| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00342019 |
| Collector | N. T. Kidder |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Beaver Brook [Reservation]. Lower part [Belmont/Waltham] |
| Date Collected | 1919-09-18 |
| Container | Flora of Metropolitan Parks, Massachusetts |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c8d0ea5f-dbc4-405b-9732-f1a7ebff1940 |
| Harvard University Herbaria Barcode | 00342019 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [is label name] |
| Family | Polygonaceae |
| Determination | Persicaria hydropiper (Linnaeus) Spach |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [is filed under name] [is Current name] |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
