| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe | 
| Barcode(s) | 00964711 | 
| Other Number | iNaturalist: 31234999 [<a href="https://www.inaturalist.org/observations/31234999">https://www.inaturalist.org/observations/31234999</a>] | 
| Collector | J. K. Mitchell | 
| Collector number | s.n. | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Cambridge | 
| Locality | behind Harvard University Herbaria building | 
| Georeference | 42 22 45.3 N, 71 06 52.2 W  | 
| Date Collected | 2019-08-26 | 
| Verbatim Elevation | 15 m | 
| Habitat | Plant [Syringa vulgaris] is in a flowerbed, and fungus appears annually | 
| Container | Fungi of Harvard University | 
| Substrate | On Syringa vulgaris | 
| Remarks | Collection is quite good, as many ascocarps are present; [iNaturalist observation] observed a few days before collecting the same leaf | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1540471f-2141-4b7d-9a4d-9127c7730f0d | 
| Harvard University Herbaria Barcode | 00964711 | 
| Herbarium | FH | 
| Family | Erysiphaceae | 
| Determination |  Erysiphe syringae Schweinitz | 
| Determined by | Mitchell, James Kameron | 
| Date Determined | 2019-08-26 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |