| Marasmius peronatus (Bolton) Fr., 1836 |
| Marasmius plicatulus Peck, 1897 |
| Marasmius proletarius Berk. & M. A. Curtis, 1868 |
| Marasmius pseudocorrugatus Singer, 1965 |
| Marasmius pusio Berk. & M. A. Curtis, 1853 |
| Marasmius quercophilus Pouzar, 1982 |
| Marasmius ramealis (Bull.) Fr., 1838 |
| Marasmius rotula (Scop.) Fr., 1838 |
| Marasmius rubroflavus (Theiss.) Singer, 1951 |
| Marasmius rufomarginatus Singer, 1959 |
| Marasmius ruforotula Singer, 1948 |
| Marasmius scorodonius (Fr.) Fr., 1836 |
| Marasmius scototephrodes Singer, 1976 |
| Marasmius siccus (Schwein.) Fr., 1838 |
| Marasmius singeri Guzmán, 1974 |
| Marasmius spegazzinii Sacc. & P. Syd., 1899 |
| Marasmius strictipes (Peck) Singer, 1943 |
| Marasmius sublividus (Murrill) Sacc. & Trotter, 1925 |
| Marasmius tageticolor Berk., 1856 |
| Marasmius tenacellus (Pers.) J. Favre, 1939 |