| Phyllum Ascomycota | Class Arthoniomycetes |
| Order Arthoniales | Roccellaceae |
| Class Dothideomycetes |
| Order Botryosphaeriales | Botryosphaeriaceae | ||||
| Order Capnodiales | Capnodiaceae | Mycosphaerellaceae | |||
| Order Myriangiales | Elsinoaceae | ||||
| Order Pleosporales | Leptosphaeriaceae | Mytilinidiaceae | Pleosporaceae | Venturiaceae | Incertae sedis |
| Class Lecanoromycetes |
| Order Candelariales | Candelariaceae |
| Order Lecanorales | Cladoniaceae | Lecanoraceae | Parmeliaceae | Stereocaulaceae |
| Order Lecideales | Porpidiaceae |
| Order Pertusariales | Pertusariaceae |
| Order Teloschistales | Caliciaceae | Physciaceae | Teloschistaceae |
| Class Leotiomycetes |
| Order Erysiphales | Erysiphaceae | ||||
| Order Helotiales | Dermateaceae Geoglossaceae | Helotiaceae Hyaloscyphaceae | Leotiaceae | Sclerotiniaceae | Incertae sedis |
| Order Rhytismatales | Rhytismataceae |
| Class Pezizomycetes |