| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Nocardia uniformis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia transvalensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia thraciensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia thailandica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia testacea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia terpenica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia tengchongensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia tenerifensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia takedensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia sungurluensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia stercoris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia speluncae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia sienata | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia shinanonensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia shimofusensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia seriolae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia salmonicida subsp. salmonicida | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia salmonicida | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia salmonicida subsp. cummidelens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia rhizosphaerihabitans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia rhamnosiphila | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia rayongensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia puris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia pseudovaccinii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia pseudobrasiliensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia polyresistens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia pneumoniae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia pigrifrangens | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Nocardia paucivorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |