| Name | Phaeomarasmius siparius (Fries) Singer |
| Authorship | (Fries) Singer |
| Rank | Species |
| Placed in | Phaeomarasmius |
| GUID | urn:lsid:indexfungorum.org:names:302729 |
| Citation | 1951 ["1949"] Lilloa 22: 577 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phaeomarasmius siparius (Fries) Singer |
| Identification made in | [no date] (1) |