asexual fungi R.T.Moore (1980) - fungi
   Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
     Subphylum Ustilaginomycotina Doweld (2001)
       Class Ustilaginomycetes Warm. (1884) - smut fungi
         Order Urocystidiales orth. inval., incertae sedis see Order Urocystidales R. Bauer & Oberw. (1997)
           Family Urocystidaceae Begerow, R. Bauer & Oberw. (1998)
             Anamorph genus Paipalopsis J.G. Kühn (1882) see Genus Paepalopsis J.G. Kühn (1882)