| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Cronartium | 
| Harvard University Herbaria Barcode(s) | 00806843 | 
| Collector | M. S. Clemens | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Monterey County: Pacific Grove | 
| Locality | [no additional data] | 
| Date Collected | 1918-11-22 | 
| Host | Quercus agrifolia | 
| Project | Microfungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/23b0a1fb-0002-40b8-bcfa-d82c9f3a94fb | 
| Harvard University Herbaria Barcode | 00806843 | 
| Herbarium | FH | 
| Previous ownership | ex E. Bartholemew Herb. | 
| Family | Melampsoraceae | 
| Determination | Cronartium quercuum (Berkeley) Miyabe ex Shirai | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |