GLANSIS

Hydrocharis morsus-ranae

European frogbit

Collection Information for Hydrocharis morsus-ranae

Results limited to HUC #04290001.
To see the collection list for the entire Great Lakes region, click here.
To see the collection list for the entire United States, click here.
Results also available in (click to export table to spreadsheet)

(click table headers to sort)

Specimen ID	State	County	Locality	Year	HUC Number	Drainage Name	Status
233948	NY	Jefferson	Kring Point, Kring Point State Park	1979	04290001	Headwaters St. Lawrence River	established
866558	NY	Jefferson	[No locality provided]	2012	04290001	Headwaters St. Lawrence River	established
866560	NY	Jefferson	[No locality provided]	2012	04290001	Headwaters St. Lawrence River	established
866565	NY	Jefferson	[No locality provided]	2012	04290001	Headwaters St. Lawrence River	established
866568	NY	Jefferson	[No locality provided]	2012	04290001	Headwaters St. Lawrence River	established
866609	NY	Jefferson	[No locality provided]	2014	04290001	Headwaters St. Lawrence River	established
866610	NY	Jefferson	[No locality provided]	2014	04290001	Headwaters St. Lawrence River	established
866615	NY	Jefferson	[No locality provided]	2014	04290001	Headwaters St. Lawrence River	established
866675	NY	Jefferson	[No locality provided]	2014	04290001	Headwaters St. Lawrence River	established
888151	NY	Jefferson	Crooked Creek	2013	04290001	Headwaters St. Lawrence River	established
1653844	NY	Jefferson	Jefferson County, NY, USA	2019	04290001	Headwaters St. Lawrence River	established
1653938	NY	Jefferson	Clayton, NY, US	2020	04290001	Headwaters St. Lawrence River	established
1656985	NY	Jefferson	Grindstone Island. Flynn Bay.	1994	04290001	Headwaters St. Lawrence River	established
1656986	NY	Jefferson	Cranberry Creek. Coastal marsh that extends along the margins of the creek until it meets the St. Lawrence River.	1994	04290001	Headwaters St. Lawrence River	established
1700866	NY	Jefferson	[No locality description provided]	2022	04290001	Headwaters St. Lawrence River
1740498	NY	Jefferson	[No locality description provided]	2022	04290001	Headwaters St. Lawrence River
1680000	NY	Jefferson	[No locality description provided]	2021	04290001	Headwaters St. Lawrence River
1675388	NY	Jefferson	[No locality description provided]	2020	04290001	Headwaters St. Lawrence River
1740468	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1740469	NY	Jefferson	[No locality description provided]	2021	04290001	Headwaters St. Lawrence River
1759949	NY	Jefferson	[No locality description provided]	2013	04290001	Headwaters St. Lawrence River
1809670	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809672	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809677	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809680	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809718	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809719	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809720	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809722	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809723	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809724	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809725	NY	Jefferson	Saint Lawrence River	2012	04290001	Headwaters St. Lawrence River
1809732	NY	Jefferson	[No locality description provided]	2011	04290001	Headwaters St. Lawrence River
1813416	NY	Jefferson	[No locality description provided]	2014	04290001	Headwaters St. Lawrence River
1813417	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813419	NY	Jefferson	[No locality description provided]	2014	04290001	Headwaters St. Lawrence River
1813422	NY	Jefferson	[No locality description provided]	2014	04290001	Headwaters St. Lawrence River
1813423	NY	Jefferson	[No locality description provided]	2014	04290001	Headwaters St. Lawrence River
1813425	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813543	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813588	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813589	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813590	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813591	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813592	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813593	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813594	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813595	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813596	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813597	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813598	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813599	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1813600	NY	Jefferson	Saint Lawrence River	2014	04290001	Headwaters St. Lawrence River
1818065	NY	Jefferson	[No locality description provided]	2015	04290001	Headwaters St. Lawrence River
1818067	NY	Jefferson	[No locality description provided]	2015	04290001	Headwaters St. Lawrence River
1818068	NY	Jefferson	[No locality description provided]	2015	04290001	Headwaters St. Lawrence River
1818069	NY	Jefferson	Saint Lawrence River	2015	04290001	Headwaters St. Lawrence River
1825068	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825069	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825094	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825095	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825736	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825737	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825742	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825743	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825754	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825755	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825987	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825988	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825756	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825981	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825982	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825983	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825984	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825985	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1825986	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1826045	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826046	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1826047	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1826048	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826049	NY	Jefferson	[No locality description provided]	2016	04290001	Headwaters St. Lawrence River
1826051	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826053	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826064	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826066	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1826067	NY	Jefferson	Saint Lawrence River	2017	04290001	Headwaters St. Lawrence River
1826068	NY	Jefferson	[No locality description provided]	2017	04290001	Headwaters St. Lawrence River
1833949	NY	Jefferson	[No locality description provided]	2018	04290001	Headwaters St. Lawrence River
1834140	NY	Jefferson	[No locality description provided]	2019	04290001	Headwaters St. Lawrence River
1836973	NY	Jefferson	[No locality description provided]	2020	04290001	Headwaters St. Lawrence River
1838333	NY	Jefferson	[No locality description provided]	2020	04290001	Headwaters St. Lawrence River
1838437	NY	Jefferson	[No locality description provided]	2020	04290001	Headwaters St. Lawrence River
1844446	NY	Jefferson	Saint Lawrence River	2021	04290001	Headwaters St. Lawrence River
1844449	NY	Jefferson	Saint Lawrence River	2021	04290001	Headwaters St. Lawrence River
1844450	NY	Jefferson	Saint Lawrence River	2021	04290001	Headwaters St. Lawrence River
1861786	NY	Jefferson	[No locality description provided]	2023	04290001	Headwaters St. Lawrence River
1861787	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River
1861788	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River
1861789	NY	Jefferson	[No locality description provided]	2023	04290001	Headwaters St. Lawrence River
1861790	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River
1861791	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River
1861792	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River
1861793	NY	Jefferson	[No locality description provided]	2023	04290001	Headwaters St. Lawrence River
1861795	NY	Jefferson	[No locality description provided]	2023	04290001	Headwaters St. Lawrence River
1861796	NY	Jefferson	Saint Lawrence River	2023	04290001	Headwaters St. Lawrence River

Citation for this information:
U.S. Geological Survey, 2025, Hydrocharis morsus-ranae: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/20/2025