Helianthus tetragonus Moc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Verbesina species Verbesina tetraptera Name Homonyms Helianthus tetragonus Moc. ex DC. Helianthus tetragonus Moc.