| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Piper payanum Yunck. | W. L. Stern 220 with K. L. Chambers, J. D. Dwyer, J. E. Ebinger, 11 Jun 1959 | Panama. Darién. Trail, Paya to Pucra. | isotype | 250967 |  |
| Piper payanum Yunck. | W. H. Welch 19635 | Panama. Canal Zone. George W. Green Park, east of Summit Garden, in Madden Forest Preserve, near Continental Divide. | 04129496 |  |