Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1464325
| SD | Clay | Missouri River (Below Gavins Point Dam) | 2015 |
10170101
| Lewis and Clark Lake | unknown |
1464289
| SD | Clay | Vermillion River (Below East Vermillion) | 2015 |
10170102
| Vermillion | unknown |
1702686
| SD | Clay | Vermillion River confluence with the Missouri River, SD | 2012 |
10170102
| Vermillion | |
1464311
| SD | McCook | East Vermillion Lake - Below the Spillway | 2015 |
10170102
| Vermillion | unknown |
1702691
| SD | McCook | Vermillion River below East Lake Vermillion Dam, SD | 2011 |
10170102
| Vermillion | |
157072
| SD | Yankton | Missouri River below Gavins Point dam | 2003 |
10170101
| Lewis and Clark Lake | unknown |