Specimen Information

Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
Plants
Exotic

Specimen ID1658517
GroupPlants
GenusHydrocharis
Speciesmorsus-ranae
Common NameEuropean frogbit
StatePA
CountyMercer
LocalityBoat Launch 3 at Lake Wilhelm in Maurice K. Goddard State Park
Mapping AccuracyAccurate
HUC8 NameMiddle Allegheny-Tionesta
HUC8 Number05010003
HUC10 NameSandy Creek
HUC10 Number0501000308
HUC12 NameSandy Creek-Sandy Lake Dam
HUC12 Number050100030801
Map
+
Collection Day21
Collection Month7
Collection Year2017
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
CommentsReliable observers that have shared images found a small patch that was hand-pulled, but reported it possible to be in other portions of the lake which was later confirmed. Herbicide applied in July 2020 and June 2021
Record TypePersonal communication
Earliest Recordlocale
DisposalTreated
VerifierPennsylvania Department of Conservation and Natural Resources
Freshwater/MarineFreshwater


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 [11/26/2021].

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.