Polyporus supinus subsp. ater Rick, 1940 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Polyporales family Fomitopsidaceae genus Fomitopsis species Fomitopsis supina Name Homonyms Polyporus supinus var. ater Rick Polyporus supinus subsp. ater Rick, 1940