| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Rhizobium mongolense subsp. mongolense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium mongolense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium mongolense subsp. loessense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium miluonense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium metallidurans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium mesosinicum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium mesoamericanum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium mayense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium marinum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium marinum subsp. pelagicum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium lusitanum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium leucaenae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium lentis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium lemnae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium leguminosarum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium laguerreae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium jaguaris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium ipomoeae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium indigoferae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium hidalgonense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium helianthi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium halophytocola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium hainanense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium grahamii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium gei | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium gallicum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium freirei | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium favelukesii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium fabae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Rhizobium etli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |