| Name | Erysiphe cruchetiana S. Blumer |
| Authorship | S. Blumer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1933 Hedwigia 34 (3 & 4): 692 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe cruchetiana S. Blumer |
| Identification made in | [no date] (1) |
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