Vernonia crassa (Vell.) Ekman Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Vernonanthura species Vernonanthura crassa Name Homonyms Vernonia crassa (Vell.) Ekman ex Malme Vernonia crassa (Vell.) Ekman