organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
         Class Ascomycetes G.Winter (1880) see Phylum Ascomycota Caval.-Sm. (1998)
           Subclass Arthoniomycetidae see Class Arthoniomycetes O.E. Erikss. & Winka (1997)
             Order Arthoniales Henssen ex D.Hawksw. & O.E. Erikss. (1986)
               Family Roccellaceae Chevall. (1826)
                 Genus Ancistroporella G. Thor (1995) see Genus Ancistrosporella G. Thor (1995)
                 Genus Bactrospora A.Massal. (1852)
                 Genus Camanchaca Follmann & Peine (1999)
                 Genus Chiodecton Ach. (1814)
                 Genus Combea De Not. (1846)
                 Genus Cresponea Egea & Torrente (1993)
                 Genus Dendrographa Darb. (1895)
                 Genus Dichosporidium Pat. (1903)
                 Genus Dirina Fr. (1825)
                 Genus Dirinastrum Müll.Arg. (1893) see Genus Buellia De Not. (1846), nom. cons.
                 Genus Dolichocarpus R. Sant. (1949)
                 Genus Enterodictyon Müll.Arg. (1892)
                 Genus Enterographa Fée (1824)
                 Genus Erythrodecton G. Thor (1991)
                 Genus Feigeana Mies, Lumbsch & Tehler (1995)
                 Genus Follmanniella Peine & B. Werner (1995)
                 Genus Gorgadesia Tav. (1964)
                 Genus Graphidastra (Redinger) G. Thor (1990)
                 Genus Halographis Kohlm. & Volkm.-Kohlm. (1988)
                 Genus Haplodina Zahlbr. (1930)
                 Genus Hubbsia W.A. Weber (1965)
                 Genus Ingaderia Darb. (1897)
                 Genus Lecanactis Körb. (1855), nom. cons.
                 Genus Lecanographa Egea & Torrente (1994)
                 Genus Mazosia A.Massal. (1854)
                 Genus Minksia Müll.Arg. (1882)
                 Genus Opegrapha Ach. (1809), nom. cons.
                 Genus Pentagenella Darb. (1897)
                 Genus Perigrapha Hafellner (1996)
                 Genus Plectocarpon Fée (1825)
                 Genus Pseudolecanactis Zahlbr. (1907)
                 Genus Pulvinodecton Henssen & G. Thor (1998)
                 Genus Reinkella Darb. (1897)
                 Genus Roccella DC. (1805), nom. cons.
                 Genus Roccellaria Darb. (1897) see Genus Roccellina Darb. (1898), nom. cons.
                 Genus Roccellina Darb. (1898), nom. cons.
                 Genus Roccellodea Darb. (1932)
                 Genus Roccellographa J.Steiner (1902)
                 Genus Sagenidium Stirt. (1877)
                 Genus Schismatomma Flot. & Körb. ex A.Massal. (1852)
                 Genus Schizopelte Th.Fr. (1875)
                 Genus Sclerophyton Eschw. (1824)
                 Genus Sigridea Tehler (1993)
                 Genus Simonyella J.Steiner (1902)
                 Genus Streimannia G. Thor (1991)
                 Genus Syncesia Taylor (1836)