| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lactobacillus bayanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus bavaricus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus baoqingensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus bambusae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus baiquanensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus backii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus aviarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus aviarius subsp. aviarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus aviarius subsp. araffinosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus arizonensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus argentoratensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus aquaticus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus apodemi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus apinorum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus antri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus animalis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus angrenensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus amylotrophicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus amylophilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus allii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus alimentarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus algidus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus agilis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus acidipiscis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus acidifarinae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus achengensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactiplantibacillus plantarum subsp. argentoratensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lacticigenium naphtae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lacticaseibacillus kribbianus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lacinutrix chionocetis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |