Compositae Working Group (CWG) (2021). Global Compositae Database. Vernonia expansa Gleason. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1187288 on 2025-02-28
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bull. New York Bot. Gard. 4: 186. 1906 [Robinson Vernonieae] Bulletin of the New York Botanical Garden 4: [Tropicos] [details] LSID urn:lsid:compositae.org:names:08ACA25F-8065-4840-BC5D-73D09A21B08C [details]