| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces longisporoflavus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lonarensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lomondensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces litoralis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces litmocidini | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lincolnensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lilacinus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lienomycini | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lichenis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces libani subsp. rufus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces libani | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces libani subsp. libani | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces levis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces leeuwenhoekii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavendulocolor | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavenduligriseus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavendulae subsp. lavendulae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavendulae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavendulae subsp. grasserius | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lavendofoliae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces laurentii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lateritius | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lasiicapitis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lasalocidi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lannensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lanatus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces laculatispora | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lacticiproducens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lactacystinicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lacrimifluminis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |