| Name | Marasmiellus mesosporus Singer | 
| Authorship | Singer | 
| Rank | Species | 
| Placed in | Marasmiellus | 
| GUID | urn:lsid:indexfungorum.org:names:317200 | 
| Citation | 1973 Mycologia 65(2): 469 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Marasmiellus mesosporus Singer | 
| Identification made in | [no date] (2) |