| Name | Erysiphe cynoglossi (Wallroth) U. Braun | 
| Authorship | (Wallroth) U. Braun | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries | 
| Citation | 1982 Mycotaxon 15: 136 | 
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Erysiphe cynoglossi (Wallroth) U. Braun | 
| Identification made in | [no date] (5), 1983 (1), 1984 (1), 1985 (6) |