| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 877278 | OH | Lorain | | 2015 | 04110001 | Black-Rocky | established |
| 1694318 | OH | Cuyahoga | Beech Hill wetlands | 2020 | 04110001 | Black-Rocky | unknown |
| 1694319 | OH | Cuyahoga | Fowles Marsh | 2020 | 04110001 | Black-Rocky | unknown |
| 1694320 | OH | Cuyahoga | Hepburn wetlands | 2020 | 04110001 | Black-Rocky | unknown |
| 1694322 | OH | Cuyahoga | Wetlands around Beyers Pond | 2020 | 04110001 | Black-Rocky | unknown |
| 1694323 | OH | Cuyahoga | Lake Isaac wetlands | 2020 | 04110001 | Black-Rocky | unknown |
| 1694324 | OH | Cuyahoga | Beyers Pond | 2020 | 04110001 | Black-Rocky | unknown |
| 1694335 | OH | Cuyahoga | Kason Swamp | 2020 | 04110001 | Black-Rocky | unknown |
| 1694336 | OH | Cuyahoga | Rocky river nature center wetland (3) | 2020 | 04110001 | Black-Rocky | unknown |
| 1694337 | OH | Cuyahoga | Rocky river nature center wetland (3) | 2020 | 04110001 | Black-Rocky | unknown |
| 1694340 | OH | Cuyahoga | Baldwin Lake | 2020 | 04110001 | Black-Rocky | unknown |
| 1694341 | OH | Cuyahoga | Wallace Lake | 2020 | 04110001 | Black-Rocky | unknown |
| 1713373 | OH | Lorain | Columbia Pond 5 | 2022 | 04110001 | Black-Rocky | |
| 1713374 | OH | Lorain | Columbia Pond 2 | 2022 | 04110001 | Black-Rocky | |
| 1713375 | OH | Lorain | Columbia Pond 1 | 2022 | 04110001 | Black-Rocky | |
| 1713378 | OH | Cuyahoga | Oxbow lagoon | 2022 | 04110001 | Black-Rocky | |
| 1694342 | OH | Medina | Wetland west of Judge's Lake | 2020 | 04110001 | Black-Rocky | unknown |
Citation for this information:
U.S. Geological Survey, 2025,
Phalaris arundinacea: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/17/2025