| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Podosphaera |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Harvard University Herbaria Barcode(s) | 01085218 |
| Collector | J. P. Tracy |
| Collector number | 17905 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | Box Camp, Trinity Summit |
| Date Collected | 1947-08-24 |
| Host | On Senecio triangularis Hook. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/56a8981b-a081-4583-a854-3588e67d3506 |
| Harvard University Herbaria Barcode | 01085218 |
| Herbarium | FH |
| Previous ownership | Distributed by the Herbarium of the University of California |
| Exsiccata | California Fungi Fascicle Cent. 9 Number 831 |
| Family | Erysiphaceae |
| Determination | Podosphaera senecionis U. Braun |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Sphaerotheca humuli var. fuliginea (Schlechtendal) E. S. Salmon: Fries |
| Determination Remarks | [filed under] [label name] |
| Subcollection | California Fungi |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
