| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01131085 |
| Collector | D. E. Boufford |
| Collector number | 45669 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: North Cambridge |
| Locality | Jackson Street; Residential neighborhood. Garden between 100 and 104 Jackson Street |
| Georeference | 42 23 47 N, 71 8 8 W |
| Date Collected | 2021-10-16 |
| Verbatim Elevation | 14 m |
| Habitat | Garden |
| Host | on cultivated Paeonia (likely P. [Paeonia] lactiflora Pallas) |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3a7fc1fe-53e2-4c30-9388-bb9471c9233b |
| Harvard University Herbaria Barcode | 01131085 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe paeoniae R. Y. Zheng & G. Q. Chen |
| Determined by | Bradshaw, Michael James |
| Date Determined | 2021-11-03 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |