| Classification | Polygonaceae: Polygonum | 
| Barcode(s) | 00729265 | 
| Collector | W. Deane | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Cambridge | 
| Locality | Cambridge, Charles River marsh back of Stillman Infirmary | 
| Date Collected | 1912-08-31 [Aug. 31, 1912] | 
| Habitat | river border | 
| Project | New England Vascular Plants TCN | 
| Remarks | single plant | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a43e063-b6bb-4a45-98ee-284f665912c6 | 
| Harvard University Herbaria Barcode | 00729265 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination |  Polygonum sagittatum Linnaeus | 
| Determination Remarks |  [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |