Kingdom Fungi R.T.Moore (1980) - fungi Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007) Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Ustilaginomycotina Doweld (2001) Class Ustilaginomycetes Warm. (1884) - smut fungi Order Ustilaginales G.Winter (1880) Genus Ustilago (Pers.) Roussel (1806)