| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036701 |
| Type Status | Syntype |
| Collector | E. L. Greene |
| Collector number | 973 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Shasta County |
| Locality | Plains of Shasta |
| Date Collected | 1876 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/94c87888-c75b-47ab-9417-aa4349c5788c |
| Harvard University Herbaria Barcode | 00036701 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum greenei S. Watson |
| Determination Remarks | [is label name] |
| Annotation Text | n. sp. |
| Family | Polygonaceae |
| Determination | Polygonum bidwelliae S. Watson |
| Determined by | O. V. Yurtseva (MW) |
| Date Determined | 1999 |
| Determination Remarks | [is Current name] |
| Family | Polygonaceae |
| Type Status | Syntype |
| Syntype of | Polygonum greenei S. Watson |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Polygonum greenei S. Watson) Proc. Amer. Acad. Arts 1879. 14: 295. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
