Thamnoseris lacerata f. lobata (Johnst.) Skottsb. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Sonchus species Sonchus laceratus Name Homonyms Thamnoseris lacerata f. lobata (Johnst.) Skottsb. Thamnoseris lacerata subsp. lobata (Johnst.) Skottsb.