| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 866318 | NY | Monroe | [No locality provided] | 2013 | 04130003 | Lower Genesee | established |
| 1556653 | NY | Monroe | [No locality description provided] | 2013 | 04130003 | Lower Genesee | established |
| 1556659 | NY | Monroe | [No locality description provided] | 2013 | 04130003 | Lower Genesee | established |
| 1556651 | NY | Monroe | [No locality description provided] | 2013 | 04130003 | Lower Genesee | established |
| 1698758 | NY | Monroe | [No locality description provided] | 2019 | 04130003 | Lower Genesee | |
| 1808968 | NY | Monroe | [No locality description provided] | 2013 | 04130003 | Lower Genesee | |
| 1822861 | NY | Monroe | [No locality description provided] | 2016 | 04130003 | Lower Genesee | |
| 1825417 | NY | Monroe | Genesee River | 2017 | 04130003 | Lower Genesee | |
| 1826313 | NY | Monroe | Genesee River | 2017 | 04130003 | Lower Genesee | |
| 1859072 | NY | Ontario | Honeoye Lake | 2023 | 04130003 | Lower Genesee | |
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