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 | Basidiomycota R. T. Moore - club fungi |
| subphylum | Pucciniomycotina |
| class | Microbotryomycetes R. Bauer, Begerow, J. P. Samp., M. Weiss & Oberw. |
| order | Microbotryales R. Bauer & Oberw. |
| family | Microbotryaceae R. T. Moore |
| genus | Microbotryum Lév. |
| species | Microbotryum saponariae M. Lutz, Göker, M. Piątek, Kemler, Begerow & Oberw. |