Specimen Information

Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1634119
GroupPlants
GenusHydrilla
Speciesverticillata
Subspeciesverticillata
Common Namewhorled hydrilla
StateLA
CountyAscension
LocalityAlligator Bayou
Mapping AccuracyAccurate
HUC8 NameAmite
HUC8 Number08070202
HUC10 NameBayou Manchac-Amite River
HUC10 Number0807020208
HUC12 NameByou Braud-Bayou Manchac
HUC12 Number080702020802
Map
Collection Day24
Collection Month10
Collection Year2002
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:28190
Author:Louisiana State University
Date:2020
Title:Shirley C. Tucker Herbarium (LSU)
Publisher:SEINet Data Portal
Reference 2
Ref. Number:29277
Author:SERNEC Data Portal
Date:2019
Title:SouthEast Regional Network of Expertise and Collections
Publisher:Appalachian State University
Record TypeSpecimen
Earliest Recordcounty
DisposalLSU
Museum Cat Number53902
Freshwater/MarineFreshwater

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.