Specimen Information

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

Specimen ID1670476
GroupPlants
GenusHydrilla
Speciesverticillata [monoecious]
Common Namemonoecious hydrilla
StateOH
CountyDelaware
LocalityAlum Creek State Park - multiple locations
Mapping AccuracyAccurate
HUC8 NameUpper Scioto
HUC8 Number05060001
HUC10 NameHeadwaters Alum Creek
HUC10 Number0506000114
HUC12 NameBig Run-Alum Creek
HUC12 Number050600011403
Map

NAS ARM

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Collection Day7
Collection Month10
Collection Year2021
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
CommentsObserved by ODNR Fisheries staff during annual sampling. Multiple locations throughout waterbody. From N. Radabaugh: Most of the shoreline sampled had thick patches of hydrilla in water less than 6ft, and shallow bays were even more extensively covered. Some of the worst areas seemed to be in the Big Run arm of the lake (the west arm where the lake breaks into two). This area is shallower than the main lake and had areas of hydrilla growing from shore out several hundred feet into depths of around 8ft.
Record TypeNAS sighting report
Earliest Recordlocale
VerifierIan Pfingsten
Freshwater/MarineFreshwater
Number Collected10000
Photo






Disclaimer:

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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.