| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 229266 | NY | Tompkins | Ithaca, near the city | 1886 | 04140201 | Seneca | established |
| 246125 | NY | Wayne | Wayne County | 2008 | 04140201 | Seneca | collected |
| 246126 | NY | Schuyler | Schuyler County | 2008 | 04140201 | Seneca | collected |
| 1473403 | NY | Cayuga | Carr's Cove, Union Springs | 2018 | 04140201 | Seneca | established |
| 1473655 | NY | Cayuga | [Owasco Flats, S of Owasco Lake] | 2017 | 04140201 | Seneca | established |
| 1473656 | NY | Cayuga | [Owasco Inlet] | 2018 | 04140201 | Seneca | established |
| 1653707 | NY | Wayne | 1201 1205 Van Dyne Spoor Rd, Savannah, NY, US | 2016 | 04140201 | Seneca | established |
| 1653717 | NY | Tompkins | 14850, Dryden, NY, US | 2017 | 04140201 | Seneca | established |
| 1653808 | NY | Tompkins | Northeast Ithaca--Cigarette Alley | 2019 | 04140201 | Seneca | established |
| 1653815 | NY | Cayuga | Brutus, NY, USA | 2019 | 04140201 | Seneca | established |
| 1653816 | NY | Yates | Yates County, NY, USA | 2019 | 04140201 | Seneca | established |
| 1653824 | NY | Seneca | 762 Waterloo Geneva Rd, Waterloo, NY, US | 2019 | 04140201 | Seneca | established |
| 1653841 | NY | Tompkins | 127 Caroline Depot Rd, Brooktondale, NY, US | 2019 | 04140201 | Seneca | established |
| 1653878 | NY | Seneca | Armitage Rd, Seneca Falls, NY, US | 2020 | 04140201 | Seneca | established |
| 1653892 | NY | Onondaga | Liverpool, NY, USA | 2020 | 04140201 | Seneca | established |
| 1655164 | NY | Tompkins | Cayuga Lake | 1882 | 04140201 | Seneca | established |
| 1890272 | NY | Seneca | [No locality description provided] | 2025 | 04140201 | Seneca | |
| 1890692 | NY | Schuyler | [No locality description provided] | 2025 | 04140201 | Seneca | |
| 1892577 | NY | Onondaga | [No locality description provided] | 2025 | 04140201 | Seneca | |
Citation for this information:
U.S. Geological Survey, 2026,
Iris pseudacorus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/21/2026