.
| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 246951 | WI | Ashland | Ashland County | 2008 | 04010302 | Bad-Montreal | collected |
| 247012 | WI | Manitowoc | Manitowoc County | 2008 | 04030101 | Manitowoc-Sheboygan | collected |
| 247013 | WI | Sheboygan | Sheboygan County | 2008 | 04030101 | Manitowoc-Sheboygan | collected |
| 247009 | WI | Kenosha | Kenosha County | 2008 | 04040002 | Pike-Root | collected |
| 247003 | WI | Green Lake | Green Lake County | 2008 | 04030201 | Upper Fox | collected |
| 247001 | WI | Waushara | Waushara County | 2008 | 04030201 | Upper Fox | collected |
| 246998 | WI | Waupaca | Waupaca County | 2008 | 04030202 | Wolf | collected |
| 246974 | WI | Oconto | Oconto County | 2008 | 04030104 | Oconto | collected |
| 246949 | WI | Douglas | Douglas County | 2008 | 04180000 | Lake Superior | collected |
| 246952 | WI | Iron | Iron County | 2008 | 04180000 | Lake Superior | collected |
| 246963 | WI | Forest | Forest County | 2008 | 04030202 | Wolf | collected |
| 246975 | WI | Door | Door County | 2008 | 04190000 | Lake Michigan | collected |
| 247002 | WI | Marquette | Marquette County | 2008 | 04030201 | Upper Fox | collected |
| 247006 | WI | Fond du Lac | Fond du Lac County | 2008 | 04040003 | Milwaukee | 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