| Name | Erysiphe asterum Schweinitz |
| Authorship | Schweinitz |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1832 ["1834"] Trans. Amer. Philos. Soc. n.s. 4(2): 270 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe asterum Schweinitz |
| Identification made in | [no date] (1) |