| Name | Erysiphe hyoscyami R. Y. Zheng & G. Q. Chen |
| Authorship | R. Y. Zheng & G. Q. Chen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1981 Sydowia 34: 310 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe hyoscyami R. Y. Zheng & G. Q. Chen |
| Identification made in | [no date] (1) |