the root (no rank)
Eukaryota (domain)
Fungi (kingdom)
Basidiomycota (phylum)
Ustilaginomycetes (class)
Ustilaginales (order)
Ustilaginaceae (family)
Ustilago (genus)
[hide inferior taxa]
Ustilago hordei (species)
Ustilago maydis (species)
Ustilago sphaerogena (species)
Ustilago violacea (species)