| Name | Arnica diversifolia Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arnica Linnaeus |
| GUID | urn:lsid:ipni.org:names:19917-2 |
| Citation | 1900 Pittonia 4: 171 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arnica diversifolia Greene |
| Identification made in | [no date] (2) |