| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Harvard University Herbaria Barcode(s) | 01085008 |
| Collector | J. Dearness |
| Country | Canada |
| State | Ontario |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: County of Lambton: Sarnia |
| Locality | [no additional data] |
| Date Collected | 1912-09-01 |
| Host | On Artemisia gnaphalodes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bad38082-f306-4ad0-bc5b-c6aa4176cb95 |
| Harvard University Herbaria Barcode | 01085008 |
| Herbarium | FH |
| Previous ownership | Ex United States Department of Agriculture, Bureau of Plant Industry, Pathological and Mycological Collections 1080 |
| Family | Erysiphaceae |
| Determination | Erysiphe cichoracearum de Candolle |
| Determination Remarks | [0] [is label name] |
| Family | Erysiphaceae |
| Determination | Compare Erysiphe artemisiae Greville |
| Determined by | Braun, Uwe |
| Date Determined | 1984-01-24 |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | rev. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
