| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Moniliaceae: Oidium |
| Harvard University Herbaria Barcode(s) | 01085426 |
| Collector | W. Trelease |
| Collector number | 1542 |
| Country | Portugal |
| State | Azores |
| Geography | Europe: Europe (Region) (Region): Portugal: Azores |
| Locality | Flores |
| Date Collected | 1894-08-13 |
| Host | on Rumex acetosella |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8b945b37-eea9-4fbc-af61-3f60c8ef68c3 |
| Harvard University Herbaria Barcode | 01085426 |
| Herbarium | FH |
| Previous ownership | Ex. Herb. Wm. Trelease |
| Family | Erysiphaceae |
| Determination | Erysiphe acetosae M. Bradshaw, U. Braun & J. K. Mitchell |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | InQuestion Erysiphe communis (Wallroth) Schlechtendal: Fries |
| Determination Remarks | [label name] |
| Family | Moniliaceae |
| Determination | Oidium sp. |
| Determined by | Braun, Uwe |
| Date Determined | 1983-09-05 |
| Annotation Text | Oidium! |
| Family | Erysiphaceae |
| Determination | Erysiphe polygoni de Candolle |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
