Polyporus frondosus Dicks. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Grifolaceae genus Grifola species Grifola frondosa Name Homonyms Polyporus frondosus Fr. Polyporus frondosus Dicks. Polyporus frondosus (Dicks.) Fr.