Sonchus asper Wulf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Sonchus species Sonchus asper Name Homonyms Sonchus asper (L.) Hill Sonchus asper (L.) Vill. Sonchus asper All. Sonchus asper Wulf. ex DC., 1838 Sonchus asper Garsault, 1764 Sonchus asper Wulf. Sonchus asper Hall Sonchus asper Hall ex G.Gaertn., B.Mey. & Scherb., 1801