| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1834284 | NY | Erie | [No locality description provided] | 2019 | 04120103 | Buffalo-Eighteenmile | |
| 1853821 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853822 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853823 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853825 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853826 | NY | Erie | Green Lake | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853827 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853828 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853829 | NY | Erie | Green Lake | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853830 | NY | Erie | Green Lake | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1853831 | NY | Erie | Green Lake | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1854361 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1854362 | NY | Erie | [No locality description provided] | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1854363 | NY | Erie | Green Lake | 2022 | 04120103 | Buffalo-Eighteenmile | |
| 1858996 | NY | Erie | [No locality description provided] | 2023 | 04120103 | Buffalo-Eighteenmile | |
| 1859002 | NY | Erie | [No locality description provided] | 2023 | 04120103 | Buffalo-Eighteenmile | |
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