| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 00965540 |
| Collector | E. P. Sheldon |
| Collector number | 9004 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Union County |
| Locality | Mill Creek, near Cone, Union County |
| Date Collected | 1897-09-25 |
| Elevation | 1219 m |
| Verbatim Elevation | 4000 ft. |
| Container | Plants of Oregon |
| Host | on No. 8988 Ceanthus velutinus Dougl. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9b26d29d-a114-47e6-8683-e3a94e251f73 |
| Harvard University Herbaria Barcode | 00965540 |
| Herbarium | FH |
| Previous ownership | Smithsonian Institution from the United States National Herbarium |
| Family | Erysiphaceae |
| Determination | Microsphaera sydowiana U. Braun |
| Date Determined | 1982-02-04 |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | Paratype |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determination Remarks | [label name] |
| Preparation Type | Packet |
| Preparation Method | Dried |
