| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Rheum |
| Harvard University Herbaria Barcode(s) | 00238115 |
| Collector | J. F. Rock |
| Collector number | 12409 |
| Country | China |
| State | Gansu |
| Geography | Asia: East Asia (Region): China: Gansu |
| Locality | T'ao River basin: Boggy alpine meadows, Mt. Koangkei. |
| Date Collected | 1925-06-** |
| Elevation | 3962 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5c0b7ebd-deab-422e-9f84-73c83c07e8a3 |
| Harvard University Herbaria Barcode | 00238115 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum hookeri Meisner |
| Determination Remarks | [0] |
| Family | Polygonaceae |
| Determination | Rheum nanum (Lingelsheim) Limpricht |
| Determined by | Boufford, David Edward |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
