Compositae Working Group (CWG) (2021). Global Compositae Database. Vernonia harperi Gleason. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1184139 on 2025-03-23
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bull. New York Bot. Gard. 4: 221. 1906 [Robinson Vernonieae] Bulletin of the New York Botanical Garden 4(13D): [Tropicos] [details] LSID urn:lsid:compositae.org:names:42BC5D54-C547-4E4B-B7D1-64EC44B1ED00 [details] Taxonomy as "Harperi" [details]