| Classification | Piperaceae: Piper |
| Harvard University Herbaria Barcode(s) | 01936277 |
| Collector | J. F. Maxwell |
| Collector number | 90-911 |
| Country | Thailand |
| State | Chiang Mai |
| Geography | Asia: Southeast Asia (Region): Thailand: Chiang Mai: Chiang Dao |
| Locality | Doi Chiang Dao Animal Sanctuary, NE side, Sop Huay Pa Dahng-Huay Na Lao Forest Station area |
| Date Collected | 1990-08-25 |
| Verbatim Elevation | 525 m. |
| Habitat | shaded area along a small stream in the mixed evergreen/deciduous forest granite bedrock |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3d1d434b-cd8b-49c7-9329-ebd6e660a99f |
| Harvard University Herbaria Barcode | 01936277 |
| 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 |
