| rhizobium leguminosarum | species | bacteria | bacteria | species | 384 |
| rhizobium loessense | species | bacteria | bacteria | species | 158890 |
| rhizobium sp. ccbau 05104 | no rank | bacteria | bacteria | species | 499533 |
| rhizobium sp. ccbau 05161 | no rank | bacteria | bacteria | species | 499534 |
| rhizobium vignae | species | bacteria | bacteria | species | 690585 |