| Harvard University Herbaria Barcode(s) | 01131010 |
| Collector | M. J. Bradshaw |
| Collector number | MJB H42 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | Collected from the Arnold Arboretum across from host accession 337-70-A |
| Date Collected | 2021-09-13 |
| Host | On Quercus alba |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8d6144a4-77c3-444e-9ba6-d47ebcfa7c41 |
| Harvard University Herbaria Barcode | 01131010 |
| Herbarium | FH |
| Determination | Erysiphe sp. |
| Determined by | Bradshaw, Michael James |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
