| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe | 
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Uncinula | 
| Harvard University Herbaria Barcode(s) | 01085393 | 
| Collector | E. T. Harper & S. A. Harper | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan | 
| Locality | Sailors Encampment | 
| Date Collected | 1897-08-06 | 
| Host | on Populus balsamifera L. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/69ba0e54-4eca-49dd-9ccd-2b86070a640d | 
| Harvard University Herbaria Barcode | 01085393 | 
| Herbarium | FH | 
| Previous ownership | From the Cryptogamic Herbarium, Field Museum of Natural History | 
| Family | Erysiphaceae | 
| Determination | Erysiphe adunca (Wallroth) Fries: Fries | 
| Determination Remarks | [current name] | 
| Family | Erysiphaceae | 
| Determination | Uncinula adunca (Wallroth) Léveillé | 
| Determination Remarks | [filed under] | 
| Family | Erysiphaceae | 
| Determination | Uncinula salicis (de Candolle) G. Winter | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |