| Name | Agaricus ephippium Fries |
| Authorship | Fries |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:516807 |
| Citation | 1838 ["1836-1838"] Epicr. Syst. Mycol. 85 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Agaricus ephippium Fries |
| Identification made in | [no date] (2) |