| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 243896 | MI | Tuscola | NE of Quanicassee | 2001 | 04080103 | Pigeon-Wiscoggin | collected |
| 256840 | MI | Bay | W. Hampton Rd, east of Essexville, MI (NE edge of Bay City) | 2008 | 04080103 | Pigeon-Wiscoggin | established |
| 256844 | MI | Bay | Near Saginaw Bay at Quanicassee, MI, east of Bay City | 2008 | 04080103 | Pigeon-Wiscoggin | established |
| 257486 | MI | Huron | Near Saginaw Bay, just north of Sebewaing, MI | 2008 | 04080103 | Pigeon-Wiscoggin | established |
| 260440 | MI | Tuscola | Akron Twp. | 2008 | 04080103 | Pigeon-Wiscoggin | established |
| 1600110 | MI | Tuscola | [No locality description provided] | 2012 | 04080103 | Pigeon-Wiscoggin | established |
| 1600111 | MI | Tuscola | [No locality description provided] | 2012 | 04080103 | Pigeon-Wiscoggin | established |
| 1563154 | MI | Bay | [No locality description provided] | 2014 | 04080103 | Pigeon-Wiscoggin | established |
| 260456 | MI | Tuscola | M-25 near Vanderbilt County Park | 2008 | 04080103 | Pigeon-Wiscoggin | established |
| 1598621 | MI | Bay | [No locality description provided] | 2012 | 04080103 | Pigeon-Wiscoggin | established |
| 1595163 | MI | Tuscola | [No locality description provided] | 2011 | 04080103 | Pigeon-Wiscoggin | established |
| 1595164 | MI | Tuscola | [No locality description provided] | 2011 | 04080103 | Pigeon-Wiscoggin | established |
| 1567762 | MI | Bay | [No locality description provided] | 2016 | 04080103 | Pigeon-Wiscoggin | established |
| 1557635 | MI | Huron | [No locality description provided] | 2013 | 04080103 | Pigeon-Wiscoggin | established |
| 260441 | MI | Tuscola | Akron Twp. | 2008 | 04080103 | Pigeon-Wiscoggin | 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