Cercidospora epipolytropa

Cercidospora epipolytropa is a species of lichenicolous fungus in the genus Cercidospora but it has not been assigned to a family. It is known to parasitise the crustose lichen Lecanora polytropa. The fungus was first formally described by mycologist William Mudd in 1861. Ferdinand Christian Gustav Arnold transferred it to Cercidospora in 1874.