Centaurea dubia subsp. vochinensis (Bernhardi ex Reichenbach) Hayek

Centaurea dubia subsp. vochinensis (Bernhardi ex Reichenbach) Hayek is a synonym sensu FNA Ed. Comm., 2006a of:

Centaurea nigrescens Willdenow, an accepted species name sensu FNA Ed. Comm., 2006a.