Centaurea omphalodes (Coss. & Durieu) O.Hoffm.
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Centaurea omphalodes (Coss. & Durieu) O.Hoffm. [ Stephanochilus omphalodes Coss. & Durieu] [Compositae]
E.S.C. Cosson, J.F.G. Barratte, Ill. Fl. atlant., vol. 2(6): : t. 141 (1893) [C. Cuisin]