Specimen Information

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

Specimen ID1695805
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 Month8
Collection Year2019
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:38099
Author:Ireland, P., and M. Farooqi
Date:2020
Title:Canyon Revervoir 2019 Fisheries Management Survey Report
Publisher:Texas Parks and Wildlife Department, Inland Fisheries Division
Pages:55 pp
CommentsA vegetation survey in August 2019 detected a small amount of Hydrilla in the back of several cove areas. Reports in 2019 revealed that anglers were seeing more Hydrilla in the reservoir.
Record TypeLiterature
VerifierTexas Parks and Wildlife Department
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/29/2022].

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