| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 246095 | WI | Sheboygan | Sheboygan County | 2008 | 04030101 | Manitowoc-Sheboygan | collected |
| 246361 | WI | Manitowoc | East Twin River, near Two Rivers, WI | 1985 | 04030101 | Manitowoc-Sheboygan | collected |
| 246384 | WI | Sheboygan | Black River, near Lake Michigan | 1986 | 04030101 | Manitowoc-Sheboygan | collected |
| 1424055 | WI | Calumet | Becker Lake | 2014 | 04030101 | Manitowoc-Sheboygan | established |
| 1426123 | WI | Sheboygan | Dewitt Road-Cedar Grove | 2015 | 04030101 | Manitowoc-Sheboygan | established |
| 1423580 | WI | Manitowoc | Harpt Lake | 2014 | 04030101 | Manitowoc-Sheboygan | established |
| 1425749 | WI | Sheboygan | Little Elkhart Lake | 2014 | 04030101 | Manitowoc-Sheboygan | established |
| 1425712 | WI | Manitowoc | Long Lake (lake as a whole) | 2011 | 04030101 | Manitowoc-Sheboygan | established |
| 1425937 | WI | Manitowoc | Manitowoc River | 2014 | 04030101 | Manitowoc-Sheboygan | established |
| 1425948 | WI | Manitowoc | Manitowoc River - Henry Schuette Park | 2014 | 04030101 | Manitowoc-Sheboygan | established |
| 1422557 | WI | Calumet | Spring Creek, Glenview Tesch, Brillion | 2016 | 04030101 | Manitowoc-Sheboygan | established |
| 1427751 | WI | Manitowoc | Silver Lake | 2015 | 04030101 | Manitowoc-Sheboygan | established |
| 1427081 | WI | Sheboygan | PL - intersection of WI 67 and Garton Road | 2012 | 04030101 | Manitowoc-Sheboygan | established |
| 1427485 | WI | Sheboygan | Sheboygan River - Esslingen Park | 2016 | 04030101 | Manitowoc-Sheboygan | established |
| 1427515 | WI | Sheboygan | Sheboygan River - Kiwanis Park | 2016 | 04030101 | Manitowoc-Sheboygan | established |
| 1427532 | WI | Sheboygan | Sheboygan River at 8th Street | 2015 | 04030101 | Manitowoc-Sheboygan | established |
Citation for this information:
U.S. Geological Survey, 2025,
Lythrum salicaria: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/13/2025