| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1552425 | WI | Vilas | [No locality description provided] | 2006 | 04020101 | Black-Presque Isle | established |
| 1552426 | WI | Vilas | [No locality description provided] | 2006 | 04020101 | Black-Presque Isle | established |
| 1552490 | WI | Vilas | [No locality description provided] | 2006 | 04020101 | Black-Presque Isle | established |
| 1552495 | WI | Vilas | [No locality description provided] | 2006 | 04020101 | Black-Presque Isle | established |
| 1552540 | WI | Iron | [No locality description provided] | 2007 | 04020101 | Black-Presque Isle | established |
| 1555529 | WI | Vilas | [No locality description provided] | 2010 | 04020101 | Black-Presque Isle | established |
| 1555550 | WI | Vilas | [No locality description provided] | 2010 | 04020101 | Black-Presque Isle | 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