| Name | Lepiota mammiformis Underwood |
| Authorship | Underwood |
| Rank | Species |
| Placed in | Lepiota |
| GUID | urn:lsid:indexfungorum.org:names:356191 |
| Citation | 1897 Bull. Torrey Bot. Club 24: 82 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lepiota mammiformis Underwood |
| Identification made in | [no date] (2) |