| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bradyrhizobium barranii subsp. apii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bradyrhizobium australafricanum | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Brachybacterium kimchii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Brachybacterium halotolerans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bowmanella pacificus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bowdenia | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Bowdenia nasicola T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Botrimarina hoheduenensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella yangtzensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella valaisiana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella spielmanii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella sinica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella mayonii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella lanei | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella kurtenbachii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella japonica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella garinii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella carolinensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella californiensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella burgdorferi T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella bissettiae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella bavariensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella americana | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borreliella afzelii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borrelia venezuelensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borrelia turicatae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borrelia turdae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borrelia tillae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Borrelia theileri | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |