| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936267 |
| Collector | J. F. Maxwell |
| Collector number | 97-374 |
| Country | Thailand |
| State | Lampang |
| Geography | Asia: Southeast Asia (Region): Thailand: Lampang |
| Locality | District: Wahng Nua. Doi Luang Natioanl Park, SW. side, Wahng Gayo Falls; below the falls, along the stream |
| Date Collected | 1997-04-21 |
| Verbatim Elevation | 575 m. |
| Habitat | shaded area in seasonal, mixed evergreen + deciduous primary hardwood forest; granite bedrock |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a265d28-11e4-405a-be04-ef540209acc5 |
| Harvard University Herbaria Barcode | 01936267 |
| 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 |
