Winterberry Tar Spot

Rhytisma ilicicola

Rhytisma ilicicola is a fungus in the family Rhytismataceae.
Taxonomy
KingdomFungi
DivisionAscomycota
ClassLeotiomycetes
OrderRhytismatales
FamilyRhytismataceae
GenusRhytisma
SpeciesRhytisma ilicicola