| Specimen ID | 1634109 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | AR |
| County | Union |
| Locality | Long Lake Access on the west side of Lake Jack Lee |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Ouachita-Bayou De Loutre |
| HUC8 Number | 08040202 |
| HUC10 Name | Brushy Creek-Ouachita River |
| HUC10 Number | 0804020202 |
| HUC12 Name | Lapile Creek-Ouachita River |
| HUC12 Number | 080402020206 |
| Map | |
| Collection Day | 28 |
| Collection Month | 7 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 29018 |
| Author: | Gentry, J.L. (director and curator). |
| Date: | 2013 |
| Title: | University of Arkansas Herbarium (UARK) |
| Publisher: | University of Arkansas |
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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 | UARK |
| Museum Cat Number | 81154 |
| Freshwater/Marine | Freshwater |
