| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lactobacillus mulanensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mudanjiangensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mucosae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus modestisalitolerans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mixtipabuli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mishanensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus minutus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus minor | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mindensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus micheneri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus metriopterae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mellis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mellifer | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus manihotivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus maltaromicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus mali | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus malefermentans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus lindneri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus lindianensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus leichmannii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus laiwuensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus lactis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kunkeei | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kosoi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus koreensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kisonensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kimchii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kimchiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus kimchicus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus keshanensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |