Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus diffusus Sims. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1106069 on 2024-05-15
original description(1818). Bot. Mag. 45 page(s): t. 2020 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Botanical Magazine 45: [Tropicos] [details] LSID urn:lsid:compositae.org:names:EE47214C-389E-4BF2-8021-B6A137AFA854 [details]