| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Melampsora |
| Harvard University Herbaria Barcode(s) | 00990471 |
| Collector | J. R. Weir |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington |
| Locality | Bellingham |
| Date Collected | 1916-08-25 |
| Host | Populus balsamifera |
| Project | Microfungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d38fba24-5a02-4a48-90d5-18715aaecd6f |
| Harvard University Herbaria Barcode | 00990471 |
| Herbarium | FH |
| Previous ownership | ex United States Department of Agriculture, Bureau of Plant Industry-Pathological Collections, Mycological Exchange of 1921 |
| Family | Melampsoraceae |
| Determination | Melampsora occidentalis H. S. Jackson |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | II-III |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
