| Classification | Piperaceae: Piper | 
| Harvard University Herbaria Barcode(s) | 01964539 | 
| Collector | E. Hassler | 
| Collector number | 4140 | 
| Country | Paraguay | 
| Geography | South America: South America (Region) (Region): Paraguay | 
| Locality | Iter ad "Yerbales" montium "Sierra de Maracayú" In regione vicine San Estanislao | 
| Date Collected | [Aug] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dadb100d-855c-4943-8380-35fd30c4626d | 
| Harvard University Herbaria Barcode | 01964539 | 
| Herbarium | A | 
| Family | Piperaceae | 
| Determination | Piper angustifolium Lamarck | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |