Fomitopsis supina (Sw.) Murrill, 1978 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Fomitopsidaceae genus Fomitopsis species Fomitopsis supina Name Synonyms Boletus supinus subsp. supinus Polyporus supinus subsp. ater Rick, 1940 Homonyms Fomitopsis supina (Sw.) Ryvarden Fomitopsis supina (Sw.) Murrill, 1978