| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00552368 |
| Collector | Harold I. Brown & Frank C. Seymour |
| Collector number | 5374 |
| 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 | 1939-08-09 [9 Aug. 1939] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4a81c074-f69f-4669-bef9-465d96380254 |
| Harvard University Herbaria Barcode | 00552368 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum pensylvanicum Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
