| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00762223 |
| Collector | C. W. Swan |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | W. [West] Roxbury |
| Date Collected | 1879-09-19 [9-19-79] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bc824a3c-343c-46e1-b8eb-56244694d856 |
| Harvard University Herbaria Barcode | 00762223 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum amphibium Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |