060107
| Lower Snake-Tucannon | established |