Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Russulales Kreisel ex P.M.Kirk, P.F. Cannon & J.C. David (2001) Genus Aleurocystidiellum P.A. Lemke (1964), incertae sedis