| Name | Cortinarius castanoides Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Cortinarius |
| Citation | 1872 ["1870"] Rep. (Annual) New York State Mus. Nat. Hist. 23: 111 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cortinarius castanoides Peck |
| Identification made in | [no date] (1) |