| Name | Erysiphe sp. |
| Authorship | |
| Rank | Species |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Holdings | 106 Specimens held in the Harvard University Herbaria identified as Erysiphe sp. |
| Identification made in | [no date] (104), 1984 (1), 2022 (1) |
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