| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036721 |
| Type Status | Type |
| Collector | T. Nuttall |
| Country | United States of America |
| Geography | North America: North America (CA, US, MX) (Region): United States of America |
| Locality | R. Mts - U. Calif [Rocky Mountains - Upper California] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a2589eae-1519-4469-ac05-083a695306c4 |
| Harvard University Herbaria Barcode | 00036721 |
| Herbarium | GH |
| Previous ownership | Presented by Elias Durand, 1866 |
| Family | Polygonaceae |
| Determination | Polygonum imbricatum Nuttall ex S. Watson |
| Determination Remarks | [is label name] |
| Family | Polygonaceae |
| Determination | Polygonum watsonii Small |
| Determined by | L. C. Wheeler |
| Date Determined | 1937 |
| Annotation Text | Type |
| Family | Polygonaceae |
| Determination | Polygonum polygaloides subsp. confertiflorum (Nuttall ex Piper) J. C. Hickman |
| Determined by | J. C. Hickman (JEPS) |
| Date Determined | 1983 |
| Determination Remarks | [is Current name] |
| Annotation Text | HOLOTYPE. habit that of ssp. c.; aks mixed: striate as in ssp. c., dark shiny, and slender as in intermediates between ssp. c. and ssp. esotericum |
| Family | Polygonaceae |
| Type Status | Type |
| Type of | Polygonum imbricatum Nuttall ex S. Watson |
| Verified by | L. C. Wheeler |
| Date Determined | 1938 |
| Taxon Reference | (for Polygonum imbricatum Nuttall ex S. Watson) Amer. Naturalist 1873. 7: 665. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
