Carduus mexicanus Moric. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus mexicanus Name Homonyms Carduus mexicanus (DC.) Greene Carduus mexicanus Moric. Carduus mexicanus Moric. ex DC.