| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Classification 2 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Podosphaera |
| Harvard University Herbaria Barcode(s) | 00972680 |
| Collector | C. H. Peck |
| Collector number | 345 |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York |
| Locality | [no additional data] |
| Date Collected | 1869 [Aut. 1869] |
| Substrate | fol. |
| Host | B. excelsae [Betula excelsa] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cd4f36a0-29f9-4692-b01a-f6fcec68cea1 |
| Harvard University Herbaria Barcode | 00972680 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe penicillata var. betulae Desmazières |
| Determination Remarks | [is filed under name] |
| Family | Erysiphaceae |
| Determination | Microsphaera penicillata (Wallroth) Léveillé |
| Determination Remarks | [0] [is label name] |
| Family | Erysiphaceae |
| Determination | SensuLato Podosphaera clandestina (Wallroth) Léveillé |
| Determined by | Braun, Uwe |
| Date Determined | 1982-07-23 |
| Determination Remarks | [0] [is Current name] |
| Annotation Text | host? |
| Subcollection | Curtis Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
