Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus nutans var. longipedunculatus Kauffm.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1230539 on 2024-04-30
original description(1906). Fl. Mosc.: 294 (1906) page(s): 294 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Fl. Mosc. [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:F4A93098-3A76-4CD2-9C49-67C67A2F364A [details]