Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41450
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2001 |
17060104
| Upper Grande Ronde | established |
297568
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2009 |
17060104
| Upper Grande Ronde | established |
297576
| OR | Union | Catherine Creek Slough, east of LaGrande to Elgin | 2013 |
17060104
| Upper Grande Ronde | established |
41454
| OR | Union | Grande Ronde River, near Elgin | 2001 |
17060104
| Upper Grande Ronde | established |
297585
| OR | Union | Grande Ronde River, near Elgin | 2009 |
17060104
| Upper Grande Ronde | established |
297591
| OR | Union | Grande Ronde River, near Elgin | 2013 |
17060104
| Upper Grande Ronde | established |
41458
| OR | Union | Grays Slough, lower Cover Road, 3 mile east of Conley | 2001 |
17060104
| Upper Grande Ronde | established |
297595
| OR | Union | Grays Slough, lower Cover Road, 3 mile east of Conley | 2009 |
17060104
| Upper Grande Ronde | established |
297599
| OR | Union | Grays Slough, lower Cover Road, 3 mile east of Conley | 2013 |
17060104
| Upper Grande Ronde | established |
238914
| WA | | Snake River | 2003 |
17060100
| Lower Snake | established |
239195
| WA | Asotin | Snake River, near Idaho state line | 2005 |
17060107
| Lower Snake-Tucannon | established |
239963
| WA | Columbia | Snake River, in Columbia County | 2005 |
17060110
| Lower Snake | established |
240888
| WA | Franklin | Snake River in Walla Walla County | 2005 |
17060110
| Lower Snake | established |
240270
| WA | Franklin | Snake River, in Franklin County | 2005 |
17060110
| Lower Snake | established |
240277
| WA | Garfield | Snake River, in Garfield county | 2005 |
17060107
| Lower Snake-Tucannon | established |
239825
| WA | Whitman | Lower Granite Reservoir | 2005 |
17060107
| Lower Snake-Tucannon | established |