Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Alphaproteobacteria
Rhizobiales (Hyphomicrobiales)
Rhizobiaceae
Sinorhizobium (Ensifer (bacterium))
Sinorhizobium meliloti (Ensifer meliloti)
Sinorhizobium meliloti 1021 (21102918)