| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Neisseria meningitidis | 5 | 2190 | HMP |
| Neisseria subflava | 2 | 3 | HMP/MGYG |
| Neobacillus jeddahensis | 1 | 2 | MGYG |
| Nesterenkonia massiliensis | 1 | 2 | MGYG |
| Nigerium massiliense | 1 | 2 | MGYG |
| Nissabacter archeti | 1 | 2 | MGYG |
| Nitrobacter winogradskyi | 1 | 3 | HMP |
| Nitrosomonas europaea | 1 | 4 | HMP |
| Nitrosospira multiformis | 1 | 8 | HMP |
| Nocardiopsis dassonvillei | 1 | 8 | HMP |