Carduus medius Schrank, 1789 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus defloratus Name Homonyms Carduus medius (All.) Steud. Carduus medius Schrank, 1789 Carduus ×medius Gouan