| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Microsphaera |
| Harvard University Herbaria Barcode(s) | 00965532 |
| Type Status | Holotype |
| Collector | E. Bartholomew |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington |
| Locality | Bremerton |
| Date Collected | 1912-08-15 |
| Host | on Psoralea physodes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/78e67701-fdc8-4842-a27d-dada0a264885 |
| Harvard University Herbaria Barcode | 00965532 |
| Herbarium | FH |
| Previous ownership | United States Department of Agriculture, Bureau of Plant Industry-Pathological Collections, Mycological exchange of 1921 no. 1099; [ex] F. Col. 4829 Dupl. |
| Family | Erysiphaceae |
| Type Status | Holotype |
| Holotype of | Microsphaera diffusa f. elongata U. Braun |
| Verified by | Braun, Uwe |
| Date Determined | 1984-01-25 |
| Determination Remarks | [filed under] [current name] |
| Taxon Reference | (for Microsphaera diffusa f. elongata U. Braun) Mycotaxon 1984. 20(2): 492. |
| Family | Erysiphaceae |
| Determination | Microsphaera diffusa Cooke & Peck |
| Determination Remarks | [label name] |
| Preparation Type | Packet |
| Preparation Method | Dried |
| Item Remarks | [U. Braun's annotations on specimens 00965531 and 00965532 had unintentially been reversed. Correct holotype and paratype designations were confimed via email from U. Braun to M. Bradshaw on 9 Dec 2021 and specimens were updated on 2 Mar 2022.] |
