Hydrocharis morsus-ranae
Hydrocharis morsus-ranae
(European frogbit)
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Exotic
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790 results for Hydrocharis morsus-ranae (European frogbit)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1468909 MEKennebecBog Brook cove, NE Cobbosseecontee Lake2018 01030003 Lower Kennebec Riverestablished
1524496 MEKennebecCobbossee Lake2018 01030003 Lower Kennebec Riverestablished
1872582 MEKennebecCobbosseecontee Lake2018 01030003 Lower Kennebec River 
1464394 MIAlpena[Negwegon State Park]2018 04240002 Lake Huronestablished
1464393 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
1611866 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611867 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611868 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611869 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611870 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611873 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611874 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611875 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611876 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611887 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611888 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611889 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611890 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611891 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
1611854 MIAlpena[No locality description provided]2018 04070003 Lone Lake-Ocqueocestablished
1611857 MIAlpena[No locality description provided]2018 04240002 Lake Huronestablished
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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 [2/22/2026].

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.