Polyporus spissus Schwein., 1828 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Irpicaceae genus Ceriporia species Ceriporia spissa Name Homonyms Polyporus spissus Schwein. ex Fr. Polyporus spissus Schwein., 1828