| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00731822 |
| Collector | M. L. Fernald, F. W. Hunnewell & B. H. Long |
| Collector number | 9408 |
| Country | United States of America |
| State | Rhode Island |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island |
| Locality | Block Island |
| Date Collected | 1913-08-22 [August 22, 1913] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/464ee665-ac41-469d-8839-3a1dc43c9c44 |
| Harvard University Herbaria Barcode | 00731822 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
