| Name | Erysiphe lygodesmiae (Ellis & Everhart) Theissen |
| Authorship | (Ellis & Everhart) Theissen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1917 Ann. Mycol. 15(3/4): 277 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe lygodesmiae (Ellis & Everhart) Theissen |
| Identification made in | [no date] (1) |