| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Phyllactinia |
| Harvard University Herbaria Barcode(s) | 00972621 |
| Collector | E. Michener |
| Collector number | 572 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | [no additional data] |
| Date Collected | 1852 |
| Substrate | fol. |
| Host | Alni serrul. [Alnus serrulata] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1a06f393-6b71-40a7-9c0a-cdafbb1ff6cc |
| Harvard University Herbaria Barcode | 00972621 |
| Herbarium | FH |
| Family | Erysiphaceae |
| Determination | Erysiphe guttata (Wallroth) Link: Fries |
| Determination Remarks | [is filed under name] [is label name] |
| Family | Erysiphaceae |
| Determination | Phyllactinia guttata (Wallroth) Léveillé |
| Determined by | Braun, Uwe |
| Date Determined | 1985-09-03 |
| Determination Remarks | [0] [is Current name] |
| Subcollection | Curtis Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
