| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Piper alnoides C.DC. | R. Kummrow 1492 09 Mar 1981 | Brazil. Santa Catarina. Sao Geraldo (mun. Gravatal). | 555649 |  | |
| Piper rioense Yunck. | H. P. Velloso s.n. 11 Feb 1943 | Brazil. Proc. Fazenda da Boa Fe, Terezopolis, E. do Rio de Janeiro. | isotype | 251705 |  |
| Piper rioense Yunck. | H. P. Velloso s.n. 11 Feb 1943 | Brazil. Proc. Fazenda da Boa Fe, Terezopolis, E. do Rio de Janeiro. | isotype | 251704 |  |
| Piper santa-rosanum C.DC. | E. T. Heyde 3463 with E. Lux, May 1892 | Guatemala. Santa Rosa. Amblice. | syntype | 250998 |  |
| Piper miquelianum C.DC. var. miquelianum | A. Löfgren 534 | Brazil. Brasilia. | 556962 |  | |
| Piper erubescentispica Trel. | R. E. Woodson Jr. 1817 with P. H. Allen, R. J. Seibert, 08 Aug 1938-19 Aug 1938 | Panama. Bocas del Toro. Vicinity of Nievecita. | isotype | 250891 |  |
| Piper wedelii var. retrohirsutum Yunck. | H. von Wedel 1575 09 Nov 1940 | Panama. Bocas del Toro. Water Valley, vicinity of Chiriqui Lagoon. | isotype | 251055 |  |
| Piper nigrispicum C.DC. | H. Peckham 2 15 Sep 2000 | French Guiana. Vicinity of Les Eaux Claires, ca. 7 kms NNW of Saül. Layon Biche Trail. | 493300 |  | |
| Piper barkleyi Yunck. | F. Sierra Soto 18C629 with F. A. Barkley, 19 Apr 1948 | Colombia. Antioquia. En selvas humedas y densas cerca a Villa Arteaga. | isotype | 251141 |  |
| 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 hieronymi var. glabrum C.DC. | P. G. Lorentz s.n. with G. Hieronymus, 02 Sep 1873 | Argentina. Wald von Jabaral by Oran. | possible type | 251364 |  |
| Piper crispans Trel. | A. M. Brenes 5236 22 Jul 1926 | Costa Rica. Alajuela. La Palma de San Ramon (socorro). | isotype | 250869 |  |
| Piper interruptum var. loheri C.DC. | E. Fénix 12983 Dec 1910 | Philippines. La Union. Bauang; Luzon. | type | 283911 |  |
| Piper metae Trel. | O. L. Haught 2527 06 Jan 1939 | Colombia. Los Llanos; Intendencia El Meta. Villavicencio. | possible type | 251489 |  |
| Piper consanguineum (Kunth) C.DC. | J.-J. de Granville 696 14 Dec 1970 | French Guiana. Route de l' Aérodrome de Saül - Région de Saül. | |||
| Piper consanguineum (Kunth) C.DC. | J.-J. de Granville 869 11 Dec 1971 | French Guiana. | |||
| Piper consanguineum (Kunth) C.DC. | L. E. Skog 7155 30 Oct 1986 | French Guiana. Layon La Douane - Belvédère - Région de Saül. | |||
| Piper sternii Yunck. | W. L. Stern 420 with K. L. Chambers, J. D. Dwyer, J. E. Ebinger, 12 Jun 1959 | Panama. Darién. Trail between Paya & Pucro. | isotype | 251013 |  |
| Piper perbrevispicum Yunck. | O. L. Haught 4809 23 Apr 1946 | Colombia. Antioquia. Turbo, on ridge west of Rio Mulatos. | isotype | 251598 |  |
| Piper caninum var. latibracteum C.DC. | A. D. E. Elmer 7990 May 1907 | Philippines. Lucban, Province of Tayabas, Luzon. | syntype | 283891 |  |
| Piper caninum var. latibracteum C.DC. | A. D. E. Elmer 7990 May 1907 | Philippines. Lucban, Province of Tayabas, Luzon. | syntype | 283892 |  |
| Piper vellosoi Yunck. | H. P. Velloso 720 10 Mar 1944 | Brazil. Bahia. Sta. Rita. | isotype | 283833 |  |
| Piper perpusillum Callejas | R. Callejas Posada 4094 with A. Arbelaez, H. Correa & J. Betancur, 23 Jun 1987 | Colombia. Antioquia. Municipio de San Luis: Rio Samana norte, margen izquierda del rio, sobre la via Medellin-Bogota. | isotype | 251606 |  |
| Piper echinocaule Yunck. | K. von Sneidern 406 28 Dec 1935 | Colombia. Cauca. Ad pag. El Tambo in silva primaeva ad Munchique. | isotype | 251282 |  |
| Piper echinocaule Yunck. | K. von Sneidern 406 28 Dec 1935 | Colombia. Cauca. Ad pag. El Tambo in silva primaeva ad Munchique. | isotype | 251283 |  |
| Piper echinocaule Yunck. | K. von Sneidern 406 28 Dec 1935 | Colombia. Cauca. Ad pag. El Tambo in silva primaeva ad Munchique. | isotype | 251284 |  |
| Piper | A. A. Soares 6 with Gonçalves, K.S.; Silveira, A.L.P; Daly, D.; Edson, 22 May 2018 | Brazil. Rondônia. Porto Velho Mun. Floresta Ombrofila aberta, Sitio do senhor Lula, area alterada. | |||
| Piper | A. A. Soares 19 with Gonçalves, K.S.; Silveira, A.L.P; Daly, D.; Edson, 22 May 2018 | Brazil. Rondônia. Porto Velho Mun. Floresta Ombrofila aberta, Sitio do senhor Lula, area alterada. | |||
| Piper | A. A. Soares 20 with Gonçalves, K.S.; Silveira, A.L.P; Daly, D.; Edson, 22 May 2018 | Brazil. Rondônia. Porto Velho Mun. Floresta Ombrofila aberta, Sitio do senhor Lula, area alterada. | |||
| Piper tuberculatum var. minus C.DC. | A. J. de Sampaio 892 12 Sep 1909 | Brazil. Rio de Janeiro. A margem direita do Rio Itabapoana: fertad de Cacimbay [spelling questionable]. | 557333 |  | |
| Piper subdurum Trel. | A. F. Skutch 2993 Dec 1935 | Costa Rica. San José. Vicinity of El General. | isotype | 251017 |  |
| Piper divaricatum G.Mey. | L. J. Gillespie 2362 with S. Tiwari, 15 Oct 1989 | Guyana. Cuyuni-Mazaruni. Julian Ross Itabu River, 2-7 km upstream off Cuyuni River, mouth of Haimaralli Falls. | 556268 |  | |
| Piper divaricatum G.Mey. | C. Gaudichaud-Beaupré 86 1836-1837 | Brazil. Rio de Janeiro. Rio de Janeiro; Voyage de la Bonite. | 556302 |  | |
| Piper divaricatum G.Mey. | C. E. F. von Glocker 7 1842 | Brazil. Bahia. Brasilia. | 556274 |  | |
| Piper divaricatum G.Mey. | C. V. Freire 60 Oct 1924 | Brazil. Espírito Santo. Bananal. | 556300 | ||
| Piper divaricatum G.Mey. | H. d. C. Monteiro 1938 Sep 1938 | Brazil. Rio de Janeiro. Estrada Rio-Petrópolis. | 556306 |  | |
| Piper humistratum Görts & K.U.Kramer | J. G. Wessels Boer 1469 24 May 1963 | Suriname. Inter flum. Coppename Dextrum et montets Emma. | isotype | 251379 |  |
| Piper calciseligens Trel. | H. Stehlé 1340 05 Feb 1937 | Guadeloupe. Ste-Anne à St-François (bord route). | isotype | 73394 |  |
| Piper ellipticifolium Yunck. | H. P. Velloso s.n. 12 Feb 1943 | Brazil. Este do Rio, Proc. Fazenda da Boa Fe, Terezopolis. | holotype fragment | 251288 |  |
| Piper subflavum C.DC. | F. W. Pennell 8232 with E. P. Killip, 03 Jul 1922 | Colombia. Cauca. Rio Sucio to Rio Pedras, west of Popayan; Cauca Valley. | 251287 |  |