| Specimen ID | 1650428 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | TX |
| County | Hays |
| Locality | San Marcos, Tx |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Marcos |
| HUC8 Number | 12100203 |
| HUC10 Name | Upper San Marcos River |
| HUC10 Number | 1210020303 |
| HUC12 Name | Purgatory Creek-San Marcos River |
| HUC12 Number | 121002030302 |
| Map | |
| Collection Day | 9 |
| Collection Month | 8 |
| Collection Year | 2014 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
| Title: |
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| Comments | iNaturalist observation ID: 825156 |
| Record Type | Literature |
| Verifier | NAS Program Staff |
| Freshwater/Marine | Freshwater |
