Carduus alpestris Ten. 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 alpestris Willd., 1803 Carduus alpestris Ten. Carduus alpestris Waldst. & Kit.