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
           [plesion] Genus Thecaphora Fingerh. (1836), nom. cons.