| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 878058 | MI | Livingston | Livingston County | 2011 | 04080203 | Shiawassee | established |
| 1567567 | MI | Genesee | [Lake Fenton] [No locality description provided] | 2016 | 04080203 | Shiawassee | established |
| 1611361 | MI | Livingston | [Thompson Lake] [No locality description provided] | 2018 | 04080203 | Shiawassee | established |
| 1607493 | MI | Saginaw | [No locality description provided] | 2017 | 04080203 | Shiawassee | established |
| 1692029 | MI | Livingston | Bennett Lake | 2019 | 04080203 | Shiawassee | unknown |
| 1692038 | MI | Livingston | Lake Chemung | 2020 | 04080203 | Shiawassee | unknown |
| 1885292 | MI | Livingston | Lake Chemung | 2021 | 04080203 | Shiawassee | established |
Citation for this information:
U.S. Geological Survey, 2025,
Myriophyllum spicatum: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/5/2025