| Name | Arnica amplexicaulis Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arnica Linnaeus |
| GUID | urn:lsid:ipni.org:names:178878-1 |
| Citation | 1841 Trans. Amer. Philos. Soc. II, 7: 408 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arnica amplexicaulis Nuttall |
| Identification made in | [no date] (1) |
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