| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
36308
| MT | | Clark Fork drainage | 1990 |
17010213
| Lower Clark Fork | unknown |
|
36312
| MT | | Little Missouri drainage | 1990 |
10110201
| Upper Little Missouri | unknown |
|
36549
| MT | | Marias (HUC6) non-specific | 1990 |
10030200
| Marias | unknown |
|
36543
| MT | | Missouri drainage, upper | 1990 |
10030100
| Upper Missouri | unknown |
|
36588
| MT | | Missouri Headwaters (HUC6) non-specific | 1990 |
10020000
| Missouri Headwaters | unknown |
|
36570
| MT | | Tongue (HUC6) non-specific | 1990 |
10090100
| Tongue | unknown |
|
36598
| MT | | Yellowstone drainage, upper | 1990 |
10070000
| Upper Yellowstone | unknown |
|
36467
| MT | | state non-specific | 1971 |
| | unknown |
|
36295
| MT | | state non-specific | 1985 |
| | established |
|
36309
| MT | | state non-specific | 1990 |
| | unknown |
|
36473
| MT | | Yellowstone drainage | 1971 |
10100001
| Lower Yellowstone-Sunday | unknown |
|
36310
| MT | | Yellowstone drainage | 1990 |
10100001
| Lower Yellowstone-Sunday | unknown |
|
285125
| MT | Dawson | Hollecker Lake | 2001 |
10100004
| Lower Yellowstone | unknown |
|
163125
| MT | Granite | Bearmouth, Granite County, high-altitude, thermal spring fed pond in the Columbia River drainage | 1966 |
17010202
| Flint-Rock | unknown |
|
850804
| MT | Missoula | a golf course pond in Missoula near the Clark Fork River | 1987 |
17010204
| Middle Clark Fork | established |
|
1697740
| MT | Missoula | Larchmont Golf Course | 1999 |
17010205
| Bitterroot | eradicated |
|
1697823
| MT | Yellowstone | Lake Elmo | 1988 |
10070007
| Upper Yellowstone-Pompeys Pillar | failed |
|
1697829
| MT | Yellowstone | Laurel Pond | 1983 |
10070004
| Upper Yellowstone-Lake Basin | unknown |