Compositae Working Group (CWG) (2021). Global Compositae Database. Cnicus echinocephalus Willd.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1204213 on 2024-10-14
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Sp. Pl. 3 [Govaerts World Compositae Checklist A-G] Sp. Pl. 3, 3 : 1685 (1803) [Vascular Plants of Russia] Willd., Sp. Pl. 3. 1803. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:2D98B4EB-0AAC-4EEC-B11B-CBAE80958F1F [details] Taxonomy Apr-Dec 1803 [details]