| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lactobacillus carnis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus capillatus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus camelliae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus cacaonum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bulgaricus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus buchneri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus buchneri subsp. silagei | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus buchneri subsp. buchneri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus brevis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus brantae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bombi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bobalius | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus binensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bifermentans | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bayanensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bavaricus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus baoqingensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus bambusae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus baiquanensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus backii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus aviarius | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus aviarius subsp. aviarius | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus aviarius subsp. araffinosus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus arizonensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus argentoratensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus aquaticus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus apodemi | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus apinorum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus antri | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus animalis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |