asexual fungi R.T.Moore (1980) - fungi
   Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
     Subphylum Agaricomycotina Doweld (2001)
       Class Tremellomycetes Doweld (2001)
         Order Tremellales Fr. (1821)
           Family Tremellaceae Fr. (1821)
             Anamorph genus Bullera Derx (1930)