Compositae Working Group (CWG) (2025). Global Compositae Database. Silphium ovatum Sessé & Moc.. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1124856 on 2025-03-26
original description(1889). Naturaleza (Mexico City) page(s): 1 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Pl. Nov. Hisp. 1 [IPNI] [details] LSID urn:lsid:compositae.org:names:193F9BD5-46F3-4C55-AA54-3D60027A9E50 [details] Taxonomy ed. 2, 138 [details]