Centaurea sempervirens subsp. sempervirens Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cheirolophus species Cheirolophus mauritanicus Name Homonyms Centaurea sempervirens var. sempervirens Centaurea sempervirens subsp. sempervirens Centaurea sempervirens f. sempervirens