| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Uncinula |
| Harvard University Herbaria Barcode(s) | 01085407 |
| Collector | R. C. Rollins |
| Collector number | 749 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Fremont County |
| Locality | North Fork of the Popo Agie R. |
| Date Collected | 1934-08-17 |
| Host | On Populus tremuloides Michx. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b4466a00-d73d-47d0-9602-73bfe124228f |
| Harvard University Herbaria Barcode | 01085407 |
| Herbarium | FH |
| 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 | Rollins, Reed Clark |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
