| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01131072 |
| Collector | D. E. Boufford & S. L. Kelley |
| Collector number | 46015 |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Cheshire County: Walpole |
| Locality | Along the Connecticut River just upstream from the N.H. route 123 bridge to Westminster, Vermont; near confluence with Mad Brook |
| Georeference | 43 5 8 N, 72 25 55 W |
| Date Collected | 2022-09-30 |
| Verbatim Elevation | 85 m |
| Habitat | Alluvial forest of Acer saccharinum, A. negundo, Populus deltoides, Ulmus rubra; Fraxinus pensylvanica, Platanus occidentalis and occasional Celtis occidentalis; Celastrus orbiculatus especially abundant |
| Host | On Ulmus rubra Muhlenberg |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/80ba7b69-1038-42fc-ab82-63bf3acb6e07 |
| Harvard University Herbaria Barcode | 01131072 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe macrospora (Peck) U. Braun & S. Takamatsu |
| Determined by | Bradshaw, Michael James |
| Date Determined | 2022-10-25 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
