| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bacillus acanthi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bacillus abyssalis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azotobacter paspali | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azotobacter nigricans subsp. achromogenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azotobacter macrocytogenes | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum largomobile | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum irakense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum cavernae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum brasiliense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum argentinense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospirillum amazonense | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azospira inquinata | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azomonotrichon | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azomonotrichon macrocytogenes T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azomonas insignis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azohydromonas sediminis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus toluvorans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus tolulyticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus toluclasticus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus pumilus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus evansii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus buckelii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Azoarcus anaerobius | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Avibacterium endocarditidis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium trichothecenolyticum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium testaceum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium terregens | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium terrae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Aureobacterium schleiferi | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |