Specimen Information

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

Specimen ID1409472
GroupPlants
GenusHydrilla
Speciesverticillata [dioecious]
Common Namedioecious hydrilla
StateGA
CountySumter
LocalityLake Blackshear, near Swift Creek of the Flint River, across from the Georgia Veterans State Park
Mapping AccuracyAccurate
HUC8 NameMiddle Flint
HUC8 Number03130006
HUC10 NameFlint River-Lake Blackshear
HUC10 Number0313000606
HUC12 NameLower Lake Blackshear
HUC12 Number031300060611
Map
+
Collection Month6
Collection Year2017
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
CommentsLikely in the Flint drainage for many years prior. There is currently 50-75 acres of hydrilla in Lake Blackshear. Chemical treatment is being used as a control measure. Crisp County Power owns Lake Blackshear and they contract with Estate Management Services to manage aquatic vegetation.
Record TypePersonal communication
VerifierRob Weller, Georgia DNR
Freshwater/MarineFreshwater
Size50-75 acres


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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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/24/2022].

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