| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01122148 |
| Collector | J. F. Collins |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | Marticville |
| Date Collected | 1912-09-04 |
| Substrate | leaves |
| Host | On Catalpa |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eb809956-8ed5-41bf-9689-48323dc7859b |
| Harvard University Herbaria Barcode | 01122148 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of J. Franklin Collins, Donated, 1939 |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determined by | Kevorkian, Arthur George |
| Determination Remarks | [is filed under name] [is label name] |
| Family | Erysiphaceae |
| Determination | Erysiphe sp. |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
