- B. & B. Dahlia Gardens (Port Huron, Mich.)
- B. and A. Norley (Firm)
- B. and J. White.
- B. Halsey Spencer (Firm)
- B. Hammond Tracy, Inc.
- B. Irving Rouse (Firm)
- B. Keith & Co.
- B. King (Firm)
- B. M. [i.e. R. Bentley and M. Magnes]
- B. M. Jessop, B. M.
- B. Miller Co.,
- B. Sousa, Fabricio
- B. Westermann & Co.
- B. White and Son.
- B. White and Sons
- B., G. H.
- B., J
- B., L C
- B., R
- B., R N
- B., R. E. lithographer
- B., Review By: R E
- B., S H
- B., W. H.
- B.A. Bohuslav & Son.
- B.A. Elliott Company.
- B.B. Kirkland Seed Co.
- B.B. Kirkland Seed Co.
- B.B. Mussey and Company,
- B.C. Breitkopf und Sohn,
- B.C. Kinley & Son.
- B.C. Orchard Lands.
- B.D. Shedaker & Son.
- B.D. Shedaker (Firm)
- B.E. & J.T. Cokely (Firm)
- B.E. & J.T. Cokely.
- B.E. Fields & Son.
- B.E. Miller Seed Co.
- B.E. Shue (Nursery),
- B.E. Williams Floral and Nursery,
- B.F. Adams Company.
- B.F. Barr & Company.
- B.F. Barr & Son.
- B.F. Barr Nurseries.
- B.F. Messick & Son.
- B.F. Metcalf & Son, Inc.
- B.F. Pierce (Firm)
- B.F. Smith (Firm)
- B.F. Till (Firm)
- B.G. Pratt Company.
- B.H. Blackwell Ltd.
- B.H. Strong (Firm)
- B.K. Bliss & Sons.
- B.K. Bliss (Firm)
- B.K. Matlack (Firm)
- B.L. Adams (Firm)
- B.L. Bragg Company.
- B.L. Moss (Firm)
- B.L. Winsel (Firm)
- B.L. Yokley (Firm),
- B.M. & M.E. Latham
- B.M. & M.E. Latham & Son.
- B.M. Watson (Firm)
- B.N. Strong and Co.
- B.O. Case & Sons.
- B.R. Amend (Firm)
- B.R. Leach (Firm)
- B.T. Hoyt (Firm)
- B.W. Stone & Co.
- B.W. Stone (Firm)
- Bâ, Cheick Tidiane
- Ba, Khalilou
- Baad, Michael F.
- Baada, Ingrid A
- Baake Nursery.
- Baalde, Steven Jacobus (Amsterdam)
- Baal-Makhshoves, 1873-1924
- Ba-Angood, S A
- Baar, Henryk
- Baar, Mde
- Baar, R.
- Baarli, B. Gudveig, 1951-
- Baars, M. A.
- Baars, W.
- Baas Becking, L. G. M. 1895-1963
- Baas, Pieter
- Baasanmunkh, Shukherdorj
- Baayens, Dean M.
- Baaziz, Nacera Bouchibi
- Baaziz, Nasser
- Baba El Din, Mindy
- Baba El Din, Sherrif
- Baba, Abdul-Salam Mahamud
- Baba, H
- Bába, Károly 1935-2007
- Baba, Keiji, 1939-
- Baba, Kikutarō, 1905-2001
- Baba, M.
- Baba, M. M.
- Baba, Masasuke.
- Baba, Shoji A
- Baba, V.
- Baba, Yoshichika
- Babaeian, Esmaeil
- Babai, Dániel
- Babakhanlou, Parviz.
- Babaluk, John A.
- Baba-Moussa, F
- Babata, Micaela L. Y.
- Babault, Guy.
- Babb, Ivar.
- Babbitt, Caitlin
- Babbitt, Elizabeth
- Babbitt, Isaac, 1799-1862
- Babbitt, Kimberly J.
- Babbitt, Ronald E.
- Babbitt, Shirley Dare,
- Babboni, S. D.
- Babcock & Nash.
- Babcock & Wilcox Company
- Babcock & Zerfass.
- Babcock Peony Gardens.
- Babcock, C. E.
- Babcock, C. J. (Clarence Joseph), 1894-
- Babcock, Christopher A
- Babcock, Daniel W.
- Babcock, E. B. (Ernest Brown), 1877-1954
- Babcock, F. Ray (Frank Ray), 1882-
- Babcock, G. B.
- Babcock, Harmon Seeley, 1849-1937
- Babcock, Harold Delos, 1882-
- Babcock, Harold L. (Harold Lester), 1886-1953
- Babcock, John Pease, 1855-1936
- Babcock, Jonathan M.
- Babcock, Keith W
- Babcock, Leander
- Babcock, Loren
- Babcock, Loren E.
- Babcock, Louis L.
- Babcock, O. G.
- Babcock, Russell C., 1958-
- Babcock, William C.
- Babcock, William F.
- Babcock, William Henry, 1849-1922
- Babcock, William Wayne, 1872-1963
- Babel, William
- Babenko, Anatoly
- Baber, B. B.
- Babero, Bert B
- Babes, Victor, 1854-1926
- Babić, Krunoslav, 1875-1953
- Babiec, Daniel F
- Babik, Hania
- Babik, Wieslaw
- Babin, Claude
- Babinchak, John A
- Babinec, Francisco J.
- Babington, Anna Maria.
- Babington, Charles Cardale, 1808-1895
- Babington, Churchill, 1821-1889
- Babini, María Selene
- Babińska-Werka, Joanna
- Babitz, Mindy
- Babiy, P. P.
- Babkin, B. P.
- Bäbler, Emil.
- Baboli Moakher, Hamid
- Baboneau, Noël Blake, 1884-1920
- Babor, J. F. (Josef Florián), 1872-1951
- Babot, María del Pilar
- Babouillard, Mr.
- Babrakzai, Noorullah.
- Babson, William Arthur.
- Babu, B. Suri.
- Babu, C. R.
- Babu, G. Jaya
- Babu, K. K. Subhash
- Babu, K. Sasira
- Babu, M. Ramesh
- Babu, S.
- Babu, S. Jayadev.
- Babu, Subash.
- Babuchin, Aleksandr Ivanovich, 1835-1891
- Babuka, S J
- Babutina, Kira A
- Baby Blue Spruce Gardens.
- Baby Redwood Nursery,
- Babylon Dahlia Gardens.
- Babylon Nursery.
- Baca, Stephen
- Bacalhau de Oliveira, Isabela.
- Bacallado, Juan José, 1939-
- Bacarin, M. A.
- Bacca, Tito
- Baccam, Doanh
- Baccar, H.
- Baccarini, Pasquale, 1858-1919
- Baccaro, Fabricio Beggiato
- Baccetti, Baccio
- Baccetti, Nicola
- Bacchetta, Gianluigi
- Bacchetta, Renato
- Bacchi della Lega, Alberto, 1848-1924
- Bacchi, Márcio A.
- Bacchus, M. E. (Michael Edward)
- Bacchus, Solomon.
- Bacci, Denise S.
- Bacci, G
- Bacci, Mauricio.
- Baccus, John T.
- Bacelar, A
- Bacelar-Lima, Christinny Giselly
- Bacela-Spychalska, Karolina
- BACER Program (U.S.)
- Bacescu, Mihai
- Bach de Rocha, Carmen.
- Bach, Christine S
- Bach, F. W.
- Bach, Hernán G
- Bach, Michael
- Bach, Rike
- Bach, Walter J. (Walter Johnston), 1899-
- Bach, Wolfgang
- Bacha, M. S.
- Bachand, M.
- Bache, A. D. (Alexander Dallas), 1806-1867
- Bache, R. Meade
- Bacheler, Jack S
- Bacheler, Jack Stangl, 1943-
- Bachen, Daniel A.
- Bacher, J. G.
- Bacher, Sven
- Bachion, M. A.
- Bächler, Erich
- Bächli, Gerhard
- Bächli, Gerhard, 1937-
- Bachmaier, Franz
- Bachman, C. L.
- Bachman, John, 1790-1874
- Bachman, Jon M.
- Bachman, Robert J.
- Bachman, Steven
- Bachman, V. C.
- Bachmann, Anna
- Bachmann, Axel Oscar 1927-2017
- Bachmann, Freda M.
- Bachmann, Friedrich.
- Bachmann, G.
- Bachmann, Guillermo
- Bachmann, Hans, 1866-