Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Polyporales Gäum. (1926) Family Polyporaceae Fr. ex Corda (1839) Genus Grammothele Berk. & M.A.Curtis (1868)