Carduus wolgensis M.Bieb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cousinia species Cousinia astracanica Name Homonyms Carduus wolgensis M.Bieb. ex Willd. Carduus wolgensis M.Bieb.