| Classification | Polygonaceae: Reynoutria |
| Classification 1 | Polygonaceae: Polygonum |
| Barcode(s) | 00580644 |
| Collector | R. A. Howard |
| Collector number | 20283 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Weston |
| Locality | Weston, along route #20 by pass near School St. crossing |
| Date Collected | 1985 [July 1985] |
| Project | New England Vascular Plants TCN |
| Remarks | Dense stand. Next to P. cuspidatum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec70bc5d-e0fe-4663-b43d-006822b23acc |
| Harvard University Herbaria Barcode | 00580644 |
| Herbarium | A |
| Family | Polygonaceae |
| Determination | Reynoutria sachalinensis (F. Schmidt) Nakai |
| Determination Remarks | [filed under] [current name] |
| Family | Polygonaceae |
| Determination | Polygonum sachalinense F. Schmidt |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
