| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardia shimofusensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia seriolae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia salmonicida subsp. salmonicida | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia salmonicida | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia salmonicida subsp. cummidelens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia rhizosphaerihabitans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia rhamnosiphila | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia rayongensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia puris | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia pseudovaccinii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia pseudobrasiliensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia polyresistens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia pneumoniae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia pigrifrangens | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia paucivorans | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia otitidiscaviarum | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia nova | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia niwae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia ninae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia niigatensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia neocaledoniensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia miyunensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia mikamii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia mexicana | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia mangyaensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia macrotermitis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia lijiangensis | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia lasii | Unknown | Valid (ICNP) | Excubia bot about 5 years ago | |
| Nocardia kruczakiae | Unknown | Valid (ICNP) | Excubia bot about 5 years ago |