Compositae Working Group (CWG) (2025). Global Compositae Database. Sonchus capitatus Spreng.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1173390 on 2025-09-12
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record ori:FTA [African Plant Database] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record 1405+ed. 16+ 3: [Tropicos] C.P.J. Sprengel, Syst. Veg. 3. 1826 [Cichorieae Portal] Spreng., Syst. Veg. 3. 1826. [Euro+Med] Syst. Veg. (ed. 16) [Sprengel] 3: 650. 1826 [India] [details] LSID urn:lsid:compositae.org:names:C467BF6D-256D-45A6-871E-2A97CD86AE26 [details] Taxonomy Jan-Mar 1826 [details] Type material Type: Aegypt [details]