Compositae Working Group (CWG) (2025). Global Compositae Database. Sonchus novocastellanus Cirujano. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1101263 on 2025-04-03
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Sonchus ×novocastellanus Cirujano [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Cirujano in Anales Jard. Bot. Madrid 40. 1983 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:6E2D8933-D867-444C-A5B9-9017CD6D86C7 [details] Taxonomic remark Replacement name for Sonchus toletanus S. Cirujano. [details] Taxonomy xnovocastellanus [details]