| Specimen ID | 1470957 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Harris |
| Locality | Highlands Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | Buffalo-San Jacinto |
| HUC8 Number | 12040104 |
| HUC10 Name | Buffalo Bayou-San Jacinto River |
| HUC10 Number | 1204010407 |
| HUC12 Name | Highlands Reservoir-San Jacinto River |
| HUC12 Number | 120401040705 |
| Map | |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 30788 |
| Author: | Texas Parks & Wildlife Department. |
| Date: | 2018 |
| Title: | Lake Survey Reports |
| Publisher: | Texas Parks and Wildlife Department, Inland Fisheries Division |
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| Reference 2 |
| Ref. Number: | 31680 |
| Author: | Ragan, N., and A. Best |
| Date: | 2016 |
| Title: | Highlands Reservoir 2015 Fisheries Management Survey Report |
| Publisher: | Texas Parks and Wildlife Department, Inland Fisheries Division |
| Pages: | 1-18 |
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| Comments | Present in water supply canals, but not mentioned in vegetation table |
| Record Type | Literature |
| Verifier | Texas Parks & Wildlife Department |
| Freshwater/Marine | Freshwater |
