- G. & W. Nicol,
- G. And W. B. Whittaker,
- G. and W. Nicol (Firm),
- G. Baldwin (Firm)
- G. Brunning & Sons,
- G. Charozé,
- G. Drobisch (Firm)
- G. G. and J. Robinson (Paternoster Row, London, England)
- G. G. J. and J. Robinson (Paternoster-Row, London, England)
- G. H. Barr & Company.
- G. H. Bushnell & Co.
- G. H. Miller & Son.
- G. H. Stearns (Firm)
- G. J. Braun (Firm)
- G. J. Carpenter Co.
- G. J. Turnbull (Firm),
- G. L. F. Seed Service.
- G. L. Welch (Firm)
- G. Leigh, J. Et S. Sotheby,
- G. M.
- G. Onderdonk Co.
- G. Onderdonk Company.
- G. P. Putnam & Co.
- G. Reuthe Ltd.,
- G. Rondeau (Firm)
- G. S. Butler (Firm)
- G. S. Christy (Firm)
- G. Schuele (Firm)
- G. Stephens Archer (Firm)
- G. T. Allan & Co.,
- G. Thorburn & Son.
- G. W. Pennebaker (Firm)
- G., B. J.
- G., G Guevara
- G., Guillermo Nogueira
- G., H. B.
- G., M Cerda
- G., R. C.
- G., Walter L Bulled C M
- G.A. Costich Co. (Firm)
- G.A. Earl (Firm)
- G.A. McKee Nursery.
- G.A. Shaw & Sons.
- G.B. Cutler Seed Co.
- G.C. Stone (Firm)
- G.C. van Meeuwen & Sons.
- G.C. Watson (Firm)
- G.D. Black & Son.
- G.D. Black (Firm)
- G.D. Howe (Firm)
- G.D. Sutton Co.
- G.D. Sutton Company.
- G.E. Bunting & Sons.
- G.E. Conkey Company.
- G.E. Prater Jr. (Firm)
- G.G. Nearing (Firm)
- G.H. & J.H. Hale (Firm : South Glastonbury, Conn.)
- G.H. & J.H. Hale (Firm)
- G.H. Hunkel Company
- G.H. Hunkel Company.
- G.H. Miller & Son.
- G.H. Poe (Firm)
- G.H. Tomlinson (Firm)
- G.H. Wilkinson & Co.,
- G.H. Williams And Co.,
- G.H. Wilson Seed Co.
- G.H. Wilson Seed Co.,
- G.J. Alberts & Co.
- G.J. Ratcliffe (Firm)
- G.L. Bissell (Firm)
- G.L. Freeman Co.
- G.L. Taber (Firm)
- G.L. Welch & Co.
- G.M. Bacon (Firm)
- G.M. Bacon Pecan Company.
- G.M. Bacon Pecan Groves, Inc.
- G.N. Moyer & Son,
- G.N. Moyer & Son.
- G.N. Renner & Comp.,
- G.R. Gause & Co.
- G.R. Gause (Firm)
- G.S. Reid (Firm)
- G.T. Taylor,
- G.W. Bacon & Co.
- G.W. Forte, T’ai
- G.W. Huth Seed Co.
- G.W. Stuart & Co.
- G.W. Thacker (Firm)
- G.W. Whitney & Co.
- G.W. Wilson (Firm : Lisbon, Ohio)
- Gaafar, S
- Gaál, Stefan v.
- Gaalloo, Enrico
- Gaar Nurseries.
- Gaar Nursery Company.
- Gaar, M. H.
- Gaasbequii (Firm),
- Gabadage, Dinesh
- Gabaldon, S. B.
- Gabaldón, Toni
- Gabancho, Ledis Regalado
- Gaban-Lima, Renato
- Gabb, William More 1839-1878
- Gabbanelli, Valeria
- Gabbard, Jennifer
- Gabbert, Sherri L.
- Gabbi, Umberto
- Gabbiani, Sandro
- Gabe, Manfred
- Gabe, Susan Hoffer
- Gabel, A C
- Gabel, Charles E
- Gäbel, E
- Gabel, Eileen
- Gabel, J. Russel
- Gabel, M L
- Gabel, S E
- Gabelaia, Mariam
- Gabella, Juan P.
- Gabellini, Antonio
- Gabin, C
- Gabioud, Emmanuel
- Gable Gardens,
- Gable, Charles Hugh, 1883-
- Gable, Daniel P.
- Gable, Jennifer
- Gable, John A.
- Gable, Joseph B.
- Gable, Michael F
- Gable, Thomas D.
- Gable, Thomas P.
- Gabler, Ambrosius, 1762-1834
- Gabler, Hans
- Gabler, Jutta
- Gabor, Dennis, 1900-
- Gabor, Nikita
- Gabor, T. Shane
- Gaborit-Rezzouk, Michèle
- Gabr, Mohamed H.
- Gabremichael, Merid Nega
- Gabrey, Steven W
- Gabrié, Catherine
- Gabriel y Galán Moris, José María 1968-2020
- Gabriel, Alfred George, 1884-1968
- Gabriel, Charles John 1879-1963
- Gabriel, Chișamera
- Gabriel, E.N.
- Gabriel, Gabriella
- Gabriel, Georges François Marie, born 1775-
- Gabriel, Guido
- Gabriel, Herman W.
- Gabriel, Jane Eyre
- Gabriel, Kristin
- Gabriel, Monique Medeiros
- Gabriel, Ray
- Gabriel, Rosalina
- Gabriel, Vagner de Araujo
- Gabriel, Wendy L.
- Gabriel, Wilfried
- Gabriela Cuezzo, Maria
- Gabrielczak, Halyna
- Gabrielli, Antonio Carlos
- Gabrielli, Florencia
- Gabrielli, Magali
- Gabrielli, Mário Artur
- Gabriels, Wim
- Gabrielsen, Heidi
- Gabrielson, Ira Noel, 1889-1977
- Gabrielson, Paul W.
- Gabrion, Claude
- Gabriš, Radim
- Gabritschevsky, E
- Gabroshvili, Nino
- Gabryś, Grzegorz
- Gabuccini, Girolamo, 16th cent-
- Gabud, Roselyn
- Gachet, Sophie
- Gachoka, J M
- Gachuz-Bracamontes, Daniel
- Gacitua, Federico.
- Gacitúa, Santiago
- Gack, Claudia
- Gackowska, Joanna
- Gad, Adel M
- Gad, Johannes, 1842-1926
- Gadagkar, Raghavendra
- Gadagkar, Sudhindra R.
- Gadallah, Neveen
- Gadamer, Hermann Friedrich Rudolf Heinrich, 1818-1885
- Gadawski, Ted R.
- Gadd, C. H.
- Gadd, L
- Gaddi, Ana L.
- Gaddis, Philip K
- Gaddy, L L
- Gaddy, Megan
- Gade, Daniel W. 1936-
- Gade, Gerd
- Gäde, Heinrich Moritz, 1796-1834
- Gadea, E
- Gadea, Enrique
- Gadea.
- Gadeau de Kerville, Henri, 1858-1940
- Gadeceau, Émile 1845-1928
- Gadegaad Thomsen, Jacob
- Gadek, P
- Gadelha, Bárbara de Queiroz
- Gadelha, M. G. T.
- Gadelha, Sian de Souza
- Gadelha, Yve
- Gadella, T W J
- Gadgil, B A
- Gadgil, Madhav
- Gadhvi, I R
- Gadig, Otto Bismarck Fazzano
- Gadotti, CA
- Gadow, H
- Gadow, Hans, 1855-1928
- Gadsden-Esparza, Hector
- Gadsden-Esparza, Héctor
- Gadzikiewicz, Witold
- Gaede, Heinrich Moritz 1796-1834
- Gaede, Martin
- Gaede, Max
- Gaede, Peter A.
- Gaedike, Reinhard
- Gaekwad, F
- Gaertner, Joseph, 1732-1791
- Gaertner, Mirijam
- Gaeta, Juliana De Carvalho
- Gaeta, Marcos Letaif
- Gaeta, Salvador Airton
- Gaetani, Maurizio
- Gaetano, Frank W.
- Gaetano, Leandro
- Gaete, Diana
- Gaete, Erick
- Gaete, Hernán
- Gaete, Zenon V
- Gaetz, Leo. (Leonard), 1841-1907
- Gafar, Dian
- Gaff, Priscilla
- Gaffaroglu, Muhammet
- Gaffey, P M
- Gaffin, Douglas D
- Gaffky, Georg Theodor August, 1850-1918
- Gaffney, Eugene S.
- Gaffney, F
- Gaffney, Jeffrey S.
- Gaffney, Patrick M.