| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00112838 |
| Type Status | Lectotype |
| Collector | C. G. Pringle |
| Collector number | 3 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Locality | Bluffs by the Columbia River |
| Date Collected | 1881-10-07 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b260b125-3fe9-487d-88bd-9eead7bbaa88 |
| Harvard University Herbaria Barcode | 00112838 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum intermedium Nuttall ex S. Watson |
| Determination Remarks | [is label name] |
| Family | Polygonaceae |
| Determination | Polygonum douglasii subsp. nuttalli (Small) Hickman |
| Determined by | M. Costea |
| Date Determined | 2002 |
| Annotation Text | NEOTYPE (Hitchcock et al. 1964) |
| Family | Polygonaceae |
| Determination | Polygonum nuttallii Small |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [is Current name] |
| Annotation Text | Cited by M. Costea & F. J. Tardif, Brittonia 57: 18. 2005 |
| Family | Polygonaceae |
| Type Status | Lectotype |
| Lectotype of | Polygonum intermedium Nuttall ex S. Watson |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | non Polygonum intermedium Ehrh., 1791 |
| Taxon Reference | (for Polygonum intermedium Nuttall ex S. Watson) Proc. Amer. Acad. Arts 1882. 17: 378. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
