| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| Mvl | MARVEL[1112] | |||
| Mv | MAYVIEW[1112] | |||
| MM | MCMURACHY[1112] | |||
| My | MEALY[1112] | |||
| Mi | MEDITERRANEAN[1112] | |||
| Mta | MENTANA[1112] | |||
| Mik | MICHIKOF[1112] | |||
| Ml | MILAM[1112] | |||
| Md | MINDUM[1112] | |||
| Mh | MINHARDI[1112] | |||
| Mnt | MINTER[1112] | |||
| Mtr | MINTURKI[1112] | |||
| Mkn | MOKING[1112] | |||
| Mn | MONAD[1112] | |||
| Mnn | MONON[1112] | |||
| Mtn36 | MONTANA-36[1112] | |||
| Mid | MOSIDA[1112] | |||
| Nbb | NABOB[1112] | |||
| Nb6 | NEBRASKA-6[1112] | |||
| Nb28 | NEBRASKA-28[1112] |