Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
282106
| MT | Custer | Locate Creek, rm 6.1 | 2004 |
10090209
| Lower Powder | established |
291863
| MT | Custer | Powder River(River Miles: 69.3 to 69.4) | 2000 |
10090209
| Lower Powder | established |
288297
| MT | Powder River | Bitter Creek, rm 3. | 2002 |
10090207
| Middle Powder | established |
282094
| MT | Powder River | Bitter Creek, rm 3. | 2002 |
10090207
| Middle Powder | established |
291864
| MT | Powder River | Powder River(River Miles: 134.7 to 135.7) | 2005 |
10090209
| Lower Powder | established |
291865
| MT | Powder River | Powder River(River Miles: 135.3 to 135.4) | 2006 |
10090209
| Lower Powder | established |
291866
| MT | Powder River | Powder River(River Miles: 151.3 to 152.3) | 2005 |
10090207
| Middle Powder | established |
291867
| MT | Powder River | Powder River(River Miles: 151.9 to 152) | 2006 |
10090207
| Middle Powder | established |
291868
| MT | Powder River | Powder River(River Miles: 187.3 to 187.4) | 2005 |
10090207
| Middle Powder | established |
291869
| MT | Powder River | Powder River(River Miles: 212.4 to 213.4) | 2005 |
10090207
| Middle Powder | established |
860780
| WY | Campbell | Powder River drainage | 1995 |
10090200
| Powder | established |