Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Lecanoromycetes O.E. Erikss. & Winka (1997)
       Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch (2007)
         1 Order Caliciales Bessey (1907)
         2 Order Lecanorales Nannf. (1932)
         3 Order Lecideales Vain. (1934)
         4 Order Leprocaulales Lendemer & B.P. Hodk. (2013), nom. nud. [monotypic]
         5 Order Peltigerales Walt. Watson (1929)
         6 Order Rhizocarpales Miądl. et al. ex Miądl. & Lutzoni (2016)
         7 Order Teloschistales D.Hawksw. & O.E. Erikss. (1986)
         8 Family Helocarpaceae Hafellner (1984), incertae sedis [monotypic]