| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Uredinopsis |
| Harvard University Herbaria Barcode(s) | 01004579 |
| Collector | G. D. Darker |
| Collector number | 4829 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Hamilton |
| Locality | Matthew's Estate |
| Date Collected | 1933-07-30 |
| Host | On Osmunda claytoniana L. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/00a2a9e3-e701-4dd6-9387-2bf0f523d015 |
| Harvard University Herbaria Barcode | 01004579 |
| Herbarium | FH |
| Family | Melampsoraceae |
| Determination | Uredinopsis osmundae Magnus |
| Determined by | Darker, Grant Dooks |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
