| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces massasporeus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces mashuensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces marokkonensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces marinus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces manipurensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces mangrovi | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces manganisoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces malaysiensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces malachitospinus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces malachitofuscus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces macrosporus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lydicus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lycii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces luteus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces luteosporeus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces luteogriseus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces luteireticuli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lusitanus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lushanensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces luridus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lunalinharesii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lunaelactis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lucensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces lopnurensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces longwoodensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces longisporus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Streptomyces longispororuber | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| 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 |