Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
36569
| MT | Beaverhead | Beaverhead County, pond | 1960 |
10020000
| Missouri Headwaters | collected |
36389
| MT | Broadwater | Canyon Ferry Lake on the Missouri River | 1990 |
10030101
| Upper Missouri | failed |
279000
| MT | Granite | Bearmouth Springs. | 1966 |
17010202
| Flint-Rock | established |
36572
| MT | Granite | Granite County | 1971 |
17010200
| Pend Oreille | collected |
36390
| MT | Granite | Granite County | 1990 |
17010200
| Pend Oreille | collected |
36286
| MT | Madison | Beaverhead Pond | 1985 |
10020002
| Beaverhead | collected |
36388
| MT | Madison | Beaverhead River | 1990 |
10020005
| Jefferson | collected |
279001
| MT | Madison | Beaverhead Rock Pond | 1969 |
10020002
| Beaverhead | established |
36571
| MT | Madison | Madison County, pond (Trudeau?) | 1971 |
10020007
| Madison | collected |
36290
| MT | Madison | Thermal Spring near Twin Bridges | 1981 |
10020002
| Beaverhead | collected |