| 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) |