| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Puccinia |
| Harvard University Herbaria Barcode(s) | 00956452 |
| Collector | G. D. Darker |
| Collector number | 6434 |
| Country | Canada |
| State | Ontario |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Toronto |
| Locality | Humber River, near Toronto |
| Date Collected | 1937-09-05 |
| Host | On Xanthium echinatum Murr. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2871955c-5d7e-425d-98ec-dce921c666e8 |
| Harvard University Herbaria Barcode | 00956452 |
| Herbarium | FH |
| Family | Pucciniaceae |
| Determination | Puccinia xanthii Schweinitz |
| Determined by | Darker, Grant Dooks |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
