Fungi (Jahn & Jahn, 1959)
   Class Gymnocarpi
     Order Naematothecii
       Fvngi byssoidei, decumbentes, vniformes.
         Genus Demativm Pers. (1794), nom. sanct., nom. conf.
           * Rigida, simplex aut fasciculata.
           ** Cespitosa, subintertexta, nec pannum s. pellem referentia.