Specimen Information

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

Specimen ID235541
Speciesverticillata [monoecious]
Common Namemonoecious hydrilla
LocalityLake Mallard, Medford, downstream of Lake Kingfisher in the Tamarac Lakes community, located in the Pinelands National Reserve
Mapping AccuracyAccurate
HUC8 NameLower Delaware
HUC8 Number02040202
HUC10 NameSouth Branch Rancocas Creek
HUC10 Number0204020202
HUC12 NameBarton Run-Southwest Branch Rancocas Creek
HUC12 Number020402020202
Collection Day5
Collection Month8
Collection Year2003
Year AccuracyActual
Potential Pathwayunknown
Reference 1
Ref. Number:27716
Author:Rybicki, N., J.D. Kirshtein, and M.A. Voytek.
Title:Molecular techniques to distinguish morphologically similar Hydrilla verticillata, Egeria densa, Elodea nuttallii, and Elodea canadensis
Journal:Journal of Aquatic Plant Management
CommentsHe has notified NJDEP Aquatic Pesticide Program, Natural Heritage Program and Fish and Game in NJ. As of April 2003, they had not found hydrilla in any of the other connected ponds.; PlantIDNotes: Most likely monoecious type. Leaves 0.6-1.4 cm in whorls of 4-5, with and without spines on midrib undersurface.; Waterbody Size: 1.5 ac CollectorNumber: Sullivan s.n. FLAS 216909
Record TypeSpecimen
DisposalFlorida Museum of Natural History, Herbarium
Museum Cat NumberFLAS 216909
VerifierJacono, C.


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 [10/2/2022].

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 general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.