Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium tracyi (Rydb.) Petr.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1091679 on 2025-03-23
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Rydb.) Petrak [Preliminary Checklist of North American Compositae] Petr. [IPNI] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Carduus tracyi [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium tracyi (Rydb.) Petrak [Preliminary Checklist of North American Compositae] Cirsium tracyi Petr. [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Beih. Bot. Centralbl. 35(2) [Govaerts World Compositae Checklist A-G] Beihefte zum Botanischen Centralblatt 35(2[2/3]): [Tropicos] [details] LSID urn:lsid:compositae.org:names:D5E23BE3-7E32-4826-8A7B-45041CCF68A6 [details] Taxonomy as "Tracyi" [details]