| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00729110 |
| Collector | E. F. Williams |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Concord |
| Date Collected | 1902-09-21 [Sept. 21, 1902] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/38fd0062-14f1-4afa-aadf-4eac3e65deda |
| Harvard University Herbaria Barcode | 00729110 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum robustius (Small) Fernald |
| Determined by | [M. L. Fernald (scripsit) annotation on sheet, W. T. Kittredge, 2020] |
| Determination Remarks | [0] |
| Family | Polygonaceae |
| Determination | Polygonum punctatum var. majus (Meisner) Fassett |
| Determined by | Fassett, Norman Carter |
| Date Determined | 1947 |
| Family | Polygonaceae |
| Determination | Persicaria robustior (Small) E. P. Bicknell |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
