Specimen Information

Hydrilla verticillata peregrina
Hydrilla verticillata peregrina
(wandering hydrilla)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1687210
GroupPlants
GenusHydrilla
Speciesverticillata
Subspeciesperegrina
Common Namewandering hydrilla
StateMA
CountyMiddlesex
LocalitySmall pond next to Muraco Elementary School, Winchester, MA.
Mapping AccuracyAccurate
HUC8 NameCharles
HUC8 Number01090001
HUC10 NameMystic River-Frontal Boston Harbor
HUC10 Number0109000105
HUC12 NameAberjona River
HUC12 Number010900010501
Map
Collection Day31
Collection Month5
Collection Year2021
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
CommentsVery abundant here, it's outcompeting native Elodea species. Also on iNaturalist: https://www.inaturalist.org/observations/81110667 https://www.inaturalist.org/observations/81959776
Record TypeNAS sighting report
Earliest Recordlocale
VerifierIan Pfingsten
Freshwater/MarineFreshwater
Photo
Hydrilla verticillata peregrina

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/6/2025].

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