Eupatorium purpureum f. purpureum Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Eutrochium species Eutrochium purpureum Name Homonyms Eupatorium purpureum subsp. purpureum Eupatorium purpureum var. purpureum Eupatorium purpureum f. purpureum