Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium drummondii var. acaulescens (A.Gray) J.F.Macbr.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1241926 on 2024-05-15
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Gray) J.F. Macbr. [Tropicos] (Rydb.) J.F. Macbr. [Preliminary Checklist of North American Compositae] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cnicus drummondii var. acaulescens A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium drummondii Torr. & A. Gray var. acaulescens (Rydb.) J.F. Macbr. [Preliminary Checklist of North American Compositae] Cirsium drummondii Torr. & A.Gray var. acaulescens (A.Gray) J.F.Macbr. [IPNI] Cirsium drummondii var. acaulescens (A. Gray) J.F. Macbr. [Tropicos] [details] LSID urn:lsid:compositae.org:names:3FE6888A-235F-4722-A9E8-00E61686508E [details] Taxonomy as "Drummondii" [details]