Rhytisma is a genus of fungi in the Rhytismataceae family[1] commonly known as 'tar spot'. There are about 18 species,[2] which live parasitically in the leaves of deciduous trees.
Rhytisma is a genus of fungi in the Rhytismataceae family commonly known as 'tar spot'. There are about 18 species, which live parasitically in the leaves of deciduous trees.