| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00552249 | 
| Collector | H. A. Young | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Lynn | 
| Locality | Lynn | 
| Date Collected | 1879-09-14 [Sept. 14, 1879] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e62d1047-2649-44a1-bc61-2a5a82200628 | 
| Harvard University Herbaria Barcode | 00552249 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum pensylvanicum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |