| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1694175 | OH | Cuyahoga | Sunset Pond | 2020 | 04110003 | Ashtabula-Chagrin | unknown |
| 1713233 | OH | Cuyahoga | Acacia Residential Edge Pond | 2022 | 04110003 | Ashtabula-Chagrin | |
| 1713234 | OH | Cuyahoga | Sunset pond | 2022 | 04110003 | Ashtabula-Chagrin | |
| 1873435 | OH | Ashtabula | Ashtabula | 2022 | 04110003 | Ashtabula-Chagrin | |
| 1891315 | OH | Cuyahoga | [No locality description provided] | 2025 | 04110003 | Ashtabula-Chagrin | |
| 1891316 | OH | Cuyahoga | [No locality description provided] | 2025 | 04110003 | Ashtabula-Chagrin | |
| 1891318 | OH | Cuyahoga | [No locality description provided] | 2025 | 04110003 | Ashtabula-Chagrin | |
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