Compositae Working Group (CWG) (2025). Global Compositae Database. Sonchus gibbosus Savi. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1089944 on 2025-04-03
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record G. Savi, Fl. Ital. 1. 1818 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:D0609065-4128-4457-ADFD-3AF5F18D05FB [details]