Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
887732
| dioecious hydrilla | SC | Abbeville | Richard B. Russell Lake | 2002 |
03060103
| Upper Savannah | eradicated |
1340584
| monoecious hydrilla | SC | McCormick | Clarks Hill Lake | 2011 |
03060103
| Upper Savannah | established |
231135
| dioecious hydrilla | SC | McCormick | Clarks Hill Park, Lake J. Strom Thurmond | 1997 |
03060103
| Upper Savannah | established |
231136
| dioecious hydrilla | SC | McCormick | Clarks Hill Park, Lake J. Strom Thurmond | 1998 |
03060103
| Upper Savannah | established |