| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphella |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972990 |
| Collector | |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Newton |
| Locality | Hammond's Pond |
| Date Collected | 1877-02-** |
| Container | Plants of Michigan, U. S. A. |
| Host | on Alnus |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/58774d76-3281-44d1-88fc-f98dda66da51 |
| Harvard University Herbaria Barcode | 00972990 |
| Herbarium | FH |
| Previous ownership | [ex] Herb. W. G. Farlow |
| Family | Erysiphaceae |
| Determination | Erysiphella aggregata Peck |
| Determination Remarks | [0] [is label name] |
| Family | Erysiphaceae |
| Determination | Erysiphe aggregata (Peck) Farlow |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
