| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Phyllactinia | 
| Harvard University Herbaria Barcode(s) | 01085071 | 
| Collector | C. O. Smith | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Alameda County: Berkeley | 
| Locality | [no additional data] | 
| Date Collected | 1906-06-26 - 1906-11-09 [June 26 and Nov. 9, 1906] | 
| Host | On Ribes divaricatum | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/383d719a-8018-4f67-80c1-cf7539c73252 | 
| Harvard University Herbaria Barcode | 01085071 | 
| Herbarium | FH | 
| Exsiccata | Fungi Columbiani  Fascicle Cent. 24 Number 2343 | 
| Family | Erysiphaceae | 
| Determination | Phyllactinia ribis (Jaczewski) Z. Y. Zhao | 
| Determined by | Mitchell, James Kameron | 
| Date Determined | 2025-03-28 | 
| Determination Remarks | [current name] | 
| Family | Erysiphaceae | 
| Determination | Phyllactinia corylea (Persoon) P. Karsten | 
| Determination Remarks | [filed under] [label name] | 
| Annotation Text | 1885: Act. Soc. Faun. et Flor. Fenn. 2:92. | 
| Subcollection | Fungi Columbiani | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |