the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Alphaproteobacteria (class)
Rhizobiales (order)
Rhizobiaceae (family)
Mesorhizobium (genus)
[hide inferior taxa]
Mesorhizobium amorphae (species)
Mesorhizobium chacoense (species)
Mesorhizobium ciceri (species)
Mesorhizobium huakuii (species)
Mesorhizobium loti (species)
Mesorhizobium plurifarium (species)
Mesorhizobium sp. (species)
Mesorhizobium tianshanense (species)