Ageratum mexicanum subsp. majus Voss Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ageratum species Ageratum houstonianum Name Homonyms Ageratum mexicanum var. majus Voss Ageratum mexicanum subsp. majus Voss