| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces aureus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aureoverticillatus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aureorectus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aureocirculatus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces auratus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aurantiogriseus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aurantiacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces atrovirens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces atroolivaceus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces atriruber | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces atratus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces atacamensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces asterosporus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces asiaticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces asenjonii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces ascomycinicus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces artemisiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces armeniacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aridus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces arenae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces ardus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces ardesiacus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces arcticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces arboris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces araujoniae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aquilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces aqsuensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces apocyni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces anulatus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces antibioticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |