| Classification | Polygonaceae: Persicaria |
| Classification 1 | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00353581 |
| Collector | S. R. Hill |
| Collector number | 20006 |
| Country | United States of America |
| State | Maryland |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Baltimore County |
| Locality | Gunpowder State Park; N of Big Falls Road at crossing over Gunpowder River. Near Panther Branch. Monkton |
| Date Collected | 1988-09-27 |
| Habitat | Rich woodland |
| Substrate | soil possibly alkaline or neutral |
| Frequency | occasional |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/42ab2d98-818b-4dc5-813b-1d759c4e0c4a |
| Harvard University Herbaria Barcode | 00353581 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Persicaria perfoliata (Linnaeus) H. Gross |
| Determination Remarks | [filed under] [current name] |
| Family | Polygonaceae |
| Determination | Polygonum perfoliatum Linnaeus |
| Determination Remarks | [label name] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
