Campe americana (Rydb.) Cockerell Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Barbarea species Barbarea orthoceras Name Homonyms Campe americana (Rydb.) Cockerell ex Daniels Campe americana (Rydb.) Cockerell