| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00364822 |
| Collector | J. T. Howell |
| Collector number | 12576 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Solano County |
| Locality | Suisun Marshes at Suisun |
| Date Collected | 1934-09-23 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1a645b3d-3b62-42c9-b691-646179fb8d17 |
| Harvard University Herbaria Barcode | 00364822 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum sp. |
| Determination Remarks | [filed under] [current name] |
| Family | Polygonaceae |
| Determination | Polygonum sp. |
| Determination Remarks | [filed under] |
| Family | Polygonaceae |
| Determination | Not Polygonum patulum M. Bieberstein |
| Determined by | Costea, Mihai |
| Date Determined | 2003 |
| Annotation Text | Distinct taxon related to the p. ramosissimum agg. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |