| Name | Agaricus polypus Kalchbrenner |
| Authorship | Kalchbrenner |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:486138 |
| Citation | 1877 Flora Jena 60: 408 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Agaricus polypus Kalchbrenner |
| Identification made in | [no date] (1) |