Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium coloradense subsp. longissimum (A.Heller) Petr.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1221032 on 2024-05-15
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (A. Heller) Petr. [Tropicos] (Heller) Petrak [Preliminary Checklist of North American Compositae] Petr. [IPNI] subp. longissimum [Govaerts World Compositae Checklist A-G] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Carduus longissimus [Govaerts World Compositae Checklist A-G] Carduus longissimus A. Heller [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium coloradense (Rydb.) Cockerell ssp. longissimum (Heller) Petrak [Preliminary Checklist of North American Compositae] Cirsium coloradense Cockerell subsp. longissimum Petr. [IPNI] Cirsium coloradense subsp. longissimum (A. Heller) Petr. [Tropicos] Cirsium coloradensis subp. longissimum [Govaerts World Compositae Checklist A-G] Cirsium coloradensis subp. longissimum [LCR Editor] [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:33BEFBCC-2BAB-4E12-8E8B-9678E9A8A53B [details]