| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1612611 | MI | Mackinac | [No locality description provided] | 2018 | 04030114 | Millecoquins Lake-Brevoort River | established |
| 1613652 | MI | Mackinac | [Brevoort Lake] Hiawatha National Forest | 2017 | 04030114 | Millecoquins Lake-Brevoort River | established |
| 1692065 | MI | Mackinac | Brevoort Lake | 2018 | 04030114 | Millecoquins Lake-Brevoort River | unknown |
| 1890187 | MI | Mackinac | [No locality description provided] | 2025 | 04030114 | Millecoquins Lake-Brevoort River | |
Citation for this information:
U.S. Geological Survey, 2025,
Potamogeton crispus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/18/2025