- Pignal, Marie-Claire
- Pignal, M-C
- Pignani, T. J. (Tullio J.)
- Pignati, Marina T.
- Pigniolo, Andrew
- Pigot, Bruce C.
- Pigot, Edward Francis
- Pigott, J P
- Pigott, R
- Pigott, R G
- Pigott, Thomas Digby, 1840-1927
- Pigott, Thomas Digby.
- Pigozzi, G
- Pigozzi, Giorgio
- Pigozzo, Camila
- Pigozzo, Camila Magalhães
- Piguet, Adolphe Pierre David,
- Piguet, E
- Piguet, Emile
- Pihan Delaforest, A. (Ange), 1791-1842
- Pihier, M
- Pihl, Axel, 1838-1927
- Piippo, Sinikka
- Pijanowski, Bryan
- Pijnappel, J
- Pijper, C
- Pijper, Cornelis
- Pijut, Paula M.
- Pikacha, Patrick
- Pikart, TG.
- Pikart, Tiago
- Pikart, Tiago G.
- Pike & Ellsworth (Firm)
- Pike Brothers.
- Pike County Nurseries.
- Pike, Benjamin, Jr.
- Pike, David T
- Pike, E M
- Pike, Edward M
- Pike, Kathleen M
- Pike, Keith
- Pike, Keith S
- Pike, Melissa
- Pike, Nicholas, 1817-1905
- Pike, Oliver G. (Oliver Gregory), 1877-1963
- Pike, Radcliffe B.
- Pike, Richard B., 1911-2008
- Pike, S. V.
- Pike, S. W.
- Pike, Walter N. (Walter Nathan), 1862-1953
- Pikes Peak Nurseries,
- Pikes Peak-Colorado Springs Dahlia Gardens,
- Pikes Peak-Colorado Springs Dahlia Gardens.
- Piko, Lajos
- Pil, Maria Whilhelmina
- Pil, Maria Wilhelmina
- Pilarski, F.
- Pilarski, Fabiana
- Pilát, Albert.
- Pilat, Ignatz Anton, 1820-1870
- Pilate, G. R.
- Pilate, Vinícius J.
- Pilato, G
- Pilato, Giovanni
- Pilcher, M
- Pilcher, R E M
- Pildain, María Belén
- Pildain, María Belén
- Pildain, María Belén
- Pile, Adele J
- Pilecco, M
- Pileggi, Leonardo
- Pileggi, Leonardo G
- Pileggi, Leonardo G.
- Pileski, Chris.
- Pilette, Andre.
- Pilger, John F.
- Pilger, R. (Robert), 1876-1953
- Pilgram-Kloppe, Katie
- Pilgrim, Guy Ellcock, 1875-1943
- Pilgrim, John D
- Pilgrim, Kristine L.
- Pilgrim, Neil G.
- Pilgrim, R L C
- Pilgrim, Wilfred
- Pilipenko, Valentin
- Pilitt, Dana Richard
- Pilkey, Orrin H
- Pilkey, Orrin H., 1934-
- Pilkington, J. B.
- Pilkington, Jb
- Pilkington, Mary (Hopkins) 1766-1839
- Pilkington, Mc
- Pilkington, William
- Pill, Andrew
- Pilla, Milena Andrea Curitiba
- Pillado, M S
- Pillado, Maria Susana
- Pillai, M C
- Pillai, Muralidharan C
- Pillai, N G
- Pillai, N K
- Pillai, R K
- Pillai, R S
- Pillai, S K
- Pillai, S P
- Pillai, S R M
- Pillai, T Gottfried
- Pillai, V N
- Pillain, Augustin.
- Pillans, Charles Eustace.
- Pillans, N S
- Pillar, V. D.
- Pillar, Valério De P
- Pillar, Valério DePatta
- Pillar, VD
- Pillay, A R
- Pillay, B S
- Pillay, N
- Pillay, R S
- Pillay, R S N
- Pillay, R Shunkara Narayana
- Pillay, Rajeev
- Pillay, S B
- Pillay, T V R
- Piller, Ingrid
- Piller, Kyle
- Piller, Kyle R.
- Piller, Kyle R.
- Piller, Mathias, 1733-1788
- Pilleri, G
- Pillers, A Noel
- Pillers, A W N
- Pillet, Charles
- Pillet, J-M
- Pillet, Pierre-Augustin-Jacques-François, 1779-1857
- Pillevuit, Alain
- Pilliet, A-H
- Pilling, James Constantine, 1846-1895
- Pillola, G L
- Pillot,
- Pillot, Mme., active 19th century-
- Pillot, F. D.
- Pillow, Gideon Johnson, 1806-1878
- Pillow, M. Y. (Maxon Young) 1899-
- Pillsbury, Arthur C.
- Pillsbury, George Bigelow, 1876-
- Pillsbury, J H
- Pillsbury, Norman H.
- Pillsbury, Stephen W
- Pillukat, A
- Pilo, Bonny
- Pilon, Natashi A. Lima
- Pilon, Natashi Aparecida Lima
- Piloni, Gabriel
- Pilot Point Dewberry Farm.
- Pilotti, Carmel A
- Piló-Veloso, Dorila
- Pilsbry, H H
- Pilsbry, Henry Augustus, 1862-1957
- Pilsby, Harry A
- Pilsk, Suzanne
- Pilson, M E Q
- Pilson, Michael E Q
- Piltz, A.
- Piltz, F M
- Pilz, George
- Pilz, George E
- Pim, Bedford, 1826-1886
- Pimenov, M G
- Pimenova, Eugenia A
- Pimenta, A D
- Pimenta, Adriane Marques
- Pimenta, Alexandre
- Pimenta, Alexandre D
- Pimenta, Alexandre Dias
- Pimenta, Alexandre Dias
- Pimenta, Bruno V S
- Pimenta, Cristiane Marques Monteiro
- Pimenta, Daniel
- Pimenta, Débora Da Rocha
- Pimenta, E. C.
- Pimenta, F. C.
- Pimenta, Helcio R
- Pimenta, J. A.
- Pimenta, J.A.
- Pimenta, José A.
- Pimenta, José Antonio
- Pimenta, José Antônio
- Pimenta, M.
- Pimenta, Maiana R.
- Pimenta, Mariana
- Pimenta, MR.
- Pimenta, Vinícius T
- Pimenta, VT.
- Pimentel Pereira, Manuel
- Pimentel Trajano, Eliander
- Pimentel, Carlos
- Pimentel, Carolina
- Pimentel, David
- Pimentel, E. R.
- Pimentel, Flavio Araujo
- Pimentel, Flávio Araújo
- Pimentel, I. C.
- Pimentel, José Luis
- Pimentel, Leonardo M. S.
- Pimentel, Marcia A. de Lima
- Pimentel, Marina C. P.
- Pimentel, Rafael Ribeiro
- Pimentel, Rejane Magalhães de Mendonça
- Pimentel, Renah Boanerges de Queiroz
- Pimentel, Reynold
- Pimentel, Richard A.
- Pimentel, Rufinita C.
- Pimentel, Sabria Aued
- Pimentel, Tania P.
- Pimentel-Souza, F
- Pimento, R
- Pimento, R J
- Pimento, Rex J
- Pimienta, María Cleopatra
- Pimienta-Barrios, Eulogio
- Pimlott, Douglas H. 1920-1978
- Pimm, Stuart L
- Pimpão, Daniel M.
- Pimpão, Daniel Mansur
- Pimper, Lida E
- Pimsai, Uraiporn
- Pimvichai, Piyatida
- Pin, Kakada
- Pin, Ong Tun
- Pina Amargós, Fabián
- Pina Paez, Carolina
- Pina, Adriana Lozada
- Piña, Carlos
- Piña, Carlos I.
- Pina, D. S.
- Pina, Gloria M. Alonso de.
- Pina, Juliana Moreno
- Pina, Juliana Ventura da
- Pina, Sílvia
- Piña-Aguilar, Raúl E.
- Pinacho, Carlos
- Pinacho-Pinacho, Carlos Daniel
- Piña-González, JL
- Piña-Leyva, Celia
- Pinangé, Diego Sotero de Barros
- Piñango, José
- Piñar Fuentes, José Carlos
- Pinar, Nuriye