Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
46956
| WY | | farm ponds in NE counties | 1970 |
10120201
| Upper Belle Fourche | established |
267965
| WY | | North Platte (HUC6) non-specific | 1994 |
10180000
| North Platte | established |
47215
| WY | | South Platte (HUC6) non-specific | 1994 |
10190000
| South Platte | established |
47214
| WY | | Bighorn drainage | 1994 |
10080000
| Big Horn | established |
47100
| WY | | state non-specific | 1994 |
| | collected |
164840
| WY | | upper Colorado River basin | 1880 |
14040107
| Blacks Fork | established |
157886
| WY | Big Horn | Bighorn Canyon National Recreation Area (Big Horn Lake?) | 1999 |
10080010
| Big Horn Lake | established |
46954
| WY | Campbell | Little Thunder Basin Reservoir | 1970 |
10120103
| Upper Cheyenne | established |
267964
| WY | Campbell | Powder River drainage | 1994 |
10090200
| Powder | established |
46953
| WY | Platte | Festo Lake near Wheatland | 1970 |
10180011
| Lower Laramie | established |
47162
| WY | Sweetwater | Flaming Gorge Reservoir | 1982 |
14040106
| Upper Green-Flaming Gorge Reservoir | established |