Compositae Working Group (CWG) (2021). Global Compositae Database. Proteopsis ekmaniana Philipson. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1200838 on 2025-03-22
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bull. Misc. Inform. Kew 1938 [IPNI] Bulletin of Miscellaneous Information Kew 1938(7): [Tropicos] Kew Bull. Misc. Inform. 7: 300. 1938. [Robinson Vernonieae] [details] LSID urn:lsid:compositae.org:names:5120AD23-E6E0-47A5-8132-BC4C4F7C8486 [details] Type material 21668, A.F.M.Glaziou, holotype K, isotype P, isotype B, isotype G, isotype BR [details]