| Classification | Fungi: Moniliaceae: Oidium | 
| Classification 1 | Fungi: Moniliaceae: Ovularia | 
| Harvard University Herbaria Barcode(s) | 00972034 | 
| Type Status | Type | 
| Collector | C. H. Peck | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York | 
| Locality | Monroe | 
| Date Collected | 1879-07-** | 
| Container | Mycotheca universalis | 
| Substrate | in foliis vivis | 
| Host | Staphyleae trifoliae Lin. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9cedce7f-0996-4f24-adf2-784258e14ce5 | 
| Harvard University Herbaria Barcode | 00972034 | 
| Herbarium | FH | 
| Previous ownership | [ex] de Thümen, Mycotheca universalis 1874; [ex] E. Bartholemew Herb. | 
| Family | Moniliaceae | 
| Type Status | Type | 
| Type of | Oidium irregulare Peck | 
| Verified by | Peck, Charles Horton | 
| Determination Remarks | [filed under] [label name] | 
| Annotation Text | O. maculis magnis, irregularibus, brunneolis, margine purpureascente circumdatis; hyphis hypophyllis, caespitosis, tenuibus, ad apices subnodulosis; sporis ellipticis ... [see label for additional data] | 
| Taxon Reference | (for  Oidium irregulare Peck) Mycoth. Univ. 1881. Cent. XIX: no. 1874. | 
| Family | Moniliaceae | 
| Determination | Ovularia isarioides Saccardo | 
| Determination Remarks | [current name] | 
| Subcollection | General Fungus Herbarium Type Collection | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |