Sonchus luxurians Schrad. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Lactuca species Lactuca macrophylla Name Homonyms Sonchus luxurians (R.E.Fr.) C.Jeffrey Sonchus luxurians Schrad. ex Steud., 1821 Sonchus luxurians Schrad.