Erysimum squarrosum Jan Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Erysimum species Erysimum squarrosum Name Homonyms Erysimum squarrosum Jan ex Albert & Jahand. Erysimum squarrosum Jan Erysimum squarrosum Batt.