Rhytisma (fungus)
| Rhytisma | |
|---|---|
| Rhytisma acerinum | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Ascomycota | 
| Class: | Leotiomycetes | 
| Order: | Rhytismatales | 
| Family: | Rhytismataceae | 
| Genus: | Rhytisma Fr. (1818)  | 
| Type species | |
| Rhytisma acerinum (Pers.) Fr. (1818)  | |
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.