| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
288807
| MT | Garfield | Krieder Reservoir | 1988 |
10040205
| Lower Musselshell | established |
|
288808
| MT | Garfield | Krieder Reservoir | 1988 |
10040205
| Lower Musselshell | established |
|
288806
| MT | Garfield | Krieder Reservoir | 1989 |
10040205
| Lower Musselshell | established |
|
288805
| MT | Garfield | Krieder Reservoir | 1993 |
10040205
| Lower Musselshell | established |
|
290416
| MT | Garfield | Musselshell River(River Miles: 5.6 to 13)[Calculated using NHD+ v2.0 GIS dataset] | 2011 |
10040205
| Lower Musselshell | established |
|
290417
| MT | Garfield | Musselshell River(River Miles: 7.9 to 8)[Calculated using NHD+ v2.0 GIS dataset] | 2003 |
10040205
| Lower Musselshell | established |
|
290419
| MT | Garfield | Musselshell River(River Miles: 70 to 80)[Calculated using NHD+ v2.0 GIS dataset] | 2006 |
10040205
| Lower Musselshell | established |
|
290428
| MT | Garfield | Musselshell River(RM:0) | 1977 |
10040205
| Lower Musselshell | established |
|
290427
| MT | Garfield | Musselshell River(RM:0) | 1980 |
10040205
| Lower Musselshell | established |
|
290426
| MT | Garfield | Musselshell River(RM:0) | 1982 |
10040205
| Lower Musselshell | established |
|
290418
| MT | Petroleum | Musselshell River(River Miles: 58 to 58.1)[Calculated using NHD+ v2.0 GIS dataset] | 2010 |
10040205
| Lower Musselshell | established |