Vernonia megapotamica f. megapotamica Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Stenocephalum species Stenocephalum megapotamicum Name Homonyms Vernonia megapotamica f. megapotamica Vernonia megapotamica var. megapotamica Vernonia megapotamica subsp. megapotamica