| Specimen ID | 1634120 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | LA |
| County | Ascension |
| Locality | Alligator Bayou |
| Mapping Accuracy | Accurate |
| HUC8 Name | Amite |
| HUC8 Number | 08070202 |
| HUC10 Name | Bayou Manchac-Amite River |
| HUC10 Number | 0807020208 |
| HUC12 Name | Byou Braud-Bayou Manchac |
| HUC12 Number | 080702020802 |
| Map | |
| Collection Day | 16 |
| Collection Month | 4 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 31626 |
| Author: | Miller, R. (director). |
| Date: | 2009 |
| Title: | Glen N. Montz Herbarium (SELU) |
| Publisher: | Southeastern Louisiana University |
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| Reference 2 |
| Ref. Number: | 29277 |
| Author: | SERNEC Data Portal |
| Date: | 2019 |
| Title: | SouthEast Regional Network of Expertise and Collections |
| Publisher: | Appalachian State University |
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| Record Type | Specimen |
| Earliest Record | county |
| Disposal | SELU |
| Museum Cat Number | 11223 |
| Freshwater/Marine | Freshwater |