Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Fungi Whittaker - fungi |
| divisio | Ascomycota Caval.-Sm. - sac fungi |
| subphylum | Pezizomycotina O.E. Erikss. & Winka |
| class | Sordariomycetes |
| order | Phyllachorales |
| family | Phyllachoraceae |
| genus | Polystigma DC. |
| species | Polystigma rubrum (Pers.) DC. - Red Spot of Plum |
| subspecies | Polystigma rubrum subsp. rubrum (Pers.) DC. |