| Classification | Polygonaceae |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00238803 |
| Collector | H. T. Tsai |
| Collector number | 53211 |
| Country | China |
| State | Yunnan |
| Geography | Asia: East Asia (Region): China: Yunnan: Jianshui |
| Locality | Kien-shuei Hsien. |
| Date Collected | 1933-04-21 |
| Elevation | 1500 m |
| Habitat | By stream in woods. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a0f3cc4a-488e-4879-bcbf-e7cf84abf56f |
| Harvard University Herbaria Barcode | 00238803 |
| Herbarium | A |
| Family | Polygonaceae |
| Determination | Polygonum Linnaeus |
| Determination Remarks | [0] |
| Family | Polygonaceae |
| Determination | Persicaria posumbu (Buchanan-Hamilton ex D. Don) H. Gross |
| Determined by | Boufford, David Edward |
| Date Determined | 2021-01-11 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
