Specimen Information

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

Specimen ID1886728
GroupPlants
GenusHydrilla
Speciesverticillata
Subspeciesverticillata
Common Namewhorled hydrilla
StateTX
CountyComal
LocalityCanyon Lake, Cranes Mill Park
Mapping AccuracyAccurate
HUC8 NameUpper Guadalupe
HUC8 Number12100201
HUC10 NameGuadalupe River-Canyon Lake
HUC10 Number1210020104
HUC12 NameJentsch Creek-Canyon Lake
HUC12 Number121002010406
Map
Collection Day16
Collection Month6
Collection Year2022
Year AccuracyActual
Statusestablished
Reference 1
Ref. Number:46428
Author:Lorkovic, E., J.P. Martina, M.E. McGarrity, and A.N. Schwalb
Date:2025
Title:Two invaders, one reservoir: Hydrilla shapes the distribution of zebra mussels and may facilitate their growth
Journal:Aquatic Invasions
Volume:20
Issue:3
Pages:273-290
Record TypeLiterature


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

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