| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936259 |
| Collector | J. F. Maxwell |
| Collector number | 05-596 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai |
| Locality | District: Mae Awn. Doi Lohn (Lahn), west side, south slope above Mae Lie Village; Huay Gayo Subdistrict |
| Date Collected | 2005-10-23 |
| Verbatim Elevation | 1150 m. |
| Habitat | mostly shaded, disturbed margins of degraded, primary, evergreen, seasonal, hardwood forest and a miang/tea plantation; granite bedrock |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/490fb03f-9664-4d45-99d8-a61ada0b35db |
| Harvard University Herbaria Barcode | 01936259 |
| Herbarium | A |
| Family | Piperaceae |
| Determination | Piper retrofractum Vahl |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
