| Name | Agaricus ectypoides Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:372101 |
| Citation | 1872 ["1871"] Rep. (Annual) New York State Mus. Nat. Hist. 24: 61 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Agaricus ectypoides Peck |
| Identification made in | [no date] (2) |