| Name | Erysiphe lanuginosa Fuckel |
| Authorship | Fuckel |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1871 Bot. Zeitung (Berlin) 29(2): 27 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Erysiphe lanuginosa Fuckel |
| Identification made in | [no date] (3), 1984 (1) |
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