| Classification | Erysiphe: Erysiphales: Erysiphaceae: Ascomycota: Fungi |
| Classification 1 | Microsphaera: Erysiphales: Erysiphaceae: Ascomycota: Fungi |
| Harvard University Herbaria Barcode(s) | 01085180 |
| Collector | W. Trelease |
| Country | United States of America |
| State | Wisconsin |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin |
| Locality | [no additional data] |
| Date Collected | 1882 |
| Host | on Corylus americana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bb689cc5-70d9-49fb-b3d0-3b6505e955d5 |
| Harvard University Herbaria Barcode | 01085180 |
| Herbarium | FH |
| Previous ownership | [ex] Herb. W. G. Farlow |
| Family | Erysiphaceae |
| Determination | Erysiphe coryli-americanae M. Bradshaw |
| Determined by | Mitchell, James Kameron |
| Date Determined | 2025-03-18 |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | Microsphaera penicillata (Wallroth) Léveillé |
| Determination Remarks | [label name] |
| Family | Erysiphaceae |
| Determination | Microsphaera ellisii U. Braun |
| Determined by | Braun, Uwe |
| Date Determined | 1982-02-10 |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
