Compositae Working Group (CWG) (2021). Global Compositae Database. Cirsium boulayi E.G.Camus. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1147315 on 2024-05-01
original description(1891). Bull. Soc. Bot. France 38 page(s): 106 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Cirsium ×boulayi E.G.Camus [IPNI] [details] LSID urn:lsid:compositae.org:names:C531CE65-12A5-432F-A7C3-F547E60B91BD [details]