the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Alphaproteobacteria (class)
Rhodobacterales (order)
Rhodobacteraceae (family)
Rhodobacter (genus)
[hide inferior taxa]
Rhodobacter adriaticus (species)
Rhodobacter azotoformans (species)
Rhodobacter blasticus (species)
Rhodobacter capsulatus (species)
Rhodobacter sp. (species)
Rhodobacter sphaeroides (species)
Rhodobacter sulfidophilus (species)