Centaurea aspera var. praetermissa DC. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Centaurea species Centaurea aspera Name Homonyms Centaurea aspera var. praetermissa DC. Centaurea aspera f. praetermissa (Martrin-Donos) C.Arnaud