| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02360479 |
| Collector | F. W. Pennell & R. L. Schaeffer, Jr. |
| Collector number | 22052 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Mesa County |
| Locality | Columbus Canyon, Colorado National Monument |
| Date Collected | 1938-06-24 |
| Verbatim Elevation | 6300-6500 ft. |
| Habitat | Sandy loam over sandstone |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e7809f69-472c-49c2-aec4-8858b02e4036 |
| Harvard University Herbaria Barcode | 02360479 |
| Herbarium | GH |
| Previous ownership | [Ex] The Academy of Natural Sciences of Philadelphia |
| Family | Polygonaceae |
| Determination | Polygonum douglasii Greene |
| Determined by | Costea, Mihai |
| Date Determined | 2002 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
