Ambrosia artemisiaefolia subsp. diversifolia Piper Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ambrosia species Ambrosia polystachya Name Homonyms Ambrosia artemisiaefolia subsp. diversifolia Piper Ambrosia artemisiaefolia var. diversifolia Piper