Key
James P. Bennett and Clifford M. Wetmore
Species Count: 176
Acarosporaceae
Arthoniaceae
Caliciaceae
Candelariaceae
Catillariaceae
Cladoniaceae
Collemataceae
Dactylosporaceae
Dothideomycetes_family_incertae_sedis
Graphidaceae
Lecanoraceae
Lecanoromycetes_family_incertae_sedis
Lichinaceae
Massalongiaceae
Megasporaceae
Ochrolechiaceae
Parmeliaceae
Peltigeraceae
Peltulaceae
Pertusariaceae
Physciaceae
Pilocarpaceae
Psoraceae
Ramalinaceae
Ropalosporaceae
Squamarinaceae
Strangosporaceae
Teloschistaceae
Trapeliaceae
Verrucariaceae