| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Golovinomyces |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 00965644 |
| Collector | W. B. Cooke |
| Collector number | 13360 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County |
| Locality | Near the Sisson Southern Trail just below Horse Camp [Mount Shasta] |
| Date Collected | 1939-07-26 |
| Verbatim Elevation | 7800 |
| Container | Mycobiota of Mount Shasta |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0b8f538a-f00c-4742-a7d5-d3fb14fe6142 |
| Harvard University Herbaria Barcode | 00965644 |
| Herbarium | FH |
| Previous ownership | ex herbario Wm. Bridge Cooke |
| Family | Erysiphaceae |
| Determination | Golovinomyces californicus (U. Braun) V. P. Heluta |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Erysiphe californica U. Braun |
| Determined by | Braun, Uwe |
| Date Determined | 1983-10-11 |
| Determination Remarks | [filed under] |
| Annotation Text | Paratype |
| Family | Erysiphaceae |
| Determination | Erysiphe polygoni de Candolle |
| Determination Remarks | [label name] |
| Preparation Type | Packet |
| Preparation Method | Dried |
