| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Pucciniastrum | 
| Harvard University Herbaria Barcode(s) | 00956944 | 
| Collector | J. P. Tracy | 
| Collector number | 19016 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County | 
| Locality | Buck Mountain; meadow on west slope, three miles south of Burr Valley | 
| Date Collected | 1950-07-06 | 
| Habitat | meadow on west slope | 
| Container | Fungi of California | 
| Host | On Epilobium brevistylum Barb. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6c766b27-e1e7-4c5f-9b60-b40c27364d8b | 
| Harvard University Herbaria Barcode | 00956944 | 
| Herbarium | FH | 
| Previous ownership | [ex] Herbarium of the University of California | 
| Family | Melampsoraceae | 
| Determination | Pucciniastrum pustulatum Dietel | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |