the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Betaproteobacteria (class)
Burkholderiales (order)
Alcaligenaceae (family)
Alcaligenes (genus)
Alcaligenes denitrificans (species)
[hide inferior taxa]
Alcaligenes denitrificans xylosoxydans (subspecies)