| Name | Didymosphaeria effusa Niessl |
| Authorship | Niessl |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Didymosphaeria |
| Citation | 1875 Oesterr. Bot. Z. 25(4): 130 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Didymosphaeria effusa Niessl |
| Identification made in | [no date] (1) |