| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Mycobacterium marseillense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium marinum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium mantenii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium malmoense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium malmesburyense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium mageritense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium madagascariense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium lutetiense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium longobardum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium llatzerense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium litorale | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium leprae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium lentiflavum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium lehmannii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium lacus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium kyorinense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium kyogaense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium kumamotonense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium kubicae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium koreense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium komossense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium komaniense | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium kansasii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium iranicum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium intracellulare subsp. intracellulare | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium intracellulare subsp. chimaera | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium intracellulare | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium intermedium | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium interjectum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Mycobacterium insubricum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |