| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Harvard University Herbaria Barcode(s) | 00953750 |
| Collector | J. P. Tracy |
| Collector number | 13441 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | Grouse Mountain |
| Date Collected | 1934-07-18 |
| Verbatim Elevation | Altitude 5000 ft. |
| Container | Parasitic Fungi - Humboldt County, California |
| Host | Scorzonella nutans Geyer. [Microceris nutans] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b2538258-fa1a-475b-9589-e09fcd0813b5 |
| Harvard University Herbaria Barcode | 00953750 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of the University of California |
| Family | Erysiphaceae |
| Determination | Sphaerotheca fusca (Fries) S. Blumer: Fries |
| Determined by | Braun, Uwe |
| Date Determined | 1987-04-02 |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | em. |
| Family | Erysiphaceae |
| Determination | Sphaerotheca humuli (de Candolle) Burrill |
| Determination Remarks | [label name] |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
