.
| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 246831 | NY | Cattaraugus | Cattaraugus County | 2008 | 04120102 | Cattaraugus | collected |
| 246835 | NY | Allegany | Allegany County | 2008 | 04130002 | Upper Genesee | collected |
| 246834 | NY | Livingston | Livingston County | 2008 | 04130003 | Lower Genesee | collected |
| 246839 | NY | Seneca | Seneca County | 2008 | 04140201 | Seneca | collected |
| 246840 | NY | Cayuga | Cayuga County | 2008 | 04140201 | Seneca | collected |
| 246842 | NY | Tompkins | Tompkins County | 2008 | 04140201 | Seneca | collected |
| 246841 | NY | Schuyler | Schuyler County | 2008 | 04140201 | Seneca | collected |
| 246836 | NY | Ontario | Ontario County | 2008 | 04140201 | Seneca | collected |
| 246837 | NY | Yates | Yates County | 2008 | 04140201 | Seneca | collected |
| 246851 | NY | Oneida | Oneida County | 2008 | 04140202 | Oneida | collected |
| 246845 | NY | Oswego | Oswego County | 2008 | 04140203 | Oswego | collected |
| 246852 | NY | Madison | Madison County | 2008 | 04140202 | Oneida | collected |
| 246856 | NY | Herkimer | Herkimer County | 2008 | 04140301 | Black | collected |
Citation for this information:
U.S. Geological Survey, 2024,
Agrostis gigantea: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 5/2/2024