| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera | 
| Harvard University Herbaria Barcode(s) | 00972163 | 
| Collector | P. W. Magnus | 
| Country | Germany | 
| State | Brandenburg | 
| Geography | Europe: Europe (Region) (Region): Germany: Brandenburg | 
| Locality | beim Teltower-See | 
| Date Collected | 1893-08-** | 
| Substrate | Auf lebenden Blättern von ... | 
| Host | Rhamnus cath. [Rhamnus cathartica] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/02b75266-0af9-4d9a-b8cf-f9d0e65c983e | 
| Harvard University Herbaria Barcode | 00972163 | 
| Herbarium | FH | 
| Previous ownership | [ex] Rehm: Ascomyceten 1117 | 
| Family | Erysiphaceae | 
| Determination | Microsphaera friesii (Léveillé) Saccardo | 
| Determined by | Braun, Uwe | 
| Date Determined | 1982-07-23 | 
| Determination Remarks | [current name] | 
| Family | Erysiphaceae | 
| Determination | Microsphaera alni (de Candolle) G. Winter | 
| Determination Remarks | [filed under] | 
| Family | Erysiphaceae | 
| Determination | Microsphaera friesii (Léveillé) Saccardo | 
| Determined by | Rehm, Heinrich (Simon Ludwig Frederich Felix) | 
| Determination Remarks | [label name] | 
| Subcollection | Patouillard Herbarium | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |