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 | Leotiomycetes |
| subclass | Leotiomycetidae |
| order | Erysiphales H.Gwynne-Vaughan |
| family | Erysiphaceae Tul. & C.Tul. |
| genus | Erysiphe R. Hedw. ex DC. |
| species | Erysiphe betae (Vaňha) Weltzien - Sugar-beet Powdery Mildew |