Sisymbrium canescens Griseb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Descurainia species Descurainia antarctica Name Homonyms Sisymbrium canescens Nutt. Sisymbrium canescens Griseb. ex E.Fourn. Sisymbrium canescens Benth. Sisymbrium canescens Richardson, 1823 Sisymbrium canescens Griseb.