| Classification | Piperaceae: Piper |
| Barcode(s) | 01883514 |
| Collector | E. D. Merrill |
| Collector number | 523 |
| Country | Philippines |
| State | Bulacan |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Bulacan |
| Locality | Angat |
| Date Collected | 1913-09-** |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3491bee5-2257-4d05-8141-4842ac73f3a9 |
| Harvard University Herbaria Barcode | 01883514 |
| Herbarium | A |
| Family | Piperaceae |
| Determination | Piper retrofractum Vahl |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |