| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00342024 |
| 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: Norfolk County: Quincy |
| Locality | along Saw Cut Notch road. Blue Hills [Reservation] |
| Date Collected | 1919-08-21 |
| Habitat | Wet land |
| Container | Flora of Metropolitan Parks, Massachusetts |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/af5f7a3b-9632-4464-929c-e043075ca0fb |
| Harvard University Herbaria Barcode | 00342024 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determination Remarks | [is label name] |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determined by | C. Park (NY) |
| Date Determined | 1990-06-** |
| Determination Remarks | [is filed under name] |
| Family | Polygonaceae |
| Determination | Persicaria hydropiperoides (Michaux) Small |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [is Current name] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
