Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium vulgare var. oligocephalum. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1161827 on 2024-05-02
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium vulgare var. oligocephalum Erdner [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:80EA8C01-583B-476C-9C61-224E5DAC500F [details]