- Aukeman, Mark.
- Auko, Tiago H.
- Auko, Tiago Henrique
- Aukštikalnienė, Rasa
- Aulagnier, Stéphane
- Aular, Luis
- Auld, Bruce A
- Auld, Josh R
- Auld, Robert Campbell MacCombie, 1857-
- Auld, Samuel James Mason, 1884-
- Auld, Tony
- Auld, Tony D
- Aulenbach, Barbara B.
- Auler, M. E.
- Aulet, O.
- Auletta, Anthony
- Aulik, David
- Auliya, Mark
- Aulmann, Georg, 1884-1935
- Aulne Nursery (Aulne, Kan.)
- Ault, Steven J
- Ault, Steven K
- Ault, Wayne U
- Aumaitre, M. P. (Marie-Paule)
- Aumann, T
- Aumchantr, Saman.
- Aumen, Nicholas
- Aumiller, Larry
- Aumonde, Tiago Zanatta
- Aumont, Olivier
- Aún, Elizabet.
- Aun, Maria Liliana.
- Aunant, Johann.
- Aune, Beyer.
- Aune, Keith, 1954-
- Aung, Aye Ko
- Aung, Aye Thida
- Aung, Khin Pyae Pyae
- Aung, Louis H
- Aung, M. M.
- Aung, Mu Mu
- Aung, Mung Htoi
- Aung, Sein Lai Lai
- Aung, Ye Lwin
- Aunt Mary's Sweet Corn Farm.
- Aunt Pat (Firm)
- Aupalee, Kittipat
- Auracher, T. M.
- Aurambout, Jean-Philippe
- Aure, Antoine d', 1799-1863
- Aureli, Ludovico, 1592-1637
- Aurelian, Virgiliu M
- Aurell, August, 1799-1876
- Aurelle, Didier
- Aurich, Ch
- Aurioles, David.
- Aurivillius, Carl Wilhelm Samuel, 1854-1899
- Aurivillius, Chr. (Christopher), 1853-1928
- Aurivillius, Per Olof Christopher, 1853-
- Auroi, Charles.
- Aurora Nurseries.
- Aurora Nursery Company.
- Aurousseau, M
- Aurousseau, Marcel
- Ausable Valley Farm,
- Auscher, F
- Ausden, M J
- Ausich, William I
- Ausio, Juan
- Ausländer, D
- Aussem, Bernd
- Ausserer, Anton
- Ausset Salgado, Marcelo
- Austaut, Jules Léon.
- Austen (Engraver)
- Austen, E. E. (Ernest Edward), 1867-1938
- Austen, Harry.
- Austen, Madeline J. W.
- Austen, N. Lawrence (Nathaniel Lawrence), 1847-1874
- Austen, Winifred 1876-1964
- Austen-Leigh, James Edward, 1798-1874
- Auster, Peter J.
- Austin & Nicholson Bros.
- Austin Nurseries (Austin, Ark.)
- Austin Nursery.
- Austin Trial Grounds.
- Austin, A. B.
- Austin, A. D. (Andrew D.)
- Austin, A. H.
- Austin, A. H., Mrs.
- Austin, Anna T.
- Austin, Annette,
- Austin, Benjamin W.
- Austin, C R
- Austin, C.
- Austin, C. R. (Colin Russell), 1914-2004
- Austin, Christine M
- Austin, Christopher
- Austin, Christopher M
- Austin, Claudia J
- Austin, Coe F. (Coe Finch), 1831-1880
- Austin, Daniel F
- Austin, Dennis D
- Austin, E. P.
- Austin, Edward Payson.
- Austin, Ernest G.
- Austin, F. W. G.
- Austin, George M
- Austin, George T.
- Austin, Gladys.
- Austin, Hannah C
- Austin, Henry Haversham Godwin
- Austin, Herbert M
- Austin, J. J.
- Austin, James D.
- Austin, Jane E
- Austin, Jean
- Austin, Jeremy J.
- Austin, John W.
- Austin, Kenneth, 1882-
- Austin, Kyhl
- Austin, L. W.
- Austin, Lloyd
- Austin, Lloyd James.
- Austin, Margaret
- Austin, Marshall Harlan.
- Austin, Mary Hunter, 1868-1934
- Austin, Matthew A.
- Austin, Meaghan
- Austin, Mike P
- Austin, Oliver Luther, 1903-1988
- Austin, R. A.
- Austin, Rebecca Merritt Smith, 1832-1919
- Austin, Rich
- Austin, Rita M.
- Austin, Ronald L
- Austin, Ronald Leyshon
- Austin, S.
- Austin, Thomas Phillips 1847-1937
- Austin, Thomas S.
- Austin, Thomas, 1794-1881
- Austin, William C.
- Austin-Coleman Company.
- Austing, G. Ronald
- Austin's Oak Valley Nursery.
- Austin-Smith, Peter J.
- Australasian Antarctic Expedition (1911-1914)
- Australasian Association for the Advancement of Science.
- Australasian Conference on Radiobiology University of Melbourne) 1958-
- Australasian Native Orchid Society
- Australasian Ornithologists' Union.
- Australasian Plant Conservation
- Australia
- Australia. Bureau of Flora and Fauna
- Australia. Bureau of Flora and Fauna.
- Australia. Bureau of Mineral Resources, Geology and Geophysics
- Australia. Department of Health,
- Australia. Department of the Interior
- Australia. Department of the Northern Territory. Animal Industry and Agriculture Branch.
- Australia. Department of Trade and Customs.
- Australia. Dept. of External Affairs.
- Australia. Director of Fisheries.
- Australia. Environment Australia
- Australia. Minister of State for External Affairs
- Australian Academy of Science.
- Australian Biological Resources Study
- Australian Broadcasting Commission.
- Australian Entomological Society.
- Australian Expedition (1921-1922)
- Australian Garden History Society
- Australian Institute of Anatomical Research (Melbourne, Australia)
- Australian Institute Of Anatomical Research.
- Australian Institute Of Anatomy,
- Australian Institute of Marine Science.
- Australian Marine Sciences Association. Northern Territory Branch
- Australian Museum
- Australian National Botanic Gardens.
- Australian National Insect Collection
- Australian National Parks and Wildlife Service
- Australian Naturalists' Society.
- Australian Network for Plant Conservation.
- Australian Radiation Society.
- Australian Society of Herpetologists
- Australian Systematic Botany Society
- Australia's Wildlife Heritage
- Austrich, Ailin
- Austrich, Ricardo R.
- Ausubel, Jesse H
- Auten, Benjamin C.
- Auten, John T., 1887-
- Autenreith, Johann Heinrich Ferdinand, praeses, 1772-1835
- Auteur (voor de, -)
- Auteurs, Index Des
- Auth, David L
- Autino, Analía G.
- Autocrat Dahlia Gardens.
- Autran, Eugène, 1855-1912
- Autret, Yannick
- Autto, Jonna
- Auvergne, Alexis, 1817-1901
- Auxiliadora, M
- Auyang, Tang Shih-Chen
- Auychinda, Chonlakran
- Auzat
- Auzout, Adrien, 1622-1691
- Avaca, María S
- Avaca, MS.
- Avakian, Anne M. (Annie M.), 1906-
- Avalos, Gilberto.
- Avalos-Borja, M
- Avanci, Marion R. F.
- Avancini, RMP.
- Avanza, María M.
- Avanzo, V. C.
- Avargues, Naïs
- Avaria, Sergio
- Avaria-Llautureo Jorge
- Avasthi, Rajendra Kumar
- Avasthi, Shristhi
- Avci, Aziz
- Avcin, Matthew J.,
- Avdall, Johannes
- Aveiro, Sílvia M. de Godoy
- Avé-Lallemant, Julius Leopold Eduard, 1803-1867
- Avé-Lallemant, Robert, 1812-1884
- Avelar, AA.
- Avelar, Daniela L. Guimarães de
- Avelar, Javier
- Avelar, LH.
- Avelar, W. E. P. (Wagner Eustáquio Paiva)
- Avelar-González Francisco Javier
- Aveldaño, MI
- Aveledo Hostos, Ramón.
- Aveling, Edward B., 1849-1898
- Avelino Capistrano da Silva, Fernanda
- Avelino, Marcelo Thiago Lima
- Avella, Maurizio
- Avella, T.
- Avellan, Nils 1749-1780
- Avellanal, Maria H.
- Avendaño Reyes, Sergio
- Avendaño, Javier
- Avendaño, José
- Avendaño, Miguel
- Avendaño-Arrazate, C
- Avendaño-C., Jorge Enrique.
- Avendaño-Casadiego, Karina
- Avendaño-Herrera Rubén E.
- Avendaño-Herrera, Rubén E.
- Avendaño-Reyes, L