| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972996 |
| Collector | R. Thaxter |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Stony Brook |
| Locality | [no additional data] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9b6d6b4b-eec6-446c-9846-cb28d1814b4a |
| Harvard University Herbaria Barcode | 00972996 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of Roland Thaxter, Bequest, 1932 |
| Family | Erysiphaceae |
| Determination | Erysiphe aggregata (Peck) Farlow |
| Determined by | Thaxter, Roland |
| Determination Remarks | [filed under] [label name] [current name] |
| Accession Number | FH 5285 |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |