Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
50179
| MT | | state non-specific | 1991 |
| | established |
1698428
| MT | Deer Lodge | [No locality description provided] | 2016 |
17010202
| Flint-Rock | |
237225
| MT | Deer Lodge | Georgetown Lake near town of Georgetown | 2006 |
17010202
| Flint-Rock | unknown |
166872
| MT | Flathead | Flathead River drainage | 1993 |
17010200
| Pend Oreille | unknown |
1730997
| MT | Flathead | McWennegar Slough | 2014 |
17010208
| Flathead Lake | |
274059
| MT | Flathead | McWennegar Slough along N. side of SR35 near junction with Columbia Falls Stage | 1959 |
17010208
| Flathead Lake | established |
274060
| MT | Flathead | McWennegar Slough along N. side of SR35 near junction with Columbia Falls Stage | 1960 |
17010208
| Flathead Lake | established |
274061
| MT | Flathead | McWennegar Slough along N. side of SR35 near junction with Columbia Falls Stage | 1993 |
17010208
| Flathead Lake | established |
1730995
| MT | Flathead | Smith Lake | 2014 |
17010208
| Flathead Lake | |
1731006
| MT | Granite | Georgetown Lake | 2008 |
17010202
| Flint-Rock | |
1730998
| MT | Powell | Browns Lake | 2014 |
17010203
| Blackfoot | |
166874
| MT | Powell | Upsata Lake | 2002 |
17010203
| Blackfoot | established |
1731010
| MT | Powell | Upsata Lake | 2002 |
17010203
| Blackfoot | |
1730996
| MT | Powell | Upsata Lake | 2014 |
17010203
| Blackfoot | |
166873
| MT | Powell | Upsata Lake [~7 mi NW of Ovando] | 1998 |
17010203
| Blackfoot | established |
1731007
| MT | Yellowstone | Rattlesnake Reservoir | 2008 |
10070007
| Upper Yellowstone-Pompeys Pillar | |