| Name | Piper johnstoni C. de Candolle |
| Authorship | C. de Candolle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Piper Linnaeus |
| Citation | 1905 Proc. Amer. Acad. Arts 40: 685 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Piper johnstoni C. de Candolle |
| Identification made in | [no date] (1) |
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