| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1426021 | WI | Fond du Lac | De Neveu Creek at E Scott St | 2014 | 04030203 | Lake Winnebago | established |
| 1426424 | WI | Fond du Lac | De neveu Creek at Winnebago Dr | 2014 | 04030203 | Lake Winnebago | established |
| 1426473 | WI | Fond du Lac | DeNeveu Lake | 2017 | 04030203 | Lake Winnebago | established |
| 1426366 | WI | Fond du Lac | East Branch Fond Du Lac River Immediately Below 12 St. | 2015 | 04030203 | Lake Winnebago | established |
| 1425019 | WI | Fond du Lac | Lake Winnebago - Lakeside West Park - Supple Marsh | 2015 | 04030203 | Lake Winnebago | established |
| 1422984 | WI | Fond du Lac | Taycheedah Creek at Winnebago Dr | 2015 | 04030203 | Lake Winnebago | established |
| 1423017 | WI | Fond du Lac | Taycheedah Creek above Ducharme Pkwy | 2015 | 04030203 | Lake Winnebago | established |
| 1423440 | WI | Fond du Lac | Unnamed Trib to Fond du Lac R at N Seymour St | 2014 | 04030203 | Lake Winnebago | established |
| 1424179 | WI | Calumet | Winnebago | 2017 | 04030203 | Lake Winnebago | established |
| 1424227 | WI | Winnebago | Winnebago | 2017 | 04030203 | Lake Winnebago | established |
| 1425020 | WI | Winnebago | Lake Winnebago - Vinland - Grundman Park - Osh-O-Nee | 2013 | 04030203 | Lake Winnebago | established |
| 1425251 | WI | Winnebago | Lake Winnebago - Oshkosh - 24th Street Access | 2013 | 04030203 | Lake Winnebago | established |
| 1548510 | WI | Fond du Lac | [No locality description provided] | 2000 | 04030203 | Lake Winnebago | 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