| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Lechevalieria flava | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lechevalieria deserti | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lechevalieria atacamensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lechevalieria aerocolonigenes T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Leadbettera | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Leadbettera azotonutricia T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lawsonibacter hominis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lawsonibacter faecis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lawsonibacter celer | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Latilactobacillus fragifolii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Larkinella roseus | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lapidilactobacillus luobeiensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lamprobacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lamprobacter modestohalophilus T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Laedolimicola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Laedolimicola ammoniilytica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactosphaera | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactosphaera pasteurii T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactococcus lactis subsp. tructae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactococcus garvieae subsp. bovis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactococcus formosensis subsp. formosensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactococcus formosensis subsp. bovis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactococcus cremoris subsp. cremoris | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zymae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zhongbaensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zhaoyuanensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zhaodongensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zhachilii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus zeae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Lactobacillus yonginensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |