| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardioides alcanivorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia testaceus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia sulphurea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia sputi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia soli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia senatus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia saturnea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia rugosa | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia rosealba | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia restricta | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia pinensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia petroleophila | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia orientalis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia noduli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia mediterranei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia mediterranea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia hydrocarbonoxydans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia cyriacigeorgici | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia cummidelens | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia coffeae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia cellulans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia calcarea | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia bhagyanesis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia autotrophica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia amarae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia alni | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia albiluteola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nocardia acididurans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nitrospirillum irinus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Nitrospira marina T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |