| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936276 |
| Collector | J. F. Maxwell |
| Collector number | 96-85 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai: Chiang Dao |
| Locality | Doi Shiang Dao Wildlife Sanctuary, east of Huay Mae Gawk Station |
| Date Collected | 1996-01-26 |
| Verbatim Elevation | 1525 m |
| Habitat | mostly shaded area in mixed, seasonal evergreen hardwood + pine forest; granite bedrock; upper watercatchment valley |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/982f00b7-155e-4dc8-b4fc-ebf9425a9fdc |
| Harvard University Herbaria Barcode | 01936276 |
| 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 |
