| Specimen ID | 235544 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Williamson |
| Locality | Granger Lake, N of Taylor toward Austin, in the Black Prairie lands. |
| Mapping Accuracy | Approximate |
| HUC8 Name | San Gabriel |
| HUC8 Number | 12070205 |
| Map | |
| Collection Day | 19 |
| Collection Month | 12 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Verifier | Helton, Rhandy |
| Freshwater/Marine | Freshwater |
