Hymenochaete nigrescens Cooke Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Hymenochaetales family Hymenochaetaceae genus Hydnoporia species Hydnoporia tabacina Name Homonyms Hymenochaete nigrescens Cooke ex Massee Hymenochaete nigrescens Cooke