Compositae Working Group (CWG) (2025). Global Compositae Database. Hymenopappus polycephalus Osterh.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1190806 on 2026-06-13
original description(1918). Torreya 18 page(s): 90 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Torreya 18(5): [Tropicos] [details] LSID urn:lsid:compositae.org:names:247E1D34-7D18-4058-AB6D-881AE408B1BB [details]