| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 862399 | OH | Lake | | 2010 | 04110003 | Ashtabula-Chagrin | established |
| 1657365 | OH | Ashtabula | Geneva State Park | 2010 | 04110003 | Ashtabula-Chagrin | established |
| 1657381 | OH | Lake | Mentor Marsh State Nature Preserve | 2010 | 04110003 | Ashtabula-Chagrin | established |
| 1657385 | OH | Lake | Mentor Marsh State Nature Preserve | 2010 | 04110003 | Ashtabula-Chagrin | established |
| 1669407 | OH | Lake | Madison Twp. Arcola Creek Lake Metropark; Area managed by Lake Metropark; western shoreline of main marsh, just west of observation deck. | 2004 | 04110003 | Ashtabula-Chagrin | unknown |
| 1669494 | OH | Lake | Madison Twp. Arcola Creek Lake Metropark; Area managed by Lake Metropark; western shoreline of main marsh, just west of observation deck. | 2004 | 04110003 | Ashtabula-Chagrin | unknown |
| 1657392 | OH | Lake | Mentor Marsh State Nature Preserve | 2010 | 04110003 | Ashtabula-Chagrin | established |
| 1694313 | OH | Geauga | Walter C. Best Pond | 2020 | 04110003 | Ashtabula-Chagrin | unknown |
| 1694314 | OH | Cuyahoga | Acacia Middle Pond | 2020 | 04110003 | Ashtabula-Chagrin | unknown |
Citation for this information:
U.S. Geological Survey, 2026,
Phragmites australis australis: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/21/2026