| Name | Polanisia erosa subsp. erosa |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Polanisia erosa (Nuttall) Iltis |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Polanisia erosa subsp. erosa |
| Identification made in | 1957 (2), 2010 (1) |