| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Melampsora | 
| Harvard University Herbaria Barcode(s) | 00852408 | 
| 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: Monterey | 
| Locality | [no additional data] | 
| Date Collected | 1921-04-05 | 
| Host | Populus alba | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/991b8a55-4c94-45b0-b376-2ae88723d050 | 
| Harvard University Herbaria Barcode | 00852408 | 
| Herbarium | FH | 
| Previous ownership | ex E. Bartholemew Herb. | 
| Family | Melampsoraceae | 
| Determination | Melampsora tremulae Tulasne | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |