Compositae Working Group (CWG) (2021). Global Compositae Database. Vernonia umbratica Oberm.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1166922 on 2025-03-28
original description(1936). J. S. African Bot. 2 page(s): 164 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record J. S. Afr. Bot. 2: 164. 1936. [Robinson Vernonieae] Journ. S. Afr. Bot. 1936, ii. 164. [African Plant Database] Journal of South African Botany 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:F2D989C8-0261-40C2-B0AC-07E8500B990F [details] Taxonomy ori:FSA-FTA [details]