| Classification | Polygonaceae: Persicaria |
| Classification 1 | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00342022 |
| Collector | H. A. Purdie |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | Side of South-west Boundary path, Boston side, Stony Brook Reservation [Hyde Park/West Roxbury] |
| Date Collected | 1902-08-20 |
| Habitat | in Cat-tail and Woodwardia virginica swamp |
| Container | Metropolitan Park Flora |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/90dffc99-3c31-41ab-ba3a-7a1462d9832c |
| Harvard University Herbaria Barcode | 00342022 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Persicaria hydropiperoides (Michaux) Small |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determined by | C. Park (NY) |
| Date Determined | 1990-06-** |
| Determination Remarks | [filed under] |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determination Remarks | [label name] |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
