Specimen Information

Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic

Specimen ID229745
GroupPlants
GenusHydrilla
Speciesverticillata
Subspeciesverticillata
Common Namewhorled hydrilla
StateTX
CountyMontgomery
LocalityLake Conroe [just NW of Conroe]
Mapping AccuracyAccurate
HUC8 NameWest Fork San Jacinto
HUC8 Number12040101
HUC10 NameWest Fork San Jacinto River-Conroe Lake
HUC10 Number1204010102
HUC12 NameLittle Lake Creek-Conroe Lake
HUC12 Number120401010205
Map
+
Collection Year1991
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:10233
Author:Helton, R.J., and L.H. Hartmann.
Date:1996
Title:Statewide Aquatic Vegetation Survey Summary, 1995 Report.
Publisher:Inland Fisheries Division, District 3-E, Jasper, Texas.
Pages:38
Reference 2
Ref. Number:5137
Author:Kay, S.H.
Date:1992
Title:Hydrilla: a rapidly spreading aquatic weed problem in North Carolina. Agriculture Bulletin AG-449
Publisher:North Carolina Cooperative Extension Service, NC State University
Pages:11
Record TypeLiterature
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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/25/2024].

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.