- Martins, PFRB.
- Martins, R P
- Martins, R. P.
- Martins, R. T.
- Martins, Rafael Andrada De Araújo
- Martins, Raquel Rennó Mascarenhas
- Martins, Renata Corrêa
- Martins, Renato T.
- Martins, Renato Tavares
- Martins, Ricardo
- Martins, Ricardo S
- Martins, Rod
- Martins, Rodney
- Martins, Rodrigo Lemes
- Martins, Rodrigo Silvestre
- Martins, Rogélia
- Martins, Rogério
- Martins, Rogerio P
- Martins, Rogério P.
- Martins, Rogério Parentoni
- Martins, Rosana
- Martins, RP
- Martins, RP.
- Martins, RT
- Martins, RT.
- Martins, Salise
- Martins, SCV.
- Martins, Sebastião V.
- Martins, Sebastião Venâncio
- Martins, Sebatião Venâncio
- Martins, Sergio
- Martins, Sérgio Soares
- Martins, Shirley
- Martins, Sidnei Terezinha S
- Martins, Susian Christian
- Martins, Suzana Ehlin
- Martins, Suzana M. de A.
- Martins, Suzana Maria de Azevedo
- Martins, T
- Martins, T. G.
- Martins, Tayná O.
- Martins, Tayná Oliveira
- Martins, Thais De Oliveira
- Martins, Thaís P.
- Martins, U R
- Martins, Ubirajara
- Martins, Ubirajara R
- Martins, Ubirajara R
- Martins, Ubirajara R.
- Martins, Ubirajara Ribeiro
- Martins, Valéria Forni
- Martins, Vanessa
- Martins, Vera Lúcia C
- Martins, Virginia
- Martins, Wagner
- Martins, Walter F. S.
- Martins, Wilson Ramos
- Martin-Sanchez, Pedro M.
- Martins-Da-Silva, Regina Célia Viana
- Martinsen, David L
- Martinsen, Gregory D
- Martins-Garcia, Tatiane
- Martins-Hatano F.
- Martins-Hatano, Fernanda
- Martins-Junior H.
- Martins-Júnior, A
- Martins-Juras, Ilídia da Ascenção Garrido
- Martin-Solano, Sarah
- Martinson, C
- Martinson, Douglas G., 1953-
- Martinson, Ellen O.
- Martinson, Frederick K.
- Martinson, John
- Martinson, Sharon J.
- Martinson, Vincent G.
- Martins-Pinheiro, Ronaldo F.
- Martins-Pinheiro, Ronaldo Fernando
- Martins-Queiroz, Mirian F.
- Martins-Santos, I
- Martins-Santos, IC.
- Martins-Santos, Isabel
- Martins-Santos, Isabel C.
- Martins-Santos, Isabel Cristina
- Martins-Silva, Maria Julia
- Martinsson, Svante
- Martín-Stella, M
- Martinsville Nurseries.
- Martín-Vega, Daniel
- Martirosyan, A
- Martirosyan, Yury
- Martischang, Michael F.,
- Martison, Brett
- Martius (Professor)
- Martius, Ch
- Martius, Christopher
- Martius, Ernst Wilhelm, 1756-1849
- Martius, Heinrich von, 1781-1831
- Martius, Jeremias, 1585
- Martius, Karl Friedrich Philipp von, 1794-1868
- Martius, Theodor Wilhelm Christian.
- Martiмѓnez, Viмѓctor, herpetologist.
- Martmez, A
- Martner, Daniel
- Martnez, A
- Martnez, I M
- Martnez, M I
- Martȳnov, Ǐvan Ǐvanovīch.
- Marto, Vanilcia Clementino de Oliveira
- Marton, K
- Mártonffy, András
- Mártonfi, Pavol
- Martoni, Francesco
- Martorano, Joseph J
- Martorell, Carlos
- Martorell, L F
- Martorelli, G
- Martorelli, Giacinto.
- Martorelli, Sergio R
- Martorelli, Sergio R.
- Martorelli, Sergio Roberto
- Martori, Ricardo
- Martori, Ricardo A.
- Martos, Florent
- Martos, Patricia
- Martos-Martins, Rafael
- Martrin-Donos, Victor de, 1801?-1870
- Marttala, Vernon M
- Martuscelli, Paulo
- Martvoňová, Martina
- Marty Schafer
- Marty, Christian
- Marty, Jérôme
- Marty, Karl L
- Marty, Pascal
- Marty, Robert Jay, 1931-
- Martyn, John, 1699-1768
- Martyn, John, active 1649-1680
- Martyn, Thomas
- Martyn, Thomas, 1735-1825
- Martyn, Thomas, active 1760-1816
- Martynenko, Nikita
- Martyniuk, John
- Martynov, A B
- Martynov, A. V. (Andreĭ, Vasīlʹevīch) 1879-1938
- Martynov, Alexander
- Martynov, Alexander V.
- Martynov, Ivan Ivanovich, 1771-1833
- Martynova, Kateryna
- Martynova, Marina G
- Martynova, O M
- Martynow, A
- Marty's Glad Patch.
- Martys, Michael F
- Maruca, Gina
- Marucci, Patricia L
- Marucci, Rosangela C.
- Marucci, Rosangela Cristina
- Maruch, Sandra Maria das Graças
- Maruenda, Helena
- Maruf, M.
- Marugán-Lobón, Jesús,
- Marugg, Wm. W.
- Marull, Carolina
- Marullo, Rita
- Maruly, Adhy
- Maruo, H. (Hajime), 1922-
- Maruoka, Adrianny Erika
- Maruri-Aguilar, Beatriz
- Marushchak, Oleksii
- Marushchak, Oleksiy
- Marusik, Yuri M.
- Marutsova, Vania
- Maruyama, Adriano
- Maruyama, Ichiro
- Maruyama, Koscak
- Maruyama, Munetoshi
- Maruyama, Ōkyo, 1733-1795
- Maruyama, Pietro Kiyoshi
- Maruyama, Satoshi
- Maruyama, T
- Maruyama, Tadashi
- Maruyama, Tomoaki
- Maruyama, Y K
- Maruyama, Yoshihiko K
- Marval, Louis de
- Marvaldi, A E
- Marvaldi, A.E.
- Marvaldi, Adriana E
- Marvaldi, Adriana E.
- Marvanoá, L
- Marvanová, L
- Marvanová, L
- Marvel, C. S.
- Marvell, Andrew, 1621-1678
- Marvin, Arthur Tappan.
- Marvin, Charles F. (Charles Frederick), 1858-1943
- Marvin, Charles.
- Marvin, Francis Sydney, 1863-1943
- Marvin, O. F.
- Marwick, B E N
- Marwick, J
- Marx Schaefer (Firm)
- Marx, Charles David, 1857-1939
- Marx, David.
- Marx, Edward J. F.
- Marx, F.
- Marx, F. J.
- Marx, Friedhelm
- Marx, George, 1838-1895
- Marx, Hymen
- Marx, K. F. H. (Karl Friedrich Heinrich), 1796-1877
- Marx, Karl
- Marx, Michael
- Marx, Michael T
- Marx, Paul S
- Marx, Tennis.
- Marx, Walter
- Marxen, J C
- Marxmüller, H
- Mary A. Scott (Firm)
- Mary Baird Bond Flower Gardens.
- Mary E. Cutler (Firm)
- Mary Louise Hawkins (Firm)
- Mary M. Stump (Firm)
- Mary O. Blackburn (Nursery),
- Mary, A
- Mary, Benj.
- Mary, Didier
- Mary, Nathalie
- Maryan, Brad 1966-
- Maryandto, I
- Maryańska-Nadachowska, Anna
- Maryant, Brad
- Maryanto, I
- Maryanto, Ibnu, 1962-
- Maryland Academy of Science and Literature.
- Maryland Academy of Sciences
- Maryland Academy of Sciences.
- Maryland Agricultural Experiment Station
- Maryland Dahlia Gardens.
- Maryland Entomological Society.
- Maryland Geological Survey.
- Maryland Herpetological Society.
- Maryland Historical Society.
- Maryland Native Plant Society
- Maryland Nursery Company.
- Maryland Nut Nurseries.
- Maryland Ornithological Society.
- Maryland State Weather Service.
- Maryland.