Psephellus troitzkyi Sosn. in Grossgejm, Fl. Kavk. 4: 200. 1934
Psephellus troitzkyi in Grossgejm, Fl. Kavk. 4: 200. 1934
is basionym for Centaurea troitzkyi in Komarov, Fl. SSSR 28: 427. 1963
Psephellus troitzkyi in Grossgejm, Fl. Kavk. 4: 200. 1934