Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium clavatum var. americanum (A.Gray) D.J.Keil. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1241932 on 2024-05-18
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) D.J. Keil [Preliminary Checklist of North American Compositae] (A. Gray) D.J. Keil [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cnicus carlinoides Schrank var. americanus A.Gray [IPNI] Cnicus carlinoides var. americanus [Govaerts World Compositae Checklist A-G] Cnicus carlinoides var. americanus A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium clavatum (M.E. Jones) Petrak var. americanum (A. Gray) D.J. Keil [Preliminary Checklist of North American Compositae] Cirsium clavatum (M.E.Jones) Petr. var. americanum (A.Gray) D.J.Keil [IPNI] Cirsium clavatum var. americanum (A. Gray) D.J. Keil [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Sida 21 [Govaerts World Compositae Checklist A-G] Sida 21(1): [Tropicos] [details] LSID urn:lsid:compositae.org:names:F7A5C84E-8CDE-4699-B67C-021145B2234C [details] Taxonomy 20 Aug 2004 [details]