Rhytisma acerinum, tar spot

Rhytisma acerinum, known as tar spot or Sycamore Tarspot fungus, a fungal plant pathogen infecting leaves of maple trees

Acer platanoidesAscomycotaFinlandLeotiomycetesNorway mapleRhytismaRhytisma acerinumSycamore TarspotSycamore Tarspot fungusacerinumautumnfallfungal infectionfungal plant pathogenfungifungusleafleavesmaplemaple leafmaple treemushroompikisieniplant pathogentar spotvaahterantervatäpläyellow leaves