Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium tanakae f. obvallatum (Nakai) Makino. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1239323 on 2024-05-20
original description(1940). Ill. Fl. Nippon: 21 (1940) page(s): 21 [details]
From other sources
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cirsium japonicum var. obvallatum [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Ill. Fl. Nippon [Flora of Japan] Ill. Fl. Nippon [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:5F10D1A6-83EA-4355-8192-0425105BC5D4 [details]