Cheiranthus leucanthemus Stephan Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Erysimum species Erysimum leucanthemum Name Homonyms Cheiranthus leucanthemus Stephan Cheiranthus leucanthemus Stephan ex Willd.