| Name | Arnica rhizomata A. Nelson |
| Authorship | A. Nelson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arnica Linnaeus |
| GUID | urn:lsid:ipni.org:names:179041-1 |
| Citation | 1901 Bot. Gaz. 31: 407 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arnica rhizomata A. Nelson |
| Identification made in | [no date] (2) |
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