Compositae Working Group (CWG) (2021). Global Compositae Database. Sonchus altissimus Vahl ex Sch.Bip.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1197493 on 2025-04-03
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Vahl ex Sch. Bip. [Cichorieae Portal] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Sonchus altissimus Vahl ex Sch. Bip. [Cichorieae Portal] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record C.H. Schultz - in Webb & Berthelot, Hist. Nat. Iles Canaries 3(2,2). 1849-1850 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:42DC605A-D3A0-4AAF-910B-A8DF34C79AE8 [details]