Carduus ×nutantiformis Shuttlew. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus puechii Name Homonyms Carduus ×nutantiformis Shuttlew. ex Rouy Carduus ×nutantiformis Shuttlew.