Key
James P. Bennett and Clifford M. Wetmore
Species Count: 130
Arthoniaceae
Caliciaceae
Chrysotrichaceae
Cladoniaceae
Collemataceae
Gomphillaceae
Graphidaceae
Haematommataceae
Lecanoraceae
Monoblastiaceae
Mycocaliciaceae
Mycoporaceae
Ochrolechiaceae
Opegraphaceae
Parmeliaceae
Pertusariaceae
Physciaceae
Pilocarpaceae
Porinaceae
Pyrenulaceae
Ramalinaceae
Roccellaceae
Roccellographaceae
Sphinctrinaceae
Stereocaulaceae
Strigulaceae
Teloschistaceae
Tephromelataceae
Thelenellaceae
Trypetheliaceae