| Arnica unalaschkensis Less. | |
| Publ. & Syn. | Less., Linnaea 6: 238 (1831). Described from Unalaska in the Aleutian Island (Alaska). |
| Chromosomes | 38 ca. 40 (2x). - Far East (N, S). - At least four reports. |
| Geography | Asian Pacific - amphi-Beringian (W): ALA. |
| Distribution | N = S E = R AW = r [ key ] |
| Parent taxon | Arnica L. |
| PAF ID | 861204 |