| Name | Marasmius pusio Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Marasmius |
| Citation | 1853 Ann. Mag. Nat. Hist. 12: 426 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Marasmius pusio Berkeley & M. A. Curtis |
| Identification made in | [no date] (1) |