Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus spinulosus Bertol.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1171108 on 2024-05-19
original description(1819). Amoen. Ital. page(s): 41 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bertol.. 1819. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:F1BC3CB5-D981-4751-8F55-1EA05FDF39F5 [details] Taxonomy Apr 1819 [details]