Compositae Working Group (CWG) (2021). Global Compositae Database. Vernonia firmula Mart. ex DC.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1171014 on 2025-03-07
original description(1836). Prodr. (DC.) 5[details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Prodr. 5: 34. 1836. [Robinson Vernonieae] Prodromus Systematis Naturalis Regni Vegetabilis 5: [Tropicos] [details] LSID urn:lsid:compositae.org:names:436F5812-5810-4A62-A079-1E1F1DBDDADD [details] Taxonomy 1-10 Oct 1836 [details]