Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium drummondii var. oregonense Petr.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1242750 on 2025-04-16
original descriptionBeih. Bot. Centralbl. 35(2): 355 (1917)[details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Petrak [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium drummondii Torr. & A. Gray var. oregonense Petrak [Preliminary Checklist of North American Compositae] [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:F52A61FC-A2AA-4905-B5DB-BF574A91ADC2 [details] Taxonomy under subsp. lanatum [details]