| Specimen ID | 1634147 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Lee |
| Locality | Cedar Creek arm of Lake Somerville, ca 2500 ft. SE of HQ at Nails Creek Unit, Lake Somerville State Recreation Area |
| Mapping Accuracy | Accurate |
| HUC8 Name | Yegua |
| HUC8 Number | 12070102 |
| HUC10 Name | Nails Creek-Yegua Creek |
| HUC10 Number | 1207010203 |
| HUC12 Name | Fourmile Creek |
| HUC12 Number | 120701020305 |
| Map | |
| Collection Day | 4 |
| Collection Month | 10 |
| Collection Year | 1987 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 30522 |
| Author: | Yatskievych, G. (curator). |
| Date: | 2017 |
| Title: | University of Texas at Austin Herbarium (TEX) |
| Publisher: | University of Texas at Austin |
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| Reference 2 |
| Ref. Number: | 29277 |
| Author: | SERNEC Data Portal |
| Date: | 2019 |
| Title: | SouthEast Regional Network of Expertise and Collections |
| Publisher: | Appalachian State University |
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| Record Type | Specimen |
| Earliest Record | county |
| Disposal | TEX |
| Museum Cat Number | 166635 |
| Verifier | David E. Lemke |
| Freshwater/Marine | Freshwater |
