Key
James P. Bennett and Clifford M. Wetmore
Species Count: 84
Acarosporaceae
Arthoniaceae
Caliciaceae
Candelariaceae
Cladoniaceae
Collemataceae
Graphidaceae
Lecanoraceae
Megasporaceae
Monoblastiaceae
Mycocaliciaceae
Opegraphaceae
Parmeliaceae
Peltigeraceae
Pertusariaceae
Physciaceae
Psoraceae
Pyrenulaceae
Ramalinaceae
Stereocaulaceae
Strigulaceae
Teloschistaceae
Verrucariaceae