| Name | Agaricus hapalopus Kalchbrenner |
| Authorship | Kalchbrenner |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:509560 |
| Citation | 1877 Bull. Soc. Imp. Naturalistes Moscou 52(1): 141 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Agaricus hapalopus Kalchbrenner |
| Identification made in | [no date] (2) |