| Name | Oidium myosotidis Rabenhorst ex Jaczewski |
| Authorship | Rabenhorst ex Jaczewski |
| Rank | Species |
| NomenclaturalStatus | NomSuperfl |
| Placed in | Oidium |
| Citation | 1927 Karm. Opred. Grib. Vyp. 2. Muchn.-Ros. Griby 460 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oidium myosotidis Rabenhorst ex Jaczewski |
| Identification made in | [no date] (1) |