| Specimen ID | 229989 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | SC |
| County | Richland |
| Locality | Lake Murray |
| Mapping Accuracy | Accurate |
| HUC8 Name | Wateree |
| HUC8 Number | 03050104 |
| HUC10 Name | Lower Wateree River |
| HUC10 Number | 0305010404 |
| HUC12 Name | Lower Colonels Creek |
| HUC12 Number | 030501040404 |
| Map | |
| Collection Year | 1997 |
| Potential Pathway | unknown |
| Status | established |
| Freshwater/Marine | Freshwater |
