Compositae Working Group (CWG) (2021). Global Compositae Database. Heliopsis platyglossa Cass.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1125267 on 2024-05-18
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bulletin de la Societe Philomatique de Paris 1821: [Tropicos] [details] LSID urn:lsid:compositae.org:names:98CEDA92-30BF-443D-A0E9-4090FCB3CAB2 [details] Taxonomy Aug 1822 [details]