| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Barcode(s) | 01085097 |
| Collector | L. W. Nuttall |
| Country | United States of America |
| State | West Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: West Virginia |
| Locality | Nuttallburg |
| Date Collected | 1893-10-** |
| Substrate | On leaves of ... |
| Host | Castanea sativa, var. Americana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d95b20b9-12eb-4270-be87-391f4ad8b768 |
| Harvard University Herbaria Barcode | 01085097 |
| Herbarium | FH |
| Exsiccata | North American Fungi [second series] Fascicle Cent. 31 Number 3008a |
| Family | Erysiphaceae |
| Determination | Erysiphe castaneae U. Braun |
| Determined by | Mitchell, James Kameron |
| Date Determined | 2024-12-05 |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Microsphaera alni (de Candolle) G. Winter |
| Determination Remarks | [filed under] [label name] |
| Annotation Text | Fl. Fr. VI, p. 104. |
| Subcollection | North American Fungi [second series] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
