Tussilago spuria Schrank Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Petasites species Petasites paradoxus Name Homonyms Tussilago spuria Retz. Tussilago spuria Schrank ex Steud. Tussilago spuria Schrank