| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
36434
| MT | | Missouri River, from ND state line to Poplar | 1990 |
10060005
| Charlie-Little Muddy | established |
|
36826
| MT | Richland | Missouri River near the ND state line | 1990 |
10060005
| Charlie-Little Muddy | established |
|
292261
| MT | Roosevelt | Missouri River(River Miles: 1,589.2 to 1,589.3) | 2001 |
10060005
| Charlie-Little Muddy | established |
|
292262
| MT | Roosevelt | Missouri River(River Miles: 1,590 to 1,761.5) | 1999 |
10060005
| Charlie-Little Muddy | established |
|
292264
| MT | Roosevelt | Missouri River(River Miles: 1,600 to 1,601) | 2001 |
10060005
| Charlie-Little Muddy | established |