Specimen Information

Hydrilla verticillata [dioecious]
Hydrilla verticillata [dioecious]
(dioecious hydrilla)
Plants
Exotic

Specimen ID230674
GroupPlants
GenusHydrilla
Speciesverticillata [dioecious]
Common Namedioecious hydrilla
StateTX
CountyComal
LocalityCanyon Reservoir
Mapping AccuracyAccurate
HUC8 NameUpper Guadalupe
HUC8 Number12100201
HUC10 NameGuadalupe River-Canyon Lake
HUC10 Number1210020104
HUC12 NameTom Creek-Canyon Lake
HUC12 Number121002010407
Map
+
Collection Year1995
Year AccuracyActual
Potential Pathwayunknown
Statuseradicated
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:27701
Author:Texas Invasive Plant and Pest Council.
Date:2018
Title:Texas Invasives Database
Publisher:Lady Bird Johnson Wildflower Center
CommentsSurveys in 2003, 2007, and 2011 found no plants
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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/24/2021].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.