Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
264759
| MT | Valley | Milk River | 1996 |
10050012
| Lower Milk | established |
281826
| MT | Valley | Milk River, river miles 0-10. | 1996 |
10050012
| Lower Milk | established |
285028
| MT | Valley | Milk River, river miles 0-10. | 1996 |
10050012
| Lower Milk | established |
285027
| MT | Valley | Milk River, river miles 0-10. | 1996 |
10050012
| Lower Milk | established |
281827
| MT | Valley | Milk River, river miles 0-10. | 2001 |
10050012
| Lower Milk | established |
285026
| MT | Valley | Milk River, river miles 0-10. | 2001 |
10050012
| Lower Milk | established |