Compositae Working Group (CWG) (2021). Global Compositae Database. Helenium macranthum Rydb.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1197779 on 2025-04-04
original description(1915). N. Amer. Fl. 34(2) page(s): 127 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record North American Flora 34(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:8B74CA8B-12FA-4E61-9DA6-AA0823D5BB71 [details] Taxonomic remark Replacement name for Helenium grandiflorum Nutt. [details] Taxonomy 28 Jul 1915 [details]