Compositae Working Group (CWG) (2025). Global Compositae Database. Helianthus senex S.F.Blake. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1198031 on 2025-09-15
original description(1926). J. Wash. Acad. Sci. 16 page(s): 220 [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 senex S.F. Blake [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Journal of the Washington Academy of Sciences 16: [Tropicos] [details] LSID urn:lsid:compositae.org:names:29AA0ED4-FD3D-4A99-A617-AB70C2698411 [details] Type material 8-22 Jul 1922, 1572, F.Featherstone, T.Featherstone, W.Featherstone, J.F.Macbride, holotype F, isotype GH, isotype K, isotype S, isotype US [details]