Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus quercifolius F.K.Mey.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1126775 on 2024-05-14
original description(2011). Haussknechtia 15 page(s): 165, fig. 29 [details]
From other sources
LSID urn:lsid:compositae.org:names:D54DC7B2-D2E8-4ADD-AE57-4C73956E2C79 [details] Type material 7 May 1960, 5518, F.K.Meyer, Devoll-Tal, südlich Bratila, c. 600 m, holotype JE [details]