Pertusariaceae, Pertusaria, and Pertusariales
Varicellaria, Pertusariales, Ochrolechiaceae, Ochrolechia , and Lepra
Coenogoniaceae, Coenogonium, and Ostropales
Opegraphaceae, British Isles, and Opegrapha
British Isles, Bryophilous ascomycete , Ascomycetes, Bryostroma popei , and Bryostroma