| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1468062
| AZ | Coconino | Little Colorado River [at RK 10.6-11.5] | 1999 |
15020016
| Lower Little Colorado | established |
|
282109
| MT | McCone | Nelson Creek, rm 5.4 | 1999 |
10040104
| Fort Peck Reservoir | established |
|
282099
| MT | Yellowstone | Buffalo Creek, rm 2.1. | 1999 |
10070007
| Upper Yellowstone-Pompeys Pillar | established |
|
157552
| UT | Grand | Colorado River at Arches National Park | 1999 |
14030005
| Upper Colorado-Kane Springs | established |
|
157902
| UT | San Juan | Colorado River and Green River at Canyonlands National Park | 1999 |
14070001
| Upper Lake Powell | established |