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