Prenanthes rhombifolia Humb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Brickellia species Brickellia diffusa Name Homonyms Prenanthes rhombifolia Humb. ex Willd. Prenanthes rhombifolia Humb.