Centaurea umbrosa Lacaita in Nuovo Giorn. Bot. Ital., ser. 2, 22: 246. 1915
Centaurea umbrosa in Nuovo Giorn. Bot. Ital., ser. 2, 22: 246. 1915
is replaced synonym for Centaurea tyrrhena in Peccenini & Domina, Loc. Class. Fl. Italia: 36. 2011
is replaced synonym for Centaurea cineraria var. umbrosa, Nuov. Fl. Italia 2: 726. 1927
non Centaurea umbrosa, 1856
Centaurea umbrosa in Nuovo Giorn. Bot. Ital., ser. 2, 22: 246. 1915