| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Uncinula |
| Harvard University Herbaria Barcode(s) | 01085398 |
| Collector | D. B. O. Savile |
| Country | Canada |
| State | Ontario |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario |
| Locality | Ottawa |
| Date Collected | 1944-10-04 |
| Host | on Populus tacamahacca Mill. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c27027c2-a072-491c-bafd-3f6fa33ba97d |
| Harvard University Herbaria Barcode | 01085398 |
| Herbarium | FH |
| Previous ownership | Ex Mycological Herbarium, Science Service, Department of Agriculture, Ottawa, Canada, No. 14646 |
| 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 |
| Determined by | Savile, Douglas Barton Osborne |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
