Hypoxylon atropunctatum (Hypoxylon Canker of Oak),
synonyms Diatrype atropunctata, Biscogniauxia atropunctata
Both photos (above & below) were taken in Spring Green
Both photos (above & below) were taken at Mirror Lake State Park
Both photos (above & below) were taken at Mirror Lake State Park
Both photos (above & below) were taken at Governor Dodge State Park
Both photos (above & below) were taken at UW-Madison Arboretum