Compositae Working Group (CWG) (2025). Global Compositae Database. Sonchus spinosus Larrañaga. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1107866 on 2025-04-03
original description(1923). Escritos Damaso Antonio Larranaga 2 page(s): 245 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Larrañaga, Escritos Damaso Antonio Larrañaga 2. 1923 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:2511FC23-8B5F-483D-B677-C4561357046B [details] Taxonomy cf.Gray Herb. Card Cat., Issue 117. [details]