| Bot. variety | Species | Awnedness | Pubescence | Glume Color | Seed Color | Awn Color |
|---|---|---|---|---|---|---|
| megalopolitanum | TR.TG | Y | Y | W | W | W |
| melaleucum | TR.DR | |||||
| melanatherum | TR.TG | Y | N | W | W | B |
| melanopogon | TR.AE | Y | N | W | R | B |
| melanopogoncompactoides | TR.AE | Y | N | W | R | W |
| melanopus | TR.DR | Y | Y | W | W | B |
| melanorubrum | TR.AE | N | Y | E | W | |
| meridionale | TR.AE | Y | Y | W | W | W |
| meridionalecompactoides | TR.AE | Y | Y | W | W | W |
| meridionalinflatum | TR.AE | Y | Y | W | W | W |
| mesopotamicum | TR.AE | Y | Y | D | W | |
| miegei | TR.DN | Y | N | W | R | W |
| miguschovae | TR.CO | |||||
| milturum | TR.AE | N | N | R | R | |
| mirabile | TR.TG | Y | Y | R | W | R |
| mirabile | TR.AE | N | Y | D | W | |
| monococcum | TR.MO | Y | N | W | R | W |
| montanum | TR.CO | A | Y | R | W | B |
| morosovskense | TR.AE | Y | N | C | W | |
| mravianii | TR.VA | N | N | W | W |