Carduus nutans subsp. sporadum Halácsy Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Carduus species Carduus nutans Name Homonyms Carduus nutans subsp. sporadum (Halácsy) Rech.f. Carduus nutans var. sporadum Halácsy Carduus nutans subsp. sporadum Halácsy