| Mathiasella Constance & C.L. Hitchc., 1954 |
| Mathiasella bupleuroides Constance & Hitchc., 1954 |
| Micropleura Lag., 1825 |
| Micropleura renifolia Lag., 1825 |
| Museniopsis (A. Gray) J.M. Coult. & Rose, 1888 |
| Museniopsis aegopodioides (Kunth) J.M. Coult. & Rose, 1895 |
| Museniopsis cordata J.M. Coult. & Rose, 1895 |
| Museniopsis peucedanoides J.M. Coult. & Rose, 1895 |
| Musineon Raf., 1820 |
| Musineon divaricatum (Pursh) Nutt., 1840 |
| Myrrhidendron J.M. Coult. & Rose, 1894 |
| Myrrhidendron donnellsmithii J.M. Coult. & Rose, 1894 |
| Neogoezia Hemsl., 1894 |
| Neogoezia breedlovei Constance, 1987 |
| Neogoezia gracilipes (Hemsl.) Hemsl., 1894 |
| Neogoezia macvaughii Constance, 1987 |
| Neogoezia minor Hemsl., 1894 |
| Neogoezia planipetala (Hemsl.) Hemsl., 1894 |
| Neonelsonia J.M. Coult. & Rose, 1895 |
| Neonelsonia acuminata (Benth.) J.M. Coult. & Rose, 1898 |