life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Fungi R.T.Moore (1980) - fungi
       Subkingdom Neomycota Caval.-Sm. (1998) see Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
         Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
           Subphylum Euascomycotina (Engl., 1897) Ainsworth (1966) see Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
             Class Discomycetes Sacc. (1889) see Class Ascomycetes G.Winter (1880)
               Subclass Lecomycetidae T. Cavalier-Sm. (1998) see Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers (2001), nom. inval.
                 Genus Usnea Dill. ex Adans. (1763)