| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036695 |
| Type Status | Type, Holotype |
| Collector | T. Nuttall |
| Country | United States of America |
| Geography | North America: North America (CA, US, MX) (Region): United States of America |
| Locality | Columbia Plains |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/172dd6fb-30cd-4c93-bade-f8a09083988c |
| Harvard University Herbaria Barcode | 00036695 |
| Herbarium | GH |
| Previous ownership | Presented by Elias Durand, 1866 |
| Family | Polygonaceae |
| Type Status | Type |
| Type of | Polygonum confertiflorum Nuttall ex Piper |
| Verified by | L. C. Wheeler |
| Date Determined | 1938 |
| Taxon Reference | (for Polygonum confertiflorum Nuttall ex Piper) Contr. U.S. Natl. Herb. 1906. 11: 228. |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum confertiflorum Nuttall ex Piper |
| Taxon Reference | (for Polygonum confertiflorum Nuttall ex Piper) Contr. U.S. Natl. Herb. 1906. 11: 228. |
| Family | Polygonaceae |
| Determination | Polygonum polygaloides subsp. confertiflorum (Nuttall ex Piper) J. C. Hickman |
| Determined by | J. C. Hickman (JEPS) |
| Determination Remarks | [current name] |
| Annotation Text | 1985/86 Holotype of P. confertiflorum Nuttall ex Piper |
| Family | Polygonaceae |
| Determination | Polygonum confertiflorum Nuttall ex Piper |
| Determined by | L. C> Wheeler |
| Date Determined | 1937 |
| Annotation Text | Type |
| Family | Polygonaceae |
| Determination | Polygonum confertiflorum Nuttall ex Piper |
| Determined by | J. F. Macbride |
| Date Determined | 1918 |
| Annotation Text | J.F.M. |
| Family | Polygonaceae |
| Determination | Polygonum watsonii Small |
| Determination Remarks | [annotation on sheet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
