| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Barcode(s) | 00736122 |
| Collector | M. L. Fernald |
| Collector number | 18406 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Barnstable County: Falmouth |
| Locality | Falmouth |
| Date Collected | 1919-10-05 [October 5 1919] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dc983a43-56a6-4a37-8cc8-9a84f82098ba |
| Harvard University Herbaria Barcode | 00736122 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determined by | Park, Chong-wook |
| Date Determined | 1990-06-** |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Persicaria hydropiperoides (Michaux) Small |
| Determination Remarks | [filed under] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
