Centaurea alba Herb.Calc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Tricholepis species Tricholepis elongata Name Homonyms Centaurea alba Suter, 1802 Centaurea alba L. Centaurea alba C.B.Clarke Centaurea alba M.Bieb. Centaurea alba M.Bieb.