Centaurea rigidula Jord., Observ. Pl. Nouv. 5: 69. 1847
Centaurea rigidula, Observ. Pl. Nouv. 5: 69. 1847
is basionym for Centaurea paniculata subsp. rigidula in Bot. J. Linn. Soc. 71: 199. 1976
is basionym for Acosta rigidula in Preslia 46: 227. 1974
Centaurea rigidula, Observ. Pl. Nouv. 5: 69. 1847