Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
274701
| MT | Flathead | Ashley Lake | 1988 |
17010208
| Flathead Lake | established |
1420971
| MT | Flathead | at Fishing Access Site and peninsula to north. | 2010 |
17010208
| Flathead Lake | established |
274700
| MT | Flathead | Little Bitterroot Lake | 1988 |
17010212
| Lower Flathead | established |
274699
| MT | Flathead | McGregor Lake | 1988 |
17010213
| Lower Clark Fork | established |
1730424
| MT | Lake | [No locality description provided] | 2022 |
17010211
| Swan | |
274705
| MT | Lake | Flathead Lake | 1989 |
17010208
| Flathead Lake | established |
274706
| MT | Lake | Lake Mary Ronan | 1989 |
17010208
| Flathead Lake | established |
274696
| MT | Lake | Loon Lake near Polson | 1988 |
17010211
| Swan | established |
274695
| MT | Lake | Van Lake in the Swan Valley | 1988 |
17010211
| Swan | established |
274698
| MT | Lincoln | Loon Lake | 1988 |
17010102
| Fisher | established |
1420970
| MT | Missoula | just south of swimming beach near US Forest Service campground on east side of lake. | 2010 |
17010203
| Blackfoot | established |
1420969
| MT | Missoula | on Clearwater River, just upstream of small irrigation dam and at closed entrance to irrigation diversion. Upstream of Highway 200 crossing. | 2010 |
17010203
| Blackfoot | established |
274697
| MT | Sanders | Cabinet Gorge Reservoir | 1988 |
17010213
| Lower Clark Fork | established |
274703
| MT | Sanders | Crow Creek | 1988 |
17010212
| Lower Flathead | established |
274702
| MT | Sanders | Noxon Reservoir, an impoundment of the Clark Fork River near the ID border | 1988 |
17010213
| Lower Clark Fork | established |
1420972
| MT | Sanders | side channel at Fishing Access Site just downstream of mouth of Jocko River. | 2010 |
17010212
| Lower Flathead | established |