| Specimen ID | 1650637 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | TX |
| County | Williamson |
| Locality | Williamson, Texas, United States |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Gabriel |
| HUC8 Number | 12070205 |
| HUC10 Name | Granger Lake-San Gabriel River |
| HUC10 Number | 1207020505 |
| HUC12 Name | Smith Branch-San Gabriel River |
| HUC12 Number | 120702050501 |
| Map | |
| Collection Day | 5 |
| Collection Month | 9 |
| 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: 32194981 |
| Record Type | Literature |
| Verifier | NAS Program Staff |
| Freshwater/Marine | Freshwater |
