| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 01085077 |
| Collector | E. W. Thompson |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts |
| Locality | Ballardvale |
| Date Collected | 1924-10-06 |
| Substrate | leaves of ... |
| Host | Cornus stolonifera |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5bfa0169-b6a8-4909-88db-831e88e9734f |
| Harvard University Herbaria Barcode | 01085077 |
| Herbarium | FH |
| Previous ownership | Gift of C. W. Dodge, Dodge 3034; [ex] Herbarium of E. Ward Thompson |
| Family | Erysiphaceae |
| Determination | InQuestion Erysiphe pulchra (Cooke & Peck) U. Braun & S. Takamatsu |
| Determined by | Mitchell, James Kameron |
| Date Determined | 2024-12-03 |
| Determination Remarks | [current name] |
| Annotation Text | host more closely related to C. alternifolia than big-branched dogwoods |
| Family | Erysiphaceae |
| Determination | Microsphaera pulchra Cooke & Peck |
| 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 |