| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Bifidobacterium myosotis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium moukalabense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium moraviense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium mongoliense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium minimum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium merycicum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium margollesii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium magnum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium longum subsp. suis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium longum subsp. suillum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium longum subsp. longum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium longum subsp. infantis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium longum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium leontopitheci | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium lemurum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium jacchi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium italicum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium indicum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium imperatoris | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium hapali | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium goeldii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium globosum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium gallinarum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium gallinarum subsp. saeculare | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium gallicum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium felsineum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium faecale | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium eulemuris | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium erythrocebi | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Bifidobacterium dolichotidis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |