| Name | Erysiphe plantaginis Castagne |
| Authorship | Castagne |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1845 Cat. Pl. Marseille 188 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Erysiphe plantaginis Castagne |
| Identification made in | [no date] (2) |
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