Compositae Working Group (CWG) (2021). Global Compositae Database. Sonchus californicus (DC.) Hook. & Arn.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1186794 on 2025-04-03
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Hook. & Arn. [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Sonchus californicus Hook. & Arn. [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record W.J. Hooker, G.A.W. Arnott, Bot. Beechey Voy.. 1833 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:9A970F2C-4ADD-427F-9C97-7138ADAFB0FC [details] Taxonomy Jan-May 1839 [details]