| Specimen ID | 229990 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | SC |
| County | Clarendon |
| Locality | Lake Marion |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Marion |
| HUC8 Number | 03050111 |
| HUC10 Name | Lake Marion-Santee River |
| HUC10 Number | 0305011101 |
| HUC12 Name | Lake Marion-Santee River |
| HUC12 Number | 030501110109 |
| Map | |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
