Xanthium italicum subsp. albinum Widder Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Xanthium species Xanthium strumarium Name Homonyms Xanthium italicum var. albinum Widder Xanthium italicum subsp. albinum Widder