Cheiranthus ruderalis Pall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Sterigmostemum species Sterigmostemum caspicum Name Homonyms Cheiranthus ruderalis Pall. ex DC. Cheiranthus ruderalis Pall.