Type material 3 Sept 1999, P.D.Sell no. 99/334, P.D.Sell, B.Chapman & R.Chapman, Car park, St George's Way, Impington, Cambs, v.c. 29, 52/453635, holotype CGE [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Conyza canadensis var. obovoidea P.D.Sell. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1244148 on 2025-03-24
original description(2006). Fl. Gr. Brit. Ireland 4 page(s): 459, 555 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Conyza canadensis (L.) Cronquist var. obovoidea P.D.Sell [IPNI] [details] LSID urn:lsid:compositae.org:names:94406994-E233-4575-9A14-68EDEBCB3CF6 [details] Type material 3 Sept 1999, P.D.Sell no. 99/334, P.D.Sell, B.Chapman & R.Chapman, Car park, St George's Way, Impington, Cambs, v.c. 29, 52/453635, holotype CGE [details]