Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
264597
| MT | Custer | O'Fallon Creek | 2002 |
10100005
| O'Fallon | established |
264618
| MT | Fallon | O'Fallon Creek | 2001 |
10100005
| O'Fallon | established |
264619
| MT | Fallon | O'Fallon Creek | 2002 |
10100005
| O'Fallon | established |
264623
| MT | Fallon | Pennel Creek | 2001 |
10100005
| O'Fallon | established |
264598
| MT | Fallon | Pennel Creek | 2004 |
10100005
| O'Fallon | established |
264621
| MT | Fallon | Pennel Creek | 2004 |
10100005
| O'Fallon | established |
264625
| MT | Fallon | Sandstone Creek | 2001 |
10100005
| O'Fallon | established |
1335033
| MT | Fallon | Spring Creek. Township:5n, Range:56e, Section:35; Maps:250k-Miles City, 24k-Harmon Butte, 100k-Baker. | 2000 |
10100005
| O'Fallon | established |
264677
| MT | Prairie | O'Fallon Creek | 2002 |
10100005
| O'Fallon | established |