Key
William A. Weber and Ronald C. Wittmann
Species Count: 770
Acarosporaceae
Aphanopsidaceae
Arthoniaceae
Arthrorhaphidaceae
Baeomycetaceae
Biatorellaceae
Caliciaceae
Candelariaceae
Cladoniaceae
Coccocarpiaceae
Coenogoniaceae
Collemataceae
Coniocybaceae
Cystocoleaceae
Dothideomycetes_family_incertae_sedis
Gloeoheppiaceae
Graphidaceae
Gyalectaceae
Gypsoplacaceae
Haematommataceae
Harpidiaceae
Hymeneliaceae
Icmadophilaceae
Kirschsteiniotheliaceae
Koerberiaceae
Lecanoraceae
Lecanorales_family_incertae_sedis
Lecanoromycetes_family_incertae_sedis
Lecideaceae
Leprocaulaceae
Lichenotheliaceae
Lichinaceae
Massalongiaceae
Megasporaceae
Mycocaliciaceae
Ochrolechiaceae
Opegraphaceae
Ophioparmaceae
Pannariaceae
Parmeliaceae
Peltigeraceae
Peltulaceae
Pertusariaceae
Pezizomycotina_family_incertae_sedis
Physciaceae
Pilocarpaceae
Placynthiaceae
Porinaceae
Protothelenellaceae
Psoraceae
Pycnoraceae
Ramalinaceae
Ramboldiaceae
Rhizocarpaceae
Ropalosporaceae
Schaereriaceae
Scoliciosporaceae
Sporastatiaceae
Squamarinaceae
Stereocaulaceae
Strangosporaceae
Teloschistaceae
Tephromelataceae
Thelenellaceae
Thrombiaceae
Trapeliaceae
Umbilicariaceae
Verrucariaceae
Xanthopyreniaceae
Xylographaceae