Compositae Working Group (CWG) (2025). Global Compositae Database. Vernonia proctorii Urbatsch. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1205007 on 2025-09-13
original description(1989). Syst. Bot. 14 page(s): 589 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record L.E. Urbatsch [Flora of the West Indies] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Vernonia proctori Urbatsch [Preliminary Checklist of North American Compositae] Vernonia proctorii [IPNI] Vernonia proctorii L.E. Urbatsch [Flora of the West Indies] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Syst. Bot. 14(4) [IPNI] Syst. Bot. 14: 589. 1989. [Robinson Vernonieae] Systematic Botany 14(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:E5644CD8-1AE5-4B48-A501-D01358A827C0 [details] Type material 43941, G.R.Proctor, holotype US, isotype IT: IJ, isotype LSU, isotype SJ, isotype TEX [details]