Sonchus virgatus (Michx.) Desf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Nabalus species Nabalus autumnalis Name Homonyms Sonchus virgatus (Michx.) Desf. ex Steud. Sonchus virgatus (Michx.) Desf.