| Kingdom: Fungi |
| Phylum: Basidiomycota |
| Subphylum: Hymenomycotina |
| Class: Agaricomycetes |
| Subclass: Agaricomycetidae |
| Order: Ceratobasidiales |
| Family: Ceratobasidiaceae |
| Genus: Rhizoctonia |
| Subject: Rhizoctonia solani J.G. Kühn |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Caryophyllidae |
| Order: Caryophyllales |
| Family: Chenopodiaceae |
| Genus: Beta |
| Subject: Beta vulgaris L. |