| Name | Oidium euonymi-japonici (Arcangeli) Saccardo |
| Authorship | (Arcangeli) Saccardo |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oidium |
| Citation | 1905 Ann. Mycol. 3(1): 5 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Oidium euonymi-japonici (Arcangeli) Saccardo |
| Identification made in | [no date] (10), 1929 (1) |