| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Golovinomyces |
| Harvard University Herbaria Barcode(s) | 00941257 |
| Collector | M. J. Bradshaw |
| Collector number | MJB H28 |
| 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 next to Accession number 22898 |
| Date Collected | 2021-09-01 |
| Host | On Eutrichium sp. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d390625e-2efa-48dc-b57b-8482a74eef00 |
| Harvard University Herbaria Barcode | 00941257 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Golovinomyces ambrosiae (Schweinitz) U. Braun & R. T. A. Cook |
| Determined by | Bradshaw, Michael James |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |