Centaurea hajastana Tzvelev in Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 19: 411. 1959
Centaurea hajastana in Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 19: 411. 1959
is basionym for Rhaponticoides hajastana in Willdenowia 51: 146. 2021
Centaurea hajastana in Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 19: 411. 1959