| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00729279 |
| Collector | R. A. Howard & B. J. Howard |
| Collector number | 15831 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Waltham |
| Locality | Waltham, Ret. 128 & Winter St. corner |
| Date Collected | 1965 [Sept.-Oct. 1965] |
| Habitat | Edge of islands |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ca9cf833-bc19-4aa1-aab5-88d0f8d94a32 |
| Harvard University Herbaria Barcode | 00729279 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum sagittatum Linnaeus |
| Determined by | Eaton, Richard Jefferson |
| Determination Remarks | [label name] [current name] |
| Family | Polygonaceae |
| Determination | Persicaria sagittata (Linnaeus) H. Gross |
| Determination Remarks | [filed under] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
