Compositae Working Group (CWG) (2021). Global Compositae Database. Sonchus dregeanus DC.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1114740 on 2024-05-02
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record ori:FSA-FTA [African Plant Database] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A.P. de Candolle, Prodr. 7. 1838 [Cichorieae Portal] Prod. vii. 184. [African Plant Database] Prodromus Systematis Naturalis Regni Vegetabilis 7: [Tropicos] [details] LSID urn:lsid:compositae.org:names:43AC1E8E-DDF3-4154-86CD-FB53624B84CC [details] Taxonomy late Apr 1838 [details]