Centaurea taochia Sosn. in Věstn. Tiflissk. Bot. Sada, ser. 2, 5: 30. 1931
Centaurea taochia in Věstn. Tiflissk. Bot. Sada, ser. 2, 5: 30. 1931
is earlier homonym of Centaurea taochia in Komarov, Fl. SSSR 28: 435. 1963
is replaced synonym for Psephellus oltensis in Willdenowia 30: 34. 2000
non Psephellus taochius, 1934
Centaurea taochia in Věstn. Tiflissk. Bot. Sada, ser. 2, 5: 30. 1931