the root (no rank)
Eukaryota (domain)
Fungi (kingdom)
Ascomycota (phylum)
Saccharomycotina (subphylum)
Saccharomycetes (class)
Saccharomycetales (order)
Saccharomycetaceae (family)
Williopsis (genus)
Williopsis saturnus (species)
Hansenula saturnus (alias)
[hide inferior taxa]
Williopsis saturnus mrakii (subspecies)