| Classification | Polygonaceae: Reynoutria |
| Classification 1 | Polygonaceae: Polygonum |
| Barcode(s) | 00672495 |
| Collector | E. L. Mackintosh |
| Collector number | 2032 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Danvers |
| Locality | Danvers |
| Date Collected | 1923-09-16 [9-16-23] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a624e253-2e3b-4a26-ace6-b6c988218a2c |
| Harvard University Herbaria Barcode | 00672495 |
| Herbarium | A |
| Family | Polygonaceae |
| Determination | Reynoutria japonica Houttuyn |
| Determination Remarks | [filed under] [current name] |
| Family | Polygonaceae |
| Determination | Polygonum cuspidatum Siebold & Zuccarini |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
