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

42 results for Hydrocharis morsus-ranae (European frogbit)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1680222 MIAlpenaAlpena Wildlife Sanctuary2021 04070006 Thunder Bayestablished
1680224 MIAlpenaFletcher Pond, Thunder Bay River Basin2021 04070006 Thunder Bayestablished
1680223 MIAlpenaLake Winyah2021 04070006 Thunder Bayestablished
1680225 MIAlpenaregion of Alpena, Michigan2021 04070006 Thunder Bayestablished
1680204 MICheboygancounty non-specific2021  unknown
1680221 MIChippewaMaxton Bay, Drummond Island2021 04240002 Lake Huronunknown
1680220 MIChippewaParadise Point Detour2021 04240002 Lake Huronunknown
1680218 MIMackinacBoulevard Drive, St. Ignace, MI2021 04190000 Lake Michiganunknown
1680219 MIMackinacPonchartrain Shores, MI2021 04240002 Lake Huronunknown
1680205 MIMasoncounty non-specific2021  unknown
1680212 MIMasonLincoln Lake2021 04060101 Pere Marquette-Whiteunknown
1691715 MIMasonLincoln River2021 04060101 Pere Marquette-Whiteestablished
1680226 MIOaklandNovi vicinity2021 04100013 Huronestablished
1680211 MIOttawaPigeon Lake2021 04050002 Black-Macatawaunknown
1676439 NYCayugaSterling, NY 13156, USA2021 04140101 Irondequoit-Ninemileunknown
1677406 NYDutchessLake Rd, Pine Plains, NY, US2021 02020008 Hudson-Wappingerunknown
1680025 NYErieUnity Island, Buffalo, NY, US2021 04270101 Niagara Riverunknown
1677445 NYJeffersonFlanders Rd, Three Mile Bay, NY, US2021 04280002 Lake Ontariounknown
1676330 NYJeffersonFort Drum2021 04290002 Indianunknown
1680000 NYJeffersonKring Point Rd, Redwood, NY, US2021 04290001 Headwaters St. Lawrence Riverunknown
1677395 NYJeffersonRedwood, NY 13679, USA2021 04290001 Headwaters St. Lawrence Riverunknown
1676295 NYMonroeMonroe, New York, United States2021 04280002 Lake Ontariounknown
1680010 NYOswegoScriba, NY, USA2021 04280002 Lake Ontariounknown
1676365 NYSt. LawrenceHammond2021 04290002 Indianunknown
1680003 NYSt. LawrenceNorwood Lake2021 04290005 Raquetteunknown

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.


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 [7/2/2022].

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