| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
36794
| MT | | Missouri-Poplar (HUC6) non-specific | 2000 |
10060000
| Missouri-Poplar | established |
|
281923
| MT | Hill | Fresno Reservoir | 2000 |
10050002
| Upper Milk | established |
|
281920
| MT | Phillips | Milk River, from Dodson Dam to Canadian border (rm 278.9-497.1) | 2000 |
10050004
| Middle Milk | established |
|
281872
| MT | Sanders | Noxon Reservoir, an impoundment of the Clark Fork River near the ID border | 2000 |
17010213
| Lower Clark Fork | established |
|
238516
| WA | Franklin | Scooteney Reservoir | 2000 |
17020016
| Upper Columbia-Priest Rapids | established |
|
238517
| WA | Stevens | Little Falls Dam, on the Spokane River | 2000 |
17010307
| Lower Spokane | established |