| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
41448
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2001 |
17060104
| Upper Grande Ronde | established |
|
297571
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2009 |
17060104
| Upper Grande Ronde | established |
|
297579
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2013 |
17060104
| Upper Grande Ronde | established |
|
1757935
| WA | Asotin | [No locality description provided] | 2021 |
17060107
| Lower Snake-Tucannon | |
|
238900
| WA | Whitman | Snake River at Little Goose Dam | 1999 |
17060107
| Lower Snake-Tucannon | failed |
|
238901
| WA | Whitman | Upper Granite Reservoir | 1999 |
17060107
| Lower Snake-Tucannon | failed |