| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972128 |
| Collector | R. M. Horner |
| Collector number | 1252 |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington |
| Locality | Pullman |
| Date Collected | 1899-07-22 |
| Container | Fungi of Washington |
| Host | Troximon nuttallii Gray |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/397f0388-34b6-4e5b-891d-872d03f0877a |
| Harvard University Herbaria Barcode | 00972128 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe cichoracearum de Candolle |
| Determination Remarks | [filed under] [label name] [current name] |
| Subcollection | Ellis Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |