| Classification | Polygonaceae: Rumex |
| Harvard University Herbaria Barcode(s) | 02005279 |
| Collector | M. Hopkins & M. Van Valkenburgh |
| Collector number | 4333 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Le Flore County |
| Locality | near Albion |
| Date Collected | 1939-05-20 |
| Habitat | Moist swaly meadow |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fcfedaa9-125e-4a93-8bc8-9fe8d0d776c3 |
| Harvard University Herbaria Barcode | 02005279 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of the University of Oklahoma |
| Family | Polygonaceae |
| Determination | Rumex hastatulus Baldw. |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
