Sonchus arvensis subsp. arenicola (Worosch.) Worosch. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Sonchus species Sonchus brachyotus Name Homonyms Sonchus arvensis subsp. arenicola (Vorosch.) Vorosch.