| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02360688 |
| Collector | H. N. Patterson |
| Collector number | 128 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado |
| Locality | Castle Rock. near Golden. |
| Date Collected | 1885-09-09 |
| Verbatim Elevation | about 6,000 ft. |
| Container | Colorado Flora. Foothills near Golden. |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/388a4fcb-95e0-4574-8c8e-25c63c129d9d |
| Harvard University Herbaria Barcode | 02360688 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum engelmannii Greene |
| Determined by | J.K.S. |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
