Polystictus biformis (Fr.) Sacc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Hymenochaetales genus Trichaptum species Trichaptum biforme Name Homonyms Polystictus biformis (Fr.) Fr. Polystictus biformis (Fr.) Sacc.