| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Barcode(s) | 01131091 |
| Collector | M. J. Bradshaw |
| Collector number | MJB H37 |
| 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 |
| Date Collected | 2021-09-01 |
| Host | On Cephalanthus occidentalis, Host Accession: 123-78-B |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1d8f5fb1-f244-4497-bfb2-221042a52af8 |
| Harvard University Herbaria Barcode | 01131091 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe semitosta (Berkeley & M. A. Curtis) U. Braun & S. Takamatsu |
| Determined by | Bradshaw, Michael James |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
