Stereum alneum P.Karst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Phanerochaetaceae genus Phanerochaete species Phanerochaete velutina Name Homonyms Stereum alneum P.Karst. Stereum alneum (Fr.) Fr.