the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Alphaproteobacteria (class)
Rhizobiales (order)
Hyphomicrobiaceae (family)
Hyphomicrobium (genus)
[hide inferior taxa]
Hyphomicrobium denitrificans (species)
Hyphomicrobium methylovorum (species)
Hyphomicrobium sp. (species)