| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Pucciniastrum | 
| Harvard University Herbaria Barcode(s) | 00956807 | 
| Collector | J. P. Tracy | 
| Collector number | 11657 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County | 
| Locality | Happy Camp Mountain, Trinity Summit Range | 
| Date Collected | 1949-06-05 | 
| Verbatim Elevation | 4200 feet | 
| Habitat | In open place in fir woods | 
| Host | On Arctostaphylos manzanita Parry | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f6e79e72-4501-41db-a0ca-bd524ecc0d72 | 
| Harvard University Herbaria Barcode | 00956807 | 
| Herbarium | FH | 
| Previous ownership | [ex] California Fungi, 963. Distributed by the Herbarium of the University of California | 
| Family | Melampsoraceae | 
| Determination | Pucciniastrum sparsum (G. Winter) E. Fischer | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |