Specimen Information

Hydrilla verticillata [monoecious]
Hydrilla verticillata [monoecious]
(monoecious hydrilla)

Specimen ID1670501
Speciesverticillata [monoecious]
Common Namemonoecious hydrilla
LocalityTycoon Lake
Mapping AccuracyAccurate
HUC8 NameRaccoon-Symmes
HUC8 Number05090101
HUC10 NameIndian Creek-Raccoon Creek
HUC10 Number0509010106
HUC12 NameBarren Creek-Raccoon Creek
HUC12 Number050901010602
Collection Day8
Collection Month8
Collection Year2020
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
CommentsHydrilla discovered by Ohio DNR in 2020. Thick beds and topped out hydrilla was found lake wide totaling 82.3 acres - 33.3/ha. About 45 percent of the lake is covered in hydrilla and out to depths of 9.5 feet reaching 4-5 feet tall in some areas.
Record TypeNAS sighting report
Earliest Recordlocale
VerifierMark Warman, Cleveland Metroparks
Size82.3 acres


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/25/2022].

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