| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Melampsorella |
| Harvard University Herbaria Barcode(s) | 00990712 |
| Collector | J. P. Tracy |
| Collector number | 18821 |
| 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, halfway between Harris and Fruitland |
| Date Collected | 1950-06-15 |
| Habitat | shady bank |
| Host | Cerastium arvense var. maximum |
| Project | Microfungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/70cfcbe1-c7c2-467e-91df-b5af5a482ea9 |
| Harvard University Herbaria Barcode | 00990712 |
| Herbarium | FH |
| Previous ownership | ex Herbarium University of California |
| Family | Melampsoraceae |
| Determination | Melampsorella cerastii (Persoon) J. Schröter |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |