| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01122150 |
| Collector | G. D. Darker |
| Collector number | 4859 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Norfolk County: East Walpole |
| Locality | [no additional data] |
| Date Collected | 1933-08-27 |
| Host | On Castanea dentata (Marsh.) Borkh. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9054b387-e052-4ef4-993e-55cb7c543dbd |
| Harvard University Herbaria Barcode | 01122150 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determined by | Darker, Grant Dooks |
| Determination Remarks | [is label name] |
| Family | Erysiphaceae |
| Determination | Microsphaera americana U. Braun |
| Determined by | Braun, Uwe |
| Date Determined | 1982-02-15 |
| Determination Remarks | [is filed under name] |
| Family | Erysiphaceae |
| Determination | Erysiphe castaneae U. Braun |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
