| Classification | Lythraceae: Trapa |
| Harvard University Herbaria Barcode(s) | 00283844 |
| Collector | J. F. Maxwell |
| Collector number | 96-685 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai: San Sai |
| Locality | Near Wihwehk Wehn Nahrahm Temple, Nawag Hahn Subdistrict |
| Date Collected | 1996-05-14 |
| Elevation | 350 m |
| Habitat | Open, shallow, mud-bottom pond in very degraded, distrubed residential area, deciduous dipterocarp-oak hardwood forest |
| Substrate | Granite bedrock |
| Vernacular Name | grah jahp jee pon |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/08e87870-8e01-4990-8de5-0fcf64fca75d |
| Harvard University Herbaria Barcode | 00283844 |
| Herbarium | A |
| Family | Lythraceae |
| Determination | Compare Trapa incisa Siebold & Zuccarini |
| Determination Remarks | [current name] |
| Family | Lythraceae |
| Determination | Trapa natans Linnaeus |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
