| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00751408 | 
| Collector | C. H. Knowlton | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Machias | 
| Locality | Machias | 
| Date Collected | 1916-07-31 [July 31, 1916] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/28ed6048-5e40-46b6-806f-b6519c8f887d | 
| Harvard University Herbaria Barcode | 00751408 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum convolvulus Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |