| Classification | Piperaceae: Peperomia | 
| Harvard University Herbaria Barcode(s) | 00004987 | 
| Type Status | Isotype | 
| Collector | S. Calderón | 
| Collector number | 1121 | 
| Country | El Salvador | 
| State | San Salvador | 
| Geography | North America: Central America (Region): El Salvador: San Salvador | 
| Date Collected | 1922-08-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/06cfaa30-7751-440b-932a-23fe93a5bb60 | 
| Harvard University Herbaria Barcode | 00004987 | 
| Herbarium | GH | 
| Family | Piperaceae | 
| Type Status | Isotype | 
| Isotype of | Peperomia matapalo Trelease | 
| Verified by | A. Bornstein | 
| Taxon Reference | (for  Peperomia matapalo Trelease) J. Wash. Acad. Sci. 1923. 13: 366. | 
| Family | Piperaceae | 
| Determination | Peperomia tuisana C. de Candolle | 
| Determined by | G. Mathieu | 
| Date Determined | 2005-11-** | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |