| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 01122205 |
| Collector | H. C. Greene |
| Collector number | HCG 1930 |
| Country | United States of America |
| State | Wisconsin |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin: Iowa County |
| Locality | Tower Hill State Park |
| Date Collected | 1955-10-13 |
| Host | On Alnus rugosa |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5ccda596-3e5d-488e-aedd-0872c144df84 |
| Harvard University Herbaria Barcode | 01122205 |
| Herbarium | FH |
| Previous ownership | From the Herbarium of the University of Wisconsin |
| Family | Erysiphaceae |
| Determination | Erysiphe penicillata (Wallroth) Link |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Microsphaera penicillata (Wallroth) Léveillé |
| Determination Remarks | [filed under] |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determined by | Greene, Henry Campbell |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
