| Name | Erysiphe cichoracearum f. verbasci Jaczewski |
| Authorship | Jaczewski |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe cichoracearum de Candolle |
| Citation | 1927 Karm. Opred. Grib. Vyp. 2. Muchn.-Ros. Griby 224 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe cichoracearum f. verbasci Jaczewski |
| Identification made in | [no date] (1) |
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