| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Methylorubrum populi | 1 | 4 | HMP |
| Methylosinus trichosporium | 1 | 2 | HMP |
| Methylotenera mobilis | 1 | 2 | HMP |
| Methylotenera versatilis | 1 | 3 | HMP |
| Methylovorus glucosotrophus | 1 | 2 | HMP |
| Micrococcus luteus | 3 | 110 | HMP/MGYG |
| Microcystis aeruginosa | 1 | 52 | HMP |
| Microvirga massiliensis | 1 | 3 | MGYG |
| Mitsuokella jalaludinii | 1 | 5 | MGYG |
| Mitsuokella multacida | 2 | 4 | HMP/MGYG |