Hymenochaete boltonii (Sacc.) Cooke, 1879 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Phanerochaetaceae genus Porostereum species Porostereum spadiceum Name Homonyms Hymenochaete boltonii (Sacc.) Cooke, 1879