Petasites vulgaris Gray, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Petasites species Petasites albus Name Homonyms Petasites vulgaris Hill Petasites vulgaris Gray, 1821 Petasites vulgaris Desf.