| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Rhizobium freirei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium favelukesii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium fabae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium etli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium esperanzae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium endophyticum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium ecuadorense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium dioscoreae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium daejeonense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium chutanense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium changzhiense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium cellulosilyticum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium cauense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium capsici | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium calliandrae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium binae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium bangladeshense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium azooxidifex | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium azibense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium arsenicireducens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium arenae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium aquaticum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium anhuiense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium alvei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium altiplani | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium alamii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium aggregatum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium aethiopicum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium aegyptiacum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Rhizobium acidisoli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |