Regnum Mycetoideum
   Class Hymenomycetes Fr. (1821)
     Order Tremellini
       1 Genus Agyrium Fr. (1821), nom. nud.
       2 Genus Dacrymyces Nees (1816), nom. sanct.
       3 Genus Tremella Pers. (1801), nom. sanct., nom. cons.
       4 Genus Hygromitra (Nees) Fr. (1821), nom. sanct. see Genus Leotia Pers. (1794), nom. sanct.