Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium patens Kitam.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1106909 on 2025-09-12
original description(1931). Compos. Nov. Jap. page(s): 9 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium Ă—patens Kitam. [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:DA1764B1-7F65-4042-9315-BE4A8A4BA099 [details] Taxonomy Dec 1931 [details]