| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Cystotheca |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Harvard University Herbaria Barcode(s) | 01122139 |
| Collector | H. E. Parks |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Marin County |
| Locality | San Rafael Hills |
| Date Collected | 1923-02-** |
| Container | Fungi of Marin Co. California |
| Host | On Quercus agrifolia Nees. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ac21a486-51a5-4ddb-8632-b017ffd13554 |
| Harvard University Herbaria Barcode | 01122139 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of the University of California |
| Family | Erysiphaceae |
| Determination | Cystotheca lanestris (Harkness) Miyabe |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | Sphaerotheca lanestris Harkness |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
