| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lactobacillus sharpeae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus senmaizukei | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus senioris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus secaliphilus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus satsumensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus saniviri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sanfrancisco | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sanfranciscensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus salsicarnum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus salivarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus salivarius subsp. salivarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus salivarius subsp. salicinius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus salitolerans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sakei | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sakei subsp. sakei | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sakei subsp. carnosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sake | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sake subsp. sake | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus sake subsp. carnosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus saerimneri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus ruminis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rossii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rossiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rimae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rhamnosus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus reuteri | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rennini | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus rapi | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus quenuiae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lactobacillus porcinae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |