asexual fungi R.T.Moore (1980) - fungi
   Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
     Subphylum Ustilaginomycotina Doweld (2001)
       Class Exobasidiomycetes Begerow, M. Stoll & R. Bauer (2007)
         Order Exobasidiales Henn. (1898)
           Anamorph genus Cladostergigma Wijayaw., McKenzie & K.D.Hyde (2012), orth. inval., incertae sedis see Genus Cladosterigma Pat. (1892)