| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01085185 |
| Collector | G. B. Rossbach & R. P. Rossbach |
| Collector number | 170 |
| Country | United States of America |
| State | Idaho |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Idaho |
| Locality | [no additional data] |
| Date Collected | 1936-07-** |
| Host | On Polygonum ? aviculare |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/afc6ad5d-d66f-4c91-ac6b-28e1a2e008e4 |
| Harvard University Herbaria Barcode | 01085185 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe polygoni de Candolle |
| Determined by | Sherwood, Martha Allen |
| Date Determined | 1978 |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
