| Name | Cortinarius opimus Fries | 
| Authorship | Fries | 
| Rank | Species | 
| Placed in | Cortinarius | 
| GUID | urn:lsid:indexfungorum.org:names:157994 | 
| Citation | 1838 ["1836-1838"] Epicr. Syst. Mycol. (Upsaliae): 278 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cortinarius opimus Fries | 
| Identification made in | [no date] (1) |