| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe | 
| Barcode(s) | 00972601 | 
| Type Status | Possible TypeMaterial | 
| Collector |  | 
| Country | United States of America | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America | 
| Locality | [no data available] | 
| Substrate | fol. | 
| Host | Querc. [Quercus sp.] | 
| Remarks | 11; [drawing of chasmothecium, ascus and spores] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/23989731-db3c-4d7e-91a7-619f84d2cf1c | 
| Harvard University Herbaria Barcode | 00972601 | 
| Herbarium | FH | 
| Previous ownership | [ex] Herb. Schw. | 
| Family | Erysiphaceae | 
| Type Status | Possible TypeMaterial | 
| Possible TypeMaterial of |  Erysiphe densissima Schweinitz | 
| Taxon Reference | (for  Erysiphe densissima Schweinitz) Trans. Amer. Philos. Soc. 1832 ["1834"]. n.s. 4(2): 269. | 
| Family | Erysiphaceae | 
| Determination |  Erysiphe densissima Schweinitz | 
| Determined by | Braun, Uwe | 
| Date Determined | 1984-12-04 | 
| Determination Remarks |  [current name] | 
| Annotation Text | doubtful species, no ascocarps! Isotypus! | 
| Family | Erysiphaceae | 
| Determination |  Erysiphe densissima Schweinitz | 
| Determination Remarks |  [filed under] [label name] | 
| Subcollection | Curtis Herbarium | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |