| Urocystis agropyri | |
|---|---|
| Urocystis colchici on an onion seedling | |
| Scientific classification | |
| Kingdom: | Fungi |
| Phylum: | Basidiomycota |
| Class: | Ustilaginomycetes |
| Subclass: | Ustilaginomycetidae |
| Order: | Urocystidales |
| Family: | Urocystidiaceae |
| Genus: | Urocystis |
Urocystis is a genus of smut fungi containing plant pathogens, which infect grass species and other plants.