| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lactobacillus sake subsp. carnosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus saerimneri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus ruminis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rossii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rossiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rimae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rhamnosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus reuteri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rennini | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus rapi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus quenuiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus porcinae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus pontis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus pobuzihii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus plantarum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus plantarum subsp. plantarum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus plantarum subsp. argentoratensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus plajomi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus piscicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus pingfangensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus perolens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus pentosus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus pentosiphilus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus paucivorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus paraplantarum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus paralimentarius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus parakefiri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus parakefir | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus parafarraginis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Lactobacillus paracollinoides | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |