| Name | Arnica longifolia subsp. genuina Maguire |
| Authorship | Maguire |
| Rank | Subspecies |
| NomenclaturalStatus | NomInvalid |
| Placed in | Arnica longifolia D. C. Eaton |
| Remarks | Infraspecific names with "genuina" as the epithet are invalid and do NOT have types |
| Citation | 1943 Brittonia 4(3): 457 |