| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Harvard University Herbaria Barcode(s) | 00953729 |
| 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-** |
| Host | on Microseris tenella |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5335cdd1-4ee0-49ad-bb25-754dbd7e48e8 |
| Harvard University Herbaria Barcode | 00953729 |
| Herbarium | FH |
| Previous ownership | ex E. Bartholemew Herb. |
| Exsiccata | Fungi Columbiani Fascicle Cent. 5 Number 418 |
| Family | Erysiphaceae |
| Determination | Sphaerotheca castagnei Léveillé |
| Determined by | Ellis, Job Bicknell & Everhart, Benjamin Matlack |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | Ann. Sci. Nat. Ser. 3d Vol. XV, p. 139.; N. A. F. 557 |
| Family | Erysiphaceae |
| Determination | Sphaerotheca humuli var. fuliginea (Schlechtendal) E. S. Salmon: Fries |
| Annotation Text | [Possibly identified by E. Bartholomew] |
| Subcollection | Fungi Columbiani |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
