| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02360447 |
| Collector | W. B. Cooke |
| Collector number | 16266 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County |
| Locality | [data not captured] |
| Date Collected | 1941-09-05 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b6148216-90cc-4fc4-968a-9c05111cd92f |
| Harvard University Herbaria Barcode | 02360447 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum douglasii Greene |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
