Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
Plants
Exotic
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14 results for Hydrocharis morsus-ranae (European frogbit)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1697941 PACrawford[No locality description provided]2020 05010004 French 
1744763 PACrawford[No locality description provided]2020 05010004 French 
1746916 PACrawford[No locality description provided]2021 05010004 French 
1708613 PACrawford[No locality description provided]2021 05010004 French 
1677432 PACrawford[No locality description provided]2021 05010004 French 
1843978 PACrawford[No locality description provided]2021 05010004 French 
1838469 PACrawfordConneaut Marsh (CRAWFORD)2020 05010004 French 
1843830 PACrawfordConneaut Marsh (CRAWFORD)2021 05010004 French 
1843832 PACrawfordConneaut Marsh (CRAWFORD)2021 05010004 French 
1863367 PACrawfordConneaut Marsh (CRAWFORD)2023 05010004 French 
1863411 PACrawfordConneaut Marsh (CRAWFORD)2023 05010004 French 
1680217 PACrawfordGeneva/Conneaut Swamp2020 05010004 Frenchunknown
1653659 PACrawfordState Gamelands 213 Conneaut Marsh on the NW side of the Mercer Pike Road2020 05010004 Frenchestablished
1878436 PAEriesmall pond off Carter Hill Rd, north of Follett Rd, at headwater of Baskin Run2025 05010004 French 

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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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 [11/15/2025].

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