| Name | Agaricus hypopithys Fries |
| Authorship | Fries |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:452909 |
| Citation | 1874 Hyménomyc. Eur. [Patouillard] (Upsaliae): 183 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Agaricus hypopithys Fries |
| Identification made in | [no date] (2) |