| Name | Petasites frigidus var. palmatus (Aiton) Cronquist |
| Authorship | (Aiton) Cronquist |
| Rank | Variety |
| Placed in | Petasites frigidus (Linnaeus) Fries |
| GUID | urn:lsid:ipni.org:names:191107-2 |
| Holdings | 123 Specimens held in the Harvard University Herbaria identified as Petasites frigidus var. palmatus (Aiton) Cronquist |
| Identification made in | [no date] (123) |