Compositae Working Group (CWG) (2025). Global Compositae Database. Vernonia rigidifolia Hiern. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1094333 on 2025-03-24
original description(1898). Cat. Afr. Pl. (Hiern) 1 page(s): 535 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Cat. Welw. Afr. Pl. i. 535. [African Plant Database] [details] LSID urn:lsid:compositae.org:names:7E9A7733-840A-4F38-B5A1-597219790874 [details] Taxonomy ori:FTA [details]