Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
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Exotic
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4155 results for Hydrocharis morsus-ranae (European frogbit)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1699242 MIAlcona[No locality description provided]2021 04240002 Lake Huron 
1700669 MIAlcona[No locality description provided]2022 04070003 Lone Lake-Ocqueoc 
1464393 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464394 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464395 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464396 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464397 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464398 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1559108 MIAlpena[No locality description provided]2013 04240002 Lake Huronestablished
1559155 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559125 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559126 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559134 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559070 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559072 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559073 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559079 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559080 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559123 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559124 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559127 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559128 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559129 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559130 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
1559131 MIAlpena[No locality description provided]2013 04070006 Thunder Bayestablished
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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.