| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00036703 |
| Type Status | Holotype |
| Collector | A. H. Moore |
| Collector number | 2086 |
| Country | United States of America |
| State | West Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: West Virginia: Tucker County |
| Locality | banks of Shaver's Fork, Parsons |
| Date Collected | 1904-09-09 |
| Habitat | Moist pebble shore |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f540ac7d-eae6-4bee-b249-21b17a4d7b6d |
| Harvard University Herbaria Barcode | 00036703 |
| Herbarium | GH |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum hydropiper var. projectum Stanford |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Polygonum hydropiper var. projectum Stanford) Rhodora 1927. 29(341): 86. |
| Family | Polygonaceae |
| Determination | Persicaria hydropiper (Linnaeus) Spach |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper var. projectum Stanford |
| Determined by | E.E.S. [E. E. Stanford] |
| Date Determined | 1924 |
| Annotation Text | Type |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
