| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bernardetiaceae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bermanella marisrubri T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bermanella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bergeyella zoohelcum T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bergeyella porcorum | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bergeyella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bergeriella denitrificans T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bergeriella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belnapia soli | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belnapia rosea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belnapia moabensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belnapia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bellilinea caldifistulae T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Bellilinea | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella pelovolcani | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella marina | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella kenyensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella buryatensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella baltica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella aquatica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Belliella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia mobilis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia indica subsp. lacticogenes | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia indica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia indica subsp. indica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia doebereinerae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia derxii subsp. venezuelae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia derxii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia derxii subsp. derxii | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Beijerinckia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |