- Amoroso, Ricardo O
- Amoroso, Steve
- Amoroso, Victor B.
- Amorosso, Steve
- Amorozo, Maria Christina de Mello, 1952-
- Amory, Cleveland
- Amory, Gertrude L.
- Amory, Robert, 1842-
- Amos Ragle (Firm)
- Amos, A J
- Amos, Amy
- Amos, Anthony F.,
- Amos, Arturo
- Amos, Nevil
- Amos, Robert Edward.
- Amos, Victoria
- Amos, William, -1824
- Amos-Mongiello, K.
- Amossé, Auguste.
- Amoureux, Louis
- Amouroux, Jean Michel
- Amp
- Ampai, Natee
- Ampeire, Sauyl
- Ampersee, Nicholas J
- Ampferer, Otto
- Amponsah, John Y
- Ampt, G A
- Ampt, Peter
- Ampuero, André
- Ampuero, Enrique, 1929-
- Amrani, N
- Amrhein, Valentin
- Amrine, James W.
- Amrithakumari, S.
- Amsberry, K
- Amschler, J. Wolfg. (Johann Wolfgang), 1893-1957
- Amsden, Thomas W
- Amsel, Hans-Georg, 1905-
- Amshoff, G J H
- Amshoff, Gerda Jane Hillegonda 1913-1985
- Amsler, Al,
- Amsler, Charles D.
- Amsler, Jessie,
- Amson, Eli.
- Amsterdam Natuurkundige Wetenschappen.
- Amstrup, Steven C.
- Amstutz, Erika
- Amstutz, J B
- Amtmann, E
- Amtsberg, H
- Amuchastegui, Andrea
- Amún, Cristian
- Amundin, Birgitta
- Amundin, Mats
- Amundsen, Roald, 1872-1928
- Amundson, Lauren M.
- Amutete, George
- Amy Hore (Firm)
- Amy, L
- Amy, Thomas.
- Amyot, C.-J.-B. (Charles Jean Baptiste), 1799-1866
- Amzi Godden Co.
- Amzi Godden Company.
- Amzi Godden Seed & Grain Company.
- Amzi Godden Seed Company.
- an guo xian qi zhou ren ming gong she shen nong yao cai chang 安国县祁州人民公社神农药材场
- An old fancier.
- An, Changting
- An, Hua-Ming
- An, Jiandong
- An, Jianmei.
- An, Jing
- An, Le Thanh
- An, Li-Zhe
- An, Mengya
- An, Ming-Tai
- An, Yi-Feng
- An, Yiyan
- Ana Manjarrés-Hernández., Ana
- Anabalón, Leonardo
- Anable, Henry Sheldon 1815-1887
- Anacker, Brian L
- Anaclerio, Matteo
- Anacleto, André
- Anacleto, Maria Jose Pinheiro
- Anacleto, Teresa Cristina
- Anada, N
- Anadón, Araceli
- Anadón, José D.
- Anadón, Nuria
- Anagnostakis, Sandra L
- Anaid-Díaz, Silvia
- Anaite, Gabriela
- Anaji, Abdullah
- Analy Nurseries.
- Anand, M O
- Anand, R K
- Ananʹeva, N. B.
- Ananian-Cooper, Barry J
- Ananiashvili, Ana
- Ananiev, Ivaylo
- Anantanarayanan, K P
- Anantaraman, Sita
- Ananthakrishnan, R
- Ananthakrishnan, Taracad Narayanan
- Ananthanarayanan, K P
- Ananthanarayanan, Sankar
- Ananthasubramanian, K S
- Anan-Yorke, Rowland.
- Anardarko Petroleum Company.
- Anardjuak, B.
- Anastacio, Pedro
- Anastasi, Anne 1908-2001
- Anastasi, Peter A.
- Anastasia, Guiseppe Emilio
- Anastasion, Steven N.
- Anastasiou, C J
- Anastasiu, Paulina
- Anastassiu, Hristos T
- Anastos, George
- Anatomical Society of Great Britain and Ireland.
- Anatomische Gesellschaft.
- Anatomy, I Gross
- Anaya, Ana Luisa
- Anaya, Christina
- Anaya, M.
- Anaya, S
- Anaya-Rojas, Jaime M.
- Anaya-Rosales, Socorro
- Anazawa, Tathiane M
- Ancalaf, Andrea
- Ancey, C. F. (César Félix), 1860-1906
- Ancheyta, Jorge
- Anchorage Audubon Society.
- Anchultz, E. P. (Edward Pollock) 1846-
- Anciães, Marina
- Ancibor, Elena
- Ancillotto, Leonardo
- Ancona, N
- Ancona, Nicoletta
- Anctil, Michel, 1945-
- And Storr, G M
- Andal, N
- Andaloro, J T
- Andama, Kennedy
- Andary, C
- Ande, A Taiwo
- Anđelka, Plenković-Moraj
- Anđelković, Ana
- Andelt, William F
- Andena, Sergio Ricardo
- Ander, Kjell
- Anderberg, Arne A.
- Anderbrant, Olle
- Anderlind, Ottmar Victor Leo
- Anderlini, Victor G.
- Anderloni, Faustino, 1766-1847
- Anders, Angela D
- Anders, Edward, 1926-
- Anders, G.
- Anders, J. M. (James Meschter), 1854-1936
- Anders, Josef, 1863-1936
- Anders, O.
- Andersch bros., Minneapolis, Minn.
- Andersch, Louis.
- Andersen Evergreen Nursery,
- Andersen, A.
- Andersen, Alan
- Andersen, Alan N
- Andersen, Bent B
- Andersen, Brett R.
- Andersen, C Y
- Andersen, David E
- Andersen, Emma N
- Andersen, Erling
- Andersen, Ferron L
- Andersen, Hally M
- Andersen, Harry E
- Andersen, Heidi Lie.
- Andersen, Henry S.
- Andersen, Jeremy
- Andersen, Johannes C. (Johannes Carl), 1873-1962
- Andersen, Knud, 1867-1918
- Andersen, L. C.
- Andersen, M.
- Andersen, Nils Møller, 1940-2004
- Andersen, Phyllis
- Andersen, R. J.
- Andersen, R. N.
- Andersen, S. O.
- Andersen, Stig
- Andersen, Tom
- Andersen, Trond, 1946-
- Andersen, William A.
- Andersen, William R
- Andersen, Y. E.
- Andersen's Dahlia Farm.
- Andersen'S Evergreen Nursery.
- Andersen'S Nursery,
- Anderson Bros.
- Anderson Floral Company.
- Anderson Galleries, Inc.
- Anderson Nursery (Firm),
- Anderson Seed Co.
- Anderson, A. C.
- Anderson, A. J.
- Anderson, A. M.
- Anderson, A. R. S.
- Anderson, Adam, 1692?-1765
- Anderson, Alan H.
- Anderson, Alexander P
- Anderson, Alexander, 1775-1870
- Anderson, Allan B.
- Anderson, Andrew P. (Andrew Peter), 1877-
- Anderson, Andrew, 1789-1839
- Anderson, Andrew.
- Anderson, Ann M
- Anderson, Anne-Marie, 1952-
- Anderson, Anthony B.
- Anderson, Arthur M.
- Anderson, Atholl J
- Anderson, Barrett
- Anderson, Barry, 1935-
- Anderson, Benjamin P.
- Anderson, Bertil Gottfrid
- Anderson, Bertin W
- Anderson, Brian D.
- Anderson, Bruce H
- Anderson, Burton R
- Anderson, C. E.
- Anderson, C. Graham.
- Anderson, C. M.
- Anderson, C. W. (Clarence William), 1891-1971
- Anderson, Cameron Gordon, 1904-
- Anderson, Carl Henry Jr.
- Anderson, Carl K.
- Anderson, Carl.
- Anderson, Caroline J.
- Anderson, Charles L. (Charles Lewis), 1827-1910
- Anderson, Charles S. (Charles Sydney), 1954-
- Anderson, Charles S. (Charles Sydney), (Charles Sydney), 1954-
- Anderson, Charles Wilgress.
- Anderson, Charles, 1876-1944
- Anderson, Chris D.
- Anderson, Christiane
- Anderson, Christine Minton.
- Anderson, Christine S.
- Anderson, Christopher B.
- Anderson, Clinton Presba, 1895-