| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Leyella stercorea | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leyella lascolaii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Lewinella nigricans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Levinea | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Levinea malonatica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Levinea amalonatica | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Levilactobacillus humaensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc pseudoficulneum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc paramesenteroides | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc oenos | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc oeni | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc mesenteroides subsp. suionicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc gasicomitatum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc fructosum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc ficulneum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc durionis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc dextranicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc cremoris | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc argentinum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leuconostoc amelibiosum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter viscericola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter soli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter musarum subsp. musarum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter musarum subsp. japonicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter insecticola | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter coleopterorum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter chinensis | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leucobacter celer subsp. astrifaciens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leptotrichia goodfellowii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Leptothrix ochracea | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |