| Name | Erysiphe necator var. ampelopsidis (Peck) U. Braun & S. Takamatsu |
| Authorship | (Peck) U. Braun & S. Takamatsu |
| Rank | Variety |
| Placed in | Erysiphe necator Schweinitz |
| Citation | 2000 Schlechtendalia 4: 22 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Erysiphe necator var. ampelopsidis (Peck) U. Braun & S. Takamatsu |
| Identification made in | [no date] (2) |