Vernonia exsucca Mart. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Chresta species Chresta exsucca Name Homonyms Vernonia exsucca Mart. ex Baker Vernonia exsucca Mart. ex DC. Vernonia exsucca Mart.