| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Podosphaera |
| Harvard University Herbaria Barcode(s) | 01122144 |
| Collector | E. Bartholomew |
| Collector number | 10612 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Boulder County: Boulder |
| Locality | [no additional data] |
| Date Collected | 1929-08-23 |
| Container | North American Fungi |
| Host | Crataegus cerronis |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/18cca867-6f98-4d37-ac29-7233c97221a6 |
| Harvard University Herbaria Barcode | 01122144 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Podosphaera clandestina (Fries: Fries) Léveillé |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | Podosphaera oxyacanthae (de Candolle) de Bary |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
