Carduus crispus Guirão Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus crispus Name Homonyms Carduus crispus L. Carduus crispus Gouan, 1765 Carduus crispus Guirão ex Nyman, 1879 Carduus crispus Huds., 1778 Carduus crispus Guirão