Sonchus oleraceus f. asper (L.) Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Sonchus species Sonchus asper Name Homonyms Sonchus oleraceus var. asper L. Sonchus oleraceus f. asper (L.) Sonchus oleraceus subsp. asper (L.) Ehrh.