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)
Order Lecanorales Nannf. (1932)
01 Family Biatorellaceae M. Choisy ex Hafellner & Casares (1992) [monotypic]
02 Family Bruceomycetaceae Rikkinen & A.R. Schmidt (2016) [monotypic]
03 Family Carbonicolaceae Bendiksby & Timdal (2013) [monotypic]
04 Family Catillariaceae Hafellner (1984)
05 Family Cladoniaceae Zenker (1827)
06 Family Gypsoplacaceae Timdal (1990) [monotypic]
07 Family Haematommataceae Hafellner (1984) [monotypic]
08 Family Lecanoraceae Körb. (1855)
09 Family Malmideaceae Kalb, Rivas Plata & Lumbsch (2011)
10 Family Megalariaceae Hafellner (1984)
11 Family Pachyascaceae Poelt ex P.M.Kirk, P.F. Cannon & J.C. David (2001) [monotypic]
12 Family Parmeliaceae Zenker (1827)
13 Family Pilocarpaceae Zahlbr. (1905)
14 Family Psilolechiaceae S. Stenroos, Miądl. & Lutzoni (2014) [monotypic]
15 Family Psoraceae Zahlbr. (1898)
16 Family Ramalinaceae C.Agardh (1821)
17 Family Ramboldiaceae S. Stenroos, Miądl. & Lutzoni (2014) [monotypic]
18 Family Scoliciosporaceae Hafellner (1984)
19 Family Sphaerophoraceae Fr. (1831)
20 Family Squamarinaceae Hafellner (1984)
21 Family Stereocaulaceae Chevall. (1826)
22 Family Tephromelataceae Hafellner (1984)
23 Genus Coronoplectrum Brusse (1987), incertae sedis
24 Genus Lichenosticta Zopf (1898), incertae sedis
25 Genus Ivanpisutia S.Y.Kondr., Lőkös & Hur (2015), incertae sedis
26 Genus Neopsoromopsis Gyeln. (1940), incertae sedis
27 Genus Psoromella Gyeln. (1940), incertae sedis
28 Genus Puttea S. Stenroos & Huhtinen (2009), incertae sedis
29 Genus Ramalea Nyl. (1866), incertae sedis