Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Hymenochaetales Oberw. (1977) Family Nigrofomitaceae Jülich (1982) Genus Nigrofomes Murrill (1904)