Key
James P. Bennett and Clifford M. Wetmore
Species Count: 50
Acarosporaceae
Arthoniaceae
Biatorellaceae
Caliciaceae
Candelariaceae
Cladoniaceae
Collemataceae
Lecanoraceae
Lichinaceae
Megasporaceae
Parmeliaceae
Physciaceae
Placynthiaceae
Pyrenulaceae
Ramalinaceae
Teloschistaceae
Verrucariaceae