| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036702 |
| Type Status | Isotype |
| Collector | G. B. Ownbey & F. M. Ownbey |
| Collector number | 2774 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Malheur County |
| Locality | 12 miles north of Jordan Valley |
| Date Collected | 1946-06-13 |
| Habitat | Disturbed soil |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ca857f9d-199f-4063-aeb9-58659634b5f4 |
| Harvard University Herbaria Barcode | 00036702 |
| Herbarium | GH |
| Family | Polygonaceae |
| Type Status | Isotype |
| Isotype of | Polygonum heterosepalum M. Peck & Ownbey |
| Taxon Reference | (for Polygonum heterosepalum M. Peck & Ownbey) Madroño 1950. 10: 250. |
| Family | Polygonaceae |
| Determination | Polygonum heterosepalum M. Peck & Ownbey |
| Determination Remarks | [label name] [current name] |
| Annotation Text | Isotype |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
