| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardioides agrisoli | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardioides agariphilus | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardioides aestuarii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardioides | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia zhihengii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia zapadnayensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia yunnanensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia yamanashiensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia xishanensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia xestospongiae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia wallacei | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia vulneris | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia vinacea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia veterana | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia vermiculata | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia vaccinii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia uniformis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia transvalensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia thraciensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia thailandica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia testacea | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia terpenica | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia tengchongensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia tenerifensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia takedensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia sungurluensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia stercoris | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia speluncae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia sienata | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia shinanonensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |