Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium japonicum var. obvallatum Nakai. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1228633 on 2024-11-14
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium japonicum DC. β. obvallatum Nakai [Flora of Japan] [details] LSID urn:lsid:compositae.org:names:DB499738-8549-4D9A-A832-4A3AF3D72220 [details]