| Name | Oidium simile Berkeley |
| Authorship | Berkeley |
| Rank | Species |
| Placed in | Oidium |
| Citation | 1845 London J. Bot. 4: 310 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Oidium simile Berkeley |
| Identification made in | [no date] (1), 1970 (1) |