Centaurea saxatilis Bertol. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Centaurea species Centaurea rupestris Name Homonyms Centaurea saxatilis (K.Koch) B.D.Jacks. Centaurea saxatilis Bertol. ex Nyman Centaurea saxatilis Bertol.