| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Barcode(s) | 00281514 |
| Collector | J. K. Mitchell & R. A. Swenie |
| Collector number | JK0387 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Carlisle |
| Locality | Estabrook Woods, along the Kibby Trail |
| Georeference | 42° 30' 10.6" N, 71° 21' 09.3" W |
| Date Collected | 2024-09-22 |
| Verbatim Elevation | 81 m. |
| Habitat | Growing on leaves of eastern white oak |
| Container | Fungi of Estabrook Woods |
| Host | Quercus alba |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/35bda1ef-5989-436c-8f28-6f0bace0a85a |
| Harvard University Herbaria Barcode | 00281514 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe pseudoextensa M. Bradshaw, U. Braun & Quijada |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | Erysiphe extensa (Cooke & Peck) U. Braun & S. Takamatsu |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
