| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972411 |
| Collector | J. Dearness |
| Country | Canada |
| State | Ontario |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario |
| Locality | London |
| Date Collected | 1910-10-** |
| Host | On Eupatorium perfoliatum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e7372c59-817b-465f-861e-cc757b4a2259 |
| Harvard University Herbaria Barcode | 00972411 |
| Herbarium | FH |
| Previous ownership | [ex] Rehm: Ascomycetes 1950 |
| Family | Erysiphaceae |
| Determination | Erysiphe cichoracearum de Candolle |
| Determined by | Braun, Uwe |
| Date Determined | 1985-09-02 |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Erysiphe cichoracearum f. eupatorii Rehm |
| Determined by | Rehm, Heinrich (Simon Ludwig Frederich Felix) |
| Determination Remarks | [filed under] [label name] |
| Subcollection | von Höhnel Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
