| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01122077 |
| Collector | Egger |
| Country | Canada |
| State | New Brunswick |
| Geography | North America: North America (CA, US, MX) (Region): Canada: New Brunswick |
| Locality | Entrance to Fontaine R. road, Kouchibouguac National Park; UTM 488897 |
| Date Collected | 1978-08-25 |
| Habitat | Alder thicket beside road |
| Substrate | catkins |
| Host | on Alnus rugosa |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/84144d62-a47c-4dc5-87e2-74e586aede62 |
| Harvard University Herbaria Barcode | 01122077 |
| Herbarium | FH |
| Previous ownership | [ex] National Mycological Herbarium of Canada, Herbier National de Mycologie du Canada, DAOM 169326 |
| Family | Erysiphaceae |
| Determination | Erysiphe aggregata (Peck) Farlow |
| Determined by | Parmelee, John Aubrey |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
