| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936264 |
| Collector | J. F. Maxwell |
| Collector number | 99-70 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai |
| Locality | District: Mae Jam. Huay Bong (Karen) Village, Ban Chan Subdistrict |
| Date Collected | 1999-07-17 |
| Verbatim Elevation | 1050 m. |
| Habitat | partly shaded, slightly disturbed/degraded, primary, evergreen, seasonal hardwood forest with pine nearby; upper water catchment valley; granite bedrock. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ce030ec5-a7bb-44a6-b274-ee9eed019c63 |
| Harvard University Herbaria Barcode | 01936264 |
| 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 |
