| Name | Oidium medicagineum Thümen |
| Authorship | Thümen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oidium |
| Citation | 1879 Grevillea 8(46): 49 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oidium medicagineum Thümen |
| Identification made in | [no date] (1) |