Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
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Exotic
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232 results for Hydrocharis morsus-ranae (European frogbit)
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Page:12345678910
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1872623 MEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1872624 MEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1872660 MEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1699242 MIAlcona[No locality description provided]2021 04240002 Lake Huron 
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
1698997 MIBay[No locality description provided]2021 04240002 Lake Huron 
1699017 MIBay[No locality description provided]2021 04240002 Lake Huron 
1700268 MIBay[No locality description provided]2021 04080102 Kawkawlin-Pine 
1680204 MICheboygancounty non-specific2021  unknown
1680221 MIChippewaMaxton Bay, Drummond Island2021 04240002 Lake Huronunknown
1680220 MIChippewaParadise Point Detour2021 04240002 Lake Huronunknown
1699208 MIIngham[No locality description provided]2021 04050004 Upper Grand 
1680218 MIMackinacBoulevard Drive, St. Ignace, MI2021 04190000 Lake Michiganunknown
1680219 MIMackinacPonchartrain Shores, MI2021 04240002 Lake Huronunknown
1699133 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1699022 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1699062 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1699344 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1699418 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1699592 MIMacomb[No locality description provided]2021 04090002 Lake St. Clair 
1680205 MIMasoncounty non-specific2021  unknown
1680212 MIMasonLincoln Lake2021 04060101 Pere Marquette-Whiteunknown
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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.

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 [2/21/2026].

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.