| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 877249 | MI | Midland | Midland County | 2015 | 04080201 | Tittabawassee | established |
| 1567717 | MI | Midland | [No locality description provided] | 2016 | 04080201 | Tittabawassee | established |
| 1567744 | MI | Midland | [No locality description provided] | 2016 | 04080201 | Tittabawassee | established |
| 1567745 | MI | Midland | [No locality description provided] | 2016 | 04080201 | Tittabawassee | established |
| 1607615 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607616 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607617 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607618 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607619 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607620 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607621 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607622 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607623 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607624 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607625 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607626 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607628 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
| 1607632 | MI | Saginaw | [No locality description provided] | 2017 | 04080201 | Tittabawassee | established |
Citation for this information:
U.S. Geological Survey, 2025,
Phalaris arundinacea: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/18/2025