Carduus onopordioides var. onopordioides Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus onopordioides Name Homonyms Carduus onopordioides subsp. onopordioides Carduus onopordioides var. onopordioides