| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Erysiphe |
| Classification 1 | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 01122191 |
| Collector | C. T. Rogerson & F. C. Gates |
| Country | United States of America |
| State | Kansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Kansas: Pottawatomie County |
| Locality | 1 mile E. St. George |
| Date Collected | 1953-09-25 |
| Container | Fungi of Kansas |
| Host | on Quercus marilandica |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2ca5f1ea-179d-4cc3-b192-771800f4bd1a |
| Harvard University Herbaria Barcode | 01122191 |
| Herbarium | FH |
| Previous ownership | [ex] Herbarium of The New York Botanical Garden |
| Family | Erysiphaceae |
| Determination | Erysiphe schweinitziana M. Bradshaw, U. Braun & Quijada |
| Date Determined | 2025 |
| Determination Remarks | [filed under] [current name] |
| Family | Erysiphaceae |
| Determination | Compare Microsphaera extensa var. curta U. Braun |
| Determined by | Braun, Uwe |
| Date Determined | 1987-03-16 |
| Annotation Text | Immature, unusal hypophyllous form! |
| Family | Erysiphaceae |
| Determination | Erysiphe extensa var. curta (U. Braun) U. Braun & S. Takamatsu |
| Family | Erysiphaceae |
| Determination | Microsphaera penicillata (Wallroth) Léveillé |
| Determined by | Rogerson, Clark Thomas |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
