| Specimen ID | 1650639 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | TX |
| County | Denton |
| Locality | Ray Roberts Lake State Park - Isle Du Bois Unit, Valley View, TX, US |
| Mapping Accuracy | Accurate |
| HUC8 Name | Elm Fork Trinity |
| HUC8 Number | 12030103 |
| HUC10 Name | Isle du Bois Creek-Elm Fork Trinity River |
| HUC10 Number | 1203010303 |
| HUC12 Name | Walnut Branch-Isle du Bois Creek |
| HUC12 Number | 120301030304 |
| Map | |
| Collection Day | 20 |
| Collection Month | 10 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
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| Comments | iNaturalist observation ID: 34644295 |
| Record Type | Literature |
| Verifier | NAS Program Staff |
| Freshwater/Marine | Freshwater |
