Compositae Working Group (CWG) (2025). Global Compositae Database. Helianthus grandiceps S.F.Blake. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1198487 on 2025-04-23
original descriptionBlake, S.F. (1924). New American Asteraceae. <em>Contr. U.S. Natl. Herb.</em> 22: 587-661. page(s): 621 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record S.F. Blake [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus grandiceps S.F. Blake [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Contributions from the United States National Herbarium 22(8): [Tropicos] [details] LSID urn:lsid:compositae.org:names:24CE564B-ABC9-4222-8AAA-AD9C2CE548DA [details] Type material 19 Aug 1918, 22231, J.N.Rose, G.Rose, holotype US, isotype GH, isotype NY [details]