| Name | Cortinarius nigrellus Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Cortinarius |
| GUID | urn:lsid:indexfungorum.org:names:157097 |
| Citation | 1873 ["1873-1874"] Bull. Buffalo Soc. Nat. Sci. 1(2): 56 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cortinarius nigrellus Peck |
| Identification made in | [no date] (2) |