| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00552350 | 
| Collector | F. C. Seymour | 
| Collector number | 1182 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Tisbury | 
| Locality | Tisbury | 
| Date Collected | 1917-09-05 [5 Sept. 1917] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c6efa4c1-44c9-42a5-8063-fc0704d3983d | 
| Harvard University Herbaria Barcode | 00552350 | 
| Herbarium | GH | 
| Family | Polygonaceae | 
| Determination | Polygonum pensylvanicum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |