| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 01122217 |
| Collector | G. D. Darker |
| Collector number | 6464 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | Stony Brook Reservation |
| Date Collected | 1937-09-26 |
| Host | On Viburnum lentago L. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b27dfd5d-a1f9-4e84-ae85-71eaf5dedd5e |
| Harvard University Herbaria Barcode | 01122217 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe viburni Duby |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Microsphaera sparsa Howe |
| Determined by | Braun, Uwe |
| Date Determined | 1982-02-15 |
| Determination Remarks | [filed under] |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determined by | Darker, Grant Dooks |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
