Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41688
| OR | Harney | Taft Miller Reservoir, (Rock Creek Reservoir) 20 mile northeast of Hart Mountain Antelope Refuge headquarters. | 2001 |
17120008
| Guano | established |
296777
| OR | Harney | Taft Miller Reservoir, (Rock Creek Reservoir) 20 mile northeast of Hart Mountain Antelope Refuge headquarters. | 2009 |
17120008
| Guano | established |
296779
| OR | Harney | Taft Miller Reservoir, (Rock Creek Reservoir) 20 mile northeast of Hart Mountain Antelope Refuge headquarters. | 2013 |
17120008
| Guano | established |