Pflanzenreich Haeckel (1866) - plants
   Division Euthallophyta
     Subdivision Fungi (Jahn & Jahn, 1959)
       Class Ascomycetes G.Winter (1880) see Phylum Ascomycota Caval.-Sm. (1998)
         Subclass Euasci
           01 Order Protoascineae
           02 Order Protodiscineae
           03 Order Helvellineae
           04 Order Pezizineae
           05 Order Phacidiineae
           06 Order Hysteriineae
           07 Order Tuberineae
           08 Order Plectascineae
           09 Order Pyrenomycetineae
           10 Order Laboulbeniineae