| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01131088 |
| Collector | C. Contreras-Paredes |
| Collector number | MJB H191 |
| Country | Mexico |
| State | Puebla |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Puebla |
| Locality | Jardin Botanico Universitario VIEP-BUAP, 72570 |
| Host | On Quercus agrifolia, Host Accession: U20070414 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7020c445-6e76-43bc-a13f-27849470e0f0 |
| Harvard University Herbaria Barcode | 01131088 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe quercicola S. Takamatsu & U. Braun |
| Determined by | Bradshaw, Michael James |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |