Sistotrema occarium (Batsch) Fr., 1838 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Meruliaceae genus Irpiciporus species Irpiciporus pachyodon Name Homonyms Sistotrema occarium (Batsch) Fr., 1838