| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972987 |
| Collector | G. H. Hicks |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan |
| Locality | near Michigan Agricultural College |
| Date Collected | 1893-08-** |
| Container | Plants of Michigan, U. S. A. |
| Substrate | on female catkins of ... |
| Host | Alnus serrulata |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8bfb47a8-c414-475f-96ec-eb6127d9cc0f |
| Harvard University Herbaria Barcode | 00972987 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe aggregata (Peck) Farlow |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
