| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Phyllactinia | 
| Complex Object | This is a complex collection object (2 items with 1 preparation) | 
| Barcode(s) | <a href='specimen_search.php?barcode=01122189'>01122189</a>; <a href='specimen_search.php?barcode=01122189'>01122189</a> | 
<tr><td class='cap'>Other Barcodes on Sheet</td><td class='val'><a href='specimen_search.php?mode=details&barcode='></a>; <a href='specimen_search.php?mode=details&barcode='></a>; <a href='specimen_search.php?mode=details&barcode='></a>; <a href='specimen_search.php?mode=details&barcode='></a></td></tr>| Collector | H. C. Greene | 
| Collector number | HCG 823 | 
| Country | United States of America | 
| State | Wisconsin | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin: Dane County: Madison | 
| Locality | [no additional data] | 
| Date Collected | 1944-09-24 | 
| Host | On Quercus macrocarpa | 
| Organism/Item | 1 of 2 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/82b0ab4e-e86a-49e7-a920-0b648a69f70e | 
| Harvard University Herbaria Barcode | 01122189 | 
| Herbarium | FH | 
| Previous ownership | From the Herbarium of the University of Wisconsin | 
| Family | Erysiphaceae | 
| Determination |  Erysiphe extensa (Cooke & Peck) U. Braun & S. Takamatsu | 
| Determination Remarks |  [current name] | 
| Family | Erysiphaceae | 
| Determination |  Microsphaera extensa Cooke & Peck | 
| Determined by | Braun, Uwe | 
| Date Determined | 1982 | 
| Determination Remarks |  [filed under] | 
| Family | Erysiphaceae | 
| Determination |  Microsphaera alni (de Candolle) G. Winter | 
| Determined by | Greene, Henry Campbell | 
| Determination Remarks |  [label name] | 
| Preparation Type | Packet | 
| Preparation Method | Dried | 
| Organism/Item | 2 of 2 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e9c1866e-e697-4860-947b-6928b85fb5d0 | 
| Harvard University Herbaria Barcode | 01122189 | 
| Herbarium | FH | 
| Previous ownership | From the Herbarium of the University of Wisconsin | 
| Family | Erysiphaceae | 
| Determination |  Phyllactinia roboris (Gachet) S. Blumer | 
| Determined by | Braun, Uwe | 
| Date Determined | 1982 | 
| Determination Remarks |  [current name] | 
| Annotation Text | conidia clavate, not angular! | 
| Preparation Type | Packet | 
| Preparation Method | Dried |