Carduus pteracanthus var. leptocladus Batt. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus spachianus Name Homonyms Carduus pteracanthus var. leptocladus Batt. Carduus pteracanthus subsp. leptocladus (Durand) Batt.