Key
Elisabeth Lay, Linda Berard, Elizabeth Kneiper & Philip F. May
Species Count: 147
Acarosporaceae
Arthoniaceae
Baeomycetaceae
Caliciaceae
Candelariaceae
Chrysotrichaceae
Cladoniaceae
Coenogoniaceae
Fuscideaceae
Graphidaceae
Icmadophilaceae
Lecanoraceae
Lecideaceae
Megasporaceae
Mycocaliciaceae
Ochrolechiaceae
Ophioparmaceae
Parmeliaceae
Pertusariaceae
Physciaceae
Pilocarpaceae
Porinaceae
Ramalinaceae
Rhizocarpaceae
Ropalosporaceae
Sarrameanaceae
Scoliciosporaceae
Stereocaulaceae
Teloschistaceae
Trapeliaceae
Umbilicariaceae
Verrucariaceae
Xanthopyreniaceae