| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Microbacterium binotii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium barkeri | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium azadirachtae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium awajiense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aurum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aureliae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aurantiacum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium arthrosphaerae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium arborescens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium arabinogalactanolyticum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aquimaris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aoyamense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium amylolyticum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium algeriense | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium album | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium agarici | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium aerolatum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacterium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacter margulisiae T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microbacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microaerobacter geothermalis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Microaerobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovulum psychrotolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovulum miyakonense T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovulum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovorus menthalis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovorus mays | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovorus glucosotrophus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovorus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Methylovirgula ligni T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |