Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium fraternum DC.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1203804 on 2024-05-01
original description(1838). Prodr. (DC.) 6 page(s): 636 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Prodr. 6 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:91F76721-79F0-4622-94B4-C99B624AA56D [details] Taxonomy 1837 publ. early Jan 1838 [details]