| Name | Marasmius petalinus Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Marasmius |
| Citation | 1860 ["1858"] Proc. Amer. Acad. Arts 4: 119 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Marasmius petalinus Berkeley & M. A. Curtis |
| Identification made in | [no date] (1), 1991 (1) |