Regnum Mycetoideum
   Class Hyphomycetes Fr. (1821) see Class Monilia A.Rich. (1832)
     Order Inomycetes
       Suborder Mucedines
         Mucedineae liberæ Nees
           Trichomyci Nees
             Genus Aleurisma Link (1809), nom. sanct. see Genus Trichoderma Pers. (1794), nom. sanct.