Centaurea jacea var. nemoralis (Jord.) Briq. & Cavill. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Centaurea species Centaurea nigra Name Homonyms Centaurea jacea var. nemoralis (Jord.) Briq. & Cavill. Centaurea jacea subsp. nemoralis (Jord.) Gremli