Specimen Information

Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1653659
GroupPlants
GenusHydrocharis
Speciesmorsus-ranae
Common NameEuropean frogbit
StatePA
CountyCrawford
LocalityState Gamelands 213 Conneaut Marsh on the NW side of the Mercer Pike Road
Mapping AccuracyAccurate
HUC8 NameFrench
HUC8 Number05010004
HUC10 NameConneaut Outlet
HUC10 Number0501000407
HUC12 NameRock Creek-Conneaut Outlet
HUC12 Number050100040703
Map

NAS ARM
Collection Day26
Collection Month10
Collection Year2020
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker
Statusestablished
Record TypeNAS sighting report
VerifierIan Pfingsten
Freshwater/MarineFreshwater
Photo
Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
Hydrocharis morsus-ranae

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/17/2026].

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.