Compositae Working Group (CWG) (2021). Global Compositae Database. Silphium orae Small. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1205002 on 2025-03-24
original description(1933). Man. S.E. Fl. [Small] page(s): 1411 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Manual of the Southeastern Flora [Tropicos] [details] LSID urn:lsid:compositae.org:names:065AF7BA-6F2C-4CEC-BC10-D00DBCD4CF15 [details] Taxonomy 30 Nov 1933 [details] Type material s.d., s.n., A.H.Curtiss, null CU [details]