Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium kamtschaticum var. weyrichii (Maxim.) Herder. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1233821 on 2025-05-02
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Herder [Flora of Japan] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cirsium weyrichii [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium kamtschaticum Ledeb. ex DC. β. weyrichii Herder [Flora of Japan] [details] LSID urn:lsid:compositae.org:names:7514E7C3-3E9D-4E9B-B1EC-A1098EAFC39B [details]