| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces barkulensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces bangladeshensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces bambusae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces baliensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces badius | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces bacillaris | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces azureus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces axinellae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces avidinii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces avicenniae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces avermitilis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aureus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aureoverticillatus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aureorectus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aureocirculatus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces auratus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aurantiogriseus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aurantiacus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces atrovirens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces atroolivaceus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces atriruber | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces atratus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces atacamensis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces asterosporus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces asiaticus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces asenjonii | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces ascomycinicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces artemisiae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces armeniacus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Streptomyces aridus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |