Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Auriculariales Bromhead (1840)
         Family Auriculariaceae Fr. (1838)
           Genus Exidia Fr. (1822), nom. sanct.