| Name | Gymnopus castaneidiscus Murrill |
| Authorship | Murrill |
| Rank | Species |
| Placed in | Gymnopus |
| GUID | urn:lsid:indexfungorum.org:names:251314 |
| Citation | 1939 Bull. Torrey Bot. Club 66: 157 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Gymnopus castaneidiscus Murrill |
| Identification made in | [no date] (4) |