| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00552050 | 
| Collector | M. L. Fernald | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Wayland | 
| Locality | Wayland, Heard's Pond | 
| Date Collected | 1909-09-10 [Sept. 10, 1909] | 
| Habitat | Sandy border | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d6db8218-e685-4c1c-8c28-90e37cd2d23d | 
| Harvard University Herbaria Barcode | 00552050 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum hydropiperoides Michaux | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |