Specimen Information

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

Specimen ID257526
GroupPlants
GenusHydrilla
Speciesverticillata
Subspeciesverticillata
Common Namewhorled hydrilla
StateKY
CountyKnott
LocalityCarr Creek Lake
Mapping AccuracyAccurate
HUC8 NameNorth Fork Kentucky
HUC8 Number05100201
HUC10 NameCarr Fork
HUC10 Number0510020102
HUC12 NameIrishman Creek-Carr Fork
HUC12 Number051002010203
Map
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Collection Day1
Collection Month9
Collection Year2008
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:17314
Author:Southeast Exotic Pest Plant Council.
Date:2008
Title:Early Detection & Distribution Mapping System.
Publisher:University of Georgia Center for Invasive Species and Ecosystem Health.
Reference 2
Ref. Number:27716
Author:Rybicki, N., J.D. Kirshtein, and M.A. Voytek.
Date:2013
Title:Molecular techniques to distinguish morphologically similar Hydrilla verticillata, Egeria densa, Elodea nuttallii, and Elodea canadensis
Journal:Journal of Aquatic Plant Management
Volume:51
Issue:2
Pages:94-102
CommentsKY hydrilla assumed dioecious prior to 2008 introduction to Kentucky Reservoir. Scattered dense plants - approx. 50 net acres at 15 ft depth, infested over 700 gross acres
Record TypeLiterature
VerifierKevin Frey - district fisheries biologist
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/19/2024].

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