| Name | Agaricus placomyces Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:250161 |
| Citation | 1878 ["1876"] Rep. (Annual) New York State Mus. Nat. Hist. 29: 40 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Agaricus placomyces Peck |
| Identification made in | [no date] (13) |