| Name | Pleonosporium purpuriferum (Kuetzing) De Toni |
| Authorship | (Kuetzing) De Toni |
| Rank | Species |
| Placed in | Pleonosporium Nägeli |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pleonosporium purpuriferum (Kuetzing) De Toni |
| Identification made in | [no date] (1) |