| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936260 |
| Collector | J. F. Maxwell |
| Collector number | 04-204 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai |
| Locality | District: Mae Awn. Doi Lohn (Lahn), west side, upper water catchment valley above Mae Gahm Bawng village; Huay Gayo Subdistrict |
| Date Collected | 2004-04-07 |
| Verbatim Elevation | 1475 m. |
| Habitat | shaded, moist/wet, rocky area along a small stream; primary, evergreen, seasonal, hardwood forest; granite bedrock |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2096803d-cba8-4e94-9896-25f3bd7cac3f |
| Harvard University Herbaria Barcode | 01936260 |
| 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 |
