Taxonomy also An. Sci. Nat. Bot. 14: 342 (1850) [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Sonchus capensis Schltdl.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1111315 on 2025-04-03
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record D.F.L. von Schlechtendal, Ind. Sem. Hort. Hal. 1850. 1851 [Cichorieae Portal] Index Seminum [Halle] [Tropicos] [details] LSID urn:lsid:compositae.org:names:9E925D08-7464-4466-BF40-E0E1C0DF526B [details] Taxonomy also An. Sci. Nat. Bot. 14: 342 (1850) [details]