| Name | Erysiphe paeoniae R. Y. Zheng & G. Q. Chen |
| Authorship | R. Y. Zheng & G. Q. Chen |
| Rank | Species |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1981 Sydowia 34: 300 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Erysiphe paeoniae R. Y. Zheng & G. Q. Chen |
| Identification made in | [no date] (2), 2021 (1) |