| Specimen ID | 230953 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Val Verde |
| Locality | Lake Amistad (northern sections also called Devils Lake and Lake Walk) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Devils |
| HUC8 Number | 13040302 |
| HUC10 Name | Evans Creek-Amistad Reservoir |
| HUC10 Number | 1304030204 |
| HUC12 Name | 130403020403-Amistad Reservoir |
| HUC12 Number | 130403020403 |
| Map | |
| Collection Year | 1998 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
