Erysimum bourgeauianum Coss. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Erysimum species Erysimum nevadense Name Homonyms Erysimum bourgeauianum Coss. ex Nyman Erysimum bourgeauianum Coss.