Centaurea ×nouelii Franch., 1881 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Centaurea species Centaurea nouelii Name Synonyms Centaurea ×tricacantha Homonyms Centaurea ×nouelii Franch. ex H.J.Coste Centaurea ×nouelii Franch., 1881