| Name | Diderma effusum (Schweinitz) Morgan |
| Authorship | (Schweinitz) Morgan |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Diderma |
| Contains | Diderma effusum var. microsporum Nannenga-Bremekamp & Y. Yamamoto Diderma effusum var. pachytrichon Nannenga-Bremekamp |
| GUID | urn:lsid:indexfungorum.org:names:212838 |
| Holdings | 36 Specimens held in the Harvard University Herbaria identified as Diderma effusum (Schweinitz) Morgan |
| Identification made in | [no date] (36) |