Compositae Working Group (CWG) (2021). Global Compositae Database. Helminthia callosa Pomel. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1175385 on 2024-05-19
original description(1875). Nouv. Mat. Fl. Atl. page(s): 14 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A.N. Pomel, Nouv. Mat. Fl. Atl.. 1874 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:D69E4926-996F-498F-86C2-3539ACAD9A46 [details]