| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Streptomyces daghestanicus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cyslabdanicus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cyaneus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cyaneofuscatus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cyaneochromogenes | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cuspidosporus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces curacoi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces crystallinus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cremeus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces costaricanus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coryli | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces corchorusii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces collinus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coerulescens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coeruleorubidus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coeruleoprunus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coeruleofuscus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coelicoflavus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coelescens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cocklensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces coacervatus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces clavuligerus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces clavifer | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cirratus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinnamoneus subsp. cinnamoneus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinnamoneus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinnamoneus subsp. albosporus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinnabarinus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinnabarigriseus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Streptomyces cinerochromogenes | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |