| Name | Oidium farinosum Cooke |
| Authorship | Cooke |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oidium |
| Citation | 1887 Grevillea 16(77): 10 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Oidium farinosum Cooke |
| Identification made in | [no date] (2) |