| Name | Erysiphe ornata (U. Braun) U. Braun & S. Takamatsu |
| Authorship | (U. Braun) U. Braun & S. Takamatsu |
| Rank | Species |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 2000 Schlechtendalia 4: 12 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Erysiphe ornata (U. Braun) U. Braun & S. Takamatsu |
| Identification made in | [no date] (2) |