| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 01085075 |
| Collector | |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Arlington |
| Locality | [no additional data |
| Date Collected | 1896-10-07 |
| Host | on Alnus |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b4198dd7-b32c-4bbe-b0ca-ead4b739fecb |
| Harvard University Herbaria Barcode | 01085075 |
| Herbarium | FH |
| Previous ownership | Gift of C. W. Dodge |
| Family | Erysiphaceae |
| Determination | Erysiphe alnicola M. Bradshaw |
| Determined by | Mitchell, James Kameron |
| Date Determined | 2024-12-03 |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Microsphaera penicillata (Wallroth) Léveillé |
| Determination Remarks | [filed under] |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
