Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
47218
| WY | | Cheyenne drainage | 1994 |
10120000
| Cheyenne | established |
47217
| WY | | Missouri-Little Missouri | 1994 |
10110201
| Upper Little Missouri | established |
46959
| WY | | Niobrara River drainage | 1970 |
10150002
| Niobrara Headwaters | established |
46958
| WY | | North Platte (HUC6) non-specific | 1970 |
10180000
| North Platte | established |
267972
| WY | | North Platte (HUC6) non-specific | 1994 |
10180000
| North Platte | established |
47216
| WY | | Powder-Tongue drainage | 1994 |
10090205
| Crazy Woman | established |
860784
| WY | | Bear drainage | 1995 |
16010101
| Upper Bear | established |
46960
| WY | | Bighorn drainage | 1970 |
10080000
| Big Horn | established |
267970
| WY | | Bighorn drainage | 1994 |
10080000
| Big Horn | established |
46957
| WY | | state non-specific | 1970 |
| | established |
47096
| WY | | state non-specific | 1994 |
| | established |
157885
| WY | Big Horn | Bighorn Canyon National Recreation Area (Big Horn Lake?) | 1999 |
10080010
| Big Horn Lake | established |
1700292
| WY | Crook | [No locality description provided] | 2022 |
10120201
| Upper Belle Fourche | |
860785
| WY | Crook | Cook Lake | 1967 |
10120201
| Upper Belle Fourche | established |
860786
| WY | Crook | Cook Lake | 1968 |
10120201
| Upper Belle Fourche | established |
267971
| WY | Niobrara | Niobrara River | 1994 |
10150002
| Niobrara Headwaters | established |