Compositae Working Group (CWG) (2021). Global Compositae Database. Helenium autumnale var. grandiflorum (Nutt.) Voss. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1163764 on 2024-05-13
original description(1894). Vilm. Blumengärtn., ed. 3. 1 page(s): 495 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helenium autumnale L. var. grandiflorum (Nutt.) Voss [IPNI] [details] LSID urn:lsid:compositae.org:names:0B9C4182-4E23-426A-A6AB-BFD79F04612B [details]