| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardia gamkensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia fluminea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia flavorosea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia farcinica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia exalbida | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia endophytica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia elegans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia donostiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia cyriacigeorgica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia crassostreae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia coubleae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia corynebacterioides | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia concava | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia colli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia coeliaca | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia cerradoensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia cavernae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia casuarinae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia carnea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia camponoti | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia callitridis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia caishijiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia brevicatena | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia brasiliensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia bovistercoris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia blacklockiae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia bhagyanarayanae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia beijingensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia barduliensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia aurea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |