| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Hyalopsora |
| Harvard University Herbaria Barcode(s) | 00990093 |
| Collector | J. P. Tracy |
| Collector number | 18825 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | Mail Ridge, midway between Harris and Fruitland |
| Date Collected | 1950-06-15 |
| Habitat | sandy moist bank |
| Container | Fungi of California |
| Host | Cystopteris fragilis |
| Project | Microfungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a7c9e0ff-1b16-4b4d-a882-8464bee17704 |
| Harvard University Herbaria Barcode | 00990093 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of the University of California |
| Family | Melampsoraceae |
| Determination | Hyalopsora polypodii (Persoon) Magnus |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
