Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
288664
| MT | Golden Valley | Big Coulee Creek River Miles: 0.1 to 0.2 | 2006 |
10040201
| Upper Musselshell | established |
290425
| MT | Golden Valley | Musselshell River(River Miles: 230.9 to 231)[Calculated using NHD+ v2.0 GIS dataset] | 2006 |
10040201
| Upper Musselshell | established |
290424
| MT | Musselshell | Musselshell River(River Miles: 220.8 to 220.9)[Calculated using NHD+ v2.0 GIS dataset] | 2006 |
10040201
| Upper Musselshell | established |
288718
| MT | Wheatland | Deadmans Basin Reservoir | 2005 |
10040201
| Upper Musselshell | established |
288719
| MT | Wheatland | Deadmans Basin Reservoir | 2005 |
10040201
| Upper Musselshell | established |