Sonchus ×rotundilobus Popov Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Sonchus species Sonchus clujensis Name Homonyms Sonchus ×rotundilobus Popov ex Kovalevsk. Sonchus ×rotundilobus Popov