| Name | Arnica louiseana Farr |
| Authorship | Farr |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arnica Linnaeus |
| GUID | urn:lsid:ipni.org:names:178988-1 |
| Citation | 1906 Ottawa Naturalist 20: 109 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arnica louiseana Farr |
| Identification made in | [no date] (1) |
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