Compositae Working Group (CWG) (2021). Global Compositae Database. Cnicus rothrockii var. diffusus Eastw.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1232154 on 2024-10-15
original description(1896). Proc. Calif. Acad. Sci. ser. 2, 6 page(s): 303 [details]
Unverified
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proc. Calif. Acad. Sci. , II, 6 [Govaerts World Compositae Checklist A-G] Proceedings of the California Academy of Sciences, Series 2, 6: [Tropicos] [details] LSID urn:lsid:compositae.org:names:77B1E5F6-A8E3-4DD8-B213-846D138EC359 [details]