| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00972600 |
| Collector | H. P. Sartwell |
| Collector number | 290 |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Yates County: Penn Yan |
| Locality | [no additional data] |
| Substrate | fol. |
| Host | Querc. rubrae [Quercus rubra] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1d5a0eb7-dd72-4438-a40b-9a00a2428280 |
| Harvard University Herbaria Barcode | 00972600 |
| Herbarium | FH |
| Determination | |
| Determined by | Braun, Uwe |
| Date Determined | 1985-09-03 |
| Annotation Text | Too scarce to be determined! |
| Family | Erysiphaceae |
| Determination | Erysiphe densissima Schweinitz |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Subcollection | Curtis Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
