| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Harvard University Herbaria Barcode(s) | 00953744 |
| Collector | W. C. Blasdale |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Sonoma County: Santa Rosa |
| Locality | [no additional data] |
| Date Collected | 1894-05-24 |
| Container | Fungi of California |
| Host | on Microseris tenella |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/33cb43f5-e086-43a9-8897-6c300300280b |
| Harvard University Herbaria Barcode | 00953744 |
| Herbarium | FH |
| Previous ownership | [ex] E. Bartholemew Herb. |
| Family | Erysiphaceae |
| Determination | Sphaerotheca humuli var. fuliginea (Schlechtendal) E. S. Salmon: Fries |
| Family | Erysiphaceae |
| Determination | Sphaerotheca castagnei Léveillé |
| Determination Remarks | [is label name] |
| Family | Erysiphaceae |
| Determination | Sphaerotheca fusca (Fries) S. Blumer: Fries |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Packet |
| Preparation Method | Dried |
