| Classification | Polygonaceae: Rumex |
| Harvard University Herbaria Barcode(s) | 02006989 |
| Collector | F. Twist |
| Collector number | 4 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Yuma County |
| Locality | between Somerton and Colorado River |
| Date Collected | 1943-09-07 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/12f7c2d0-3b1c-45c8-89bc-3dec5b1e3005 |
| Harvard University Herbaria Barcode | 02006989 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Rumex crispus Linnaeus |
| Determined by | Dawson, John Ernest |
| Date Determined | 1979 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
