asexual fungi R.T.Moore (1980) - fungi
   Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
     Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
       Class Leotiomycetes O.E. Erikss. & Winka (1997)
         Order Phacidiales Bessey (1907)
           Family Phacidiaceae Fr. (1821)
             Genus Phacidium Fr. (1815), nom. sanct., nom. cons.