Compositae Working Group (CWG) (2021). Global Compositae Database. Arnica amplexicaulis Nutt.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1178561 on 2025-03-24
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Trans. Amer. Philos. Soc. , n.s., 7 [Govaerts World Compositae Checklist A-G] Transactions of the American Philosophical Society, new series, 7: [Tropicos] [details] LSID urn:lsid:compositae.org:names:EE97C46C-477F-4993-B4E6-460B2CC77751 [details] Taxonomy 2 Apr 1841 [details] Type material s.n., T.Nuttall, holotype BM, isotype GH UC(PHOTO) (PHOTO) [details]