Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium humboldtense Rydb.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1167912 on 2024-05-08
original description(1917). Fl. Rocky Mts. page(s): 1007 [details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Flora of the Rocky Mountains [Tropicos] [details] LSID urn:lsid:compositae.org:names:BAC2616F-E0FA-48E1-80D3-0D7D2163F1EC [details] Taxonomic remark Replacement name for Carduus nevadensis Greene [details] Taxonomy 31 Dec 1917 [details]