Discriminant analysis, based on the 26 considered morphological characters with groups corresponding to the nine studied taxa. Axis 1: Eigenvalue 19.199, % variance 52.69; Axis 2 Eigenvalue 6.094, % variance 16.72.

 
  Part of: Domina G, Di Gristina E, Barone G (2022) A new species within the Centaurea busambarensis complex (Asteraceae, Cardueae) from Sicily. Biodiversity Data Journal 10: e91505. https://doi.org/10.3897/BDJ.10.e91505