| Classification | Polygonum: Polygonaceae |
| Classification 1 | Persicaria: Polygonaceae |
| Classification 2 | Polygonum: Polygonaceae |
| Harvard University Herbaria Barcode(s) | 00036714 |
| Type Status | Holotype |
| Collector | M. L. Fernald |
| Collector number | 14701 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Southampton County |
| Locality | Whitefield's Millpond, southwest of Corinth |
| Date Collected | 1944-09-18 |
| Habitat | Moist sandy and peaty shore |
| Container | Flora of Southeastern Virginia |
| Frequency | Very abundant |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1fb32897-321b-472a-a500-a50d9499a3a7 |
| Harvard University Herbaria Barcode | 00036714 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides var. euronotorum Fernald |
| Determined by | [M. L. Fernald (scripsit) W. T. Kittredge, 2019] |
| Determination Remarks | [is label name] |
| Annotation Text | n. var. Type no. |
| Family | Polygonaceae |
| Determination | Persicaria hydropiperoides (Michaux) Small |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [is Current name] |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum hydropiperoides var. euronotorum Fernald |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Polygonum hydropiperoides var. euronotorum Fernald) Rhodora 1945. 47(556): 137. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
