| Specimen ID | 1656962 |
| Group | Plants |
| Genus | Hygrophila |
| Species | polysperma |
| Common Name | Indian swampweed |
| State | TX |
| County | Bexar |
| Locality | San Antonio River at Brackenridge Park at Red Oak Road |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper San Antonio |
| HUC8 Number | 12100301 |
| HUC10 Name | Headwaters San Antonio River |
| HUC10 Number | 1210030102 |
| HUC12 Name | Olmos Creek-San Antonio River |
| HUC12 Number | 121003010201 |
| Map | |
| Collection Day | 18 |
| Collection Month | 7 |
| Collection Year | 2018 |
| Year Accuracy | Actual |
| Potential Pathway | released aquarium | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 29238 |
| Author: | Botanical Research Institute of Texas |
| Date: | 2021 |
| Title: | Botanical Research Institute of Texas Philecology Herbarium (BRIT) |
| Publisher: | SEINet Data Portal |
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| Reference 2 |
| Ref. Number: | 28331 |
| Author: | SEINet Portal Network. |
| Date: | 2021 |
| Title: | Southwest Environmental Information Network |
| Publisher: | Symbiota Software Project, Arizona State University |
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| Record Type | Specimen |
| Earliest Record | drainage |
| Disposal | Herbarium |
| Museum Cat Number | BRIT552820 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
