| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Fenollaria massiliensis | 1 | 2 | MGYG |
| Fibrobacter intestinalis | 1 | 2 | MGYG |
| Fibrobacter succinogenes | 1 | 5 | HMP |
| Finegoldia magna | 6 | 27 | HMP/MGYG |
| Flaviflexus massiliensis | 1 | 2 | MGYG |
| Flavobacterium johnsoniae | 1 | 6 | HMP |
| Flavobacterium lindanitolerans | 1 | 2 | MGYG |
| Flavobacterium psychrophilum | 1 | 253 | HMP |
| Flavonifractor plautii | 1 | 55 | MGYG |
| Fournierella massiliensis | 1 | 4 | MGYG |