| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936270 |
| Collector | J. F. Maxwell |
| Collector number | 98-801 |
| Country | Thailand |
| Geography | Asia: Southeast Asia (Region): Thailand |
| Locality | Province: Nan. District: Bahn Luang. Doi Pah Chang Wildlife Sanctuary, southern tip, Huay Py Sta, along Huay Py (stream) Bahn Bee Subdistrict. |
| Date Collected | 1998-08-04 |
| Verbatim Elevation | 450 m |
| Habitat | shaded understorey; primary, mixed evergreen + deciduous, seasonal, hardwood forest; shale bedrock |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e7c12858-8976-4bf2-acae-fffab79634ba |
| Harvard University Herbaria Barcode | 01936270 |
| 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 |
