| Marasmius sublividus (Murrill) Sacc. & Trotter, 1925 |
| Marasmius sullivanti Mont., 1856 |
| Marasmius tageticolor Berk., 1856 |
| Marasmius tenacellus (Pers.) J. Favre, 1939 |
| Marasmius trinitatis Dennis, 1951 |
| Marasmius wilsonii Murrill, 1915 |
| Marasmius xerampelianus Singer, 1976 |
| Megacollybia Kotl. & Pouzar, 1972 |
| Megacollybia platyphylla (Pers.) Kotl. & Pouzar, 1972 |
| Micromphale Gray, 1821 |
| Micromphale griseum Singer, 1973 |
| Micromphale inodorum (Pat. Dennis), 1961 |
| Micromphale separatum Singer, 1973 |
| Moniliophthora H.C. Evans, Stalpers, Samson & Benny, 1978 |
| Moniliophthora perniciosa (Stahel) Aime & Phillips-Mora, 2006 |
| Moniliophthora roreri Cif., 1978 |
| Nothopanus Singer, 1944 |
| Nothopanus eugrammus (Mont.) Singer, 1944 |
| Nothopanus hygrophanus (Mont.) Singer, 1969 |
| Nothopanus lignatilis (Pers.) Bon, 1986 |