Cnicus heterophyllus (L.) Willd., 1803 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cirsium species Cirsium heterophyllum Name Homonyms Cnicus heterophyllus (L.) Retz. Cnicus heterophyllus (L.) Roth Cnicus heterophyllus (L.) Willd., 1803