| Gymnopus acervatus (Fr.) Murrill, 1916 |
| Gymnopus alkalivirens (Singer) Halling, 1997 |
| Gymnopus androsaceus (L.) Della Maggiora & Trassinelli, 2014 |
| Gymnopus confluens (Pers.) Antonín, Halling & Noordel., 1997 |
| Gymnopus dryophilus (Bull.) Murrill, 1916 |
| Gymnopus erythropus (Pers.) Antonín, 1997 |
| Gymnopus fibrosipes (Berk. & M. A. Curtis) J. L. Mata, 2003 |
| Gymnopus fuscopurpureus (Pers.) Antonín, Halling & Noordel., 1997 |
| Gymnopus fusipes (Bull.) Gray, 1821 |
| Gymnopus iocephalus (Berk. & M. A. Curtis) Halling, 1997 |
| Gymnopus omphalodes (Berk.) Halling & J. L. Mata, 2004 |
| Gymnopus orizabensis Murrill, 1916 |
| Gymnopus peronatus (Bolton) Gray, 1821 |
| Gymnopus polyphyllus (Peck) Halling, 1997 |
| Gymnopus quercophilus (Pouzar) Antonín & Noordel., 2008 |
| Gymnopus roseilividus Murrill, 1916 |
| Gymnopus russulus (Schaeff.) Gray, 1821 |
| Gymnopus subnudus (Elix ex Peck) Halling, 1997 |
| Gymnopus subsulphureus (Peck) Murrill, 1916 |
| Hydropus Kühner ex Singer, 1948 |