| Name | Petasites palmata (Aiton) A. Gray |
| Authorship | (Aiton) A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petasites Miller |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Petasites palmata (Aiton) A. Gray |
| Identification made in | [no date] (9) |