| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces cavourensis subsp. cavourensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cavernae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces catenulae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces castelarensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces carpinensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces carpaticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces capparidis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces capoamus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces capitiformicae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces capillispiralis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces canus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces caniferus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cangkringensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces candidus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces canarius | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces canalis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces camponoticapitis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces calvus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces calidiresistens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces caldifontis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cahuitamycinicus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces caeruleatus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces caeni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces caelestis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cadmiisoli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cacaoi subsp. cacaoi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cacaoi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces cacaoi subsp. asoensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces burgazadensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Streptomyces bungoensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |