| Classification | Polygonum: Polygonaceae |
| Classification 1 | Persicaria: Polygonaceae |
| Classification 2 | Polygonum: Polygonaceae |
| Harvard University Herbaria Barcode(s) | 00267377 |
| Type Status | Lectotype |
| Collector | S. H. Wright |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Yates County: Dundee |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/60d02286-c259-4373-9751-2ac4f88b33c5 |
| Harvard University Herbaria Barcode | 00267377 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum natans f. hartwightii (A. Gray) Stanford |
| Determined by | [E. E. Stanford (scripsit) annotation on sheet, W. t. Kittrege, 2019] |
| Family | Polygonaceae |
| Determination | Polygonum amphibium var. hartwrightii (A. Gray) Bissell |
| Determined by | [annotation on sheet] |
| Family | Polygonaceae |
| Determination | Polygonum hartwrightii A. Gray |
| Determined by | [A. Gray (scripsit) W. T. Kittredge, 2019] |
| Determination Remarks | [is label name] |
| Annotation Text | n. sp. |
| Family | Polygonaceae |
| Determination | Persicaria amphibia var. stipulacea (N. Coleman) H. Hara |
| Determined by | [M. L. Fernald (scripsit) annotation on sheet] W. T. Kittredge, 2019] |
| Family | Polygonaceae |
| Determination | Persicaria amphibia (Linnaeus) Delarbre |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [is Current name] |
| Family | Polygonaceae |
| Type Status | Lectotype |
| Lectotype of | Polygonum hartwrightii A. Gray |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2008 |
| Determination Remarks | [is filed under name] |
| Annotation Text | step 1, Stanford cites "New York: a series of sheets by S. H. Wright, Dundee, Yates Co., and no doubt Gray types" |
| Taxon Reference | (for Polygonum hartwrightii A. Gray) Proc. Amer. Acad. Arts 1870. 8: 294. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
