Specimen Information

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

Specimen ID213813
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 Year1980
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:10114
Author:Johnson, J., R. Helton, L. Hartmann, and J. Cox
Date:1991
Title:Weedy waters: foreign plants clog Texas waterways.
Journal:Texas Parks and Wildlife
Volume:49
Issue:7
Pages:36-39
Record TypeLiterature
Verifier
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/20/2024].

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