| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Podosphaera |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Sphaerotheca |
| Classification 2 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01085186 |
| Collector | G. B. Rossbach & R. P. Rossbach |
| Collector number | 253b |
| Country | United States of America |
| State | Montana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana |
| Locality | [no additional data] |
| Date Collected | 1936-08-** |
| Host | On Geranium |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3398a603-5fe8-4941-a787-538ab678785f |
| Harvard University Herbaria Barcode | 01085186 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Podosphaera fugax (Penzig & Saccardo) U. Braun & S. Takamatsu |
| Determination Remarks | [current name] |
| Family | Erysiphaceae |
| Determination | Sphaerotheca fugax Penzig & Saccardo |
| Determined by | Braun, Uwe |
| Date Determined | 1983-05-05 |
| Determination Remarks | [filed under] |
| Family | Erysiphaceae |
| Determination | Erysiphe polygoni de Candolle |
| Determined by | Sherwood, Martha Allen |
| Date Determined | 1978 |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
