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- Mercy, T V Anna
- Merdan, Saudin
- Merder, Ivan Karlovich, 1832-1907
- Merdsoy, Bora
- Mereďa, Pavol
- Meredith, Benjamin,
- Meredith, Christy
- Meredith, De Witt.
- Meredith, Edwin Thomas, 1876-
- Meredith, G. N.
- Meredith, Greg
- Meredith, Gregory N.
- Meredith, Hazel
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- Meredith, Lewis B.
- Meredith, Louisa Anne, 1812-1895
- Meredith, Lyn
- Meredith, R.
- Meredith, Rex
- Meredith, S L
- Meredith, Steven Edward
- Meregalli, M
- Meregalli, Massimo
- Merejkowsky, M C
- Mereles H., M F
- Mereles, Fatima
- Mereles, Fátima
- Merendino, M T
- Merenlender, Adina M
- Merényi, Zsolt
- Mereschkowsky, Konstantin Sergejwitsch [c ]
- Merétika, Adriana Heindrickson Cunha
- Mereu, Giuliano
- Merewether, E M
- Merezhkovskiĭ, K. S. (Konstantin Sergeevich), 1855-1921
- Merfield, Charles James
- Merfield, Z A
- MERGEAI, Guy
- Mergeay, Joachim
- Mergen, Orhan
- Mergen, Patricia
- Mergulhão, Adália Cavalcanti do Espírito Santo
- Merhoff, L J
- Merial (Firm)
- Merian, Dorothea Maria Henriette, 1678-1745
- Merian, Maria Sibylla, 1647-1717
- Merian, Maria Sibylla.
- Merian, Matthaeus, 1593-1650
- Merian, Matthaeus, 1621-1687
- Merian, P
- Merian, Peter
- Méric, Jean-François, 1756-1816
- Mericas, Constantine E
- Merickel, F W
- Merickel, Frank W
- Mérida, J.
- Meriden Scientific Association.
- Meridian Farm.
- Meriem, Meliani Fethia
- Mérigot, J.
- Mériguet, Bruno
- Merila, Juha
- Merilainen, Jouko
- Merilees, William J.
- Meriles, José M
- Merillat, Louis A. (Louis Adolph), 1868-
- Meriluoto, Jussi
- Merino Cristobal, Laureano
- Merino, Ana
- Merino, Angel Penas
- Merino, Baltasar, 1845-1917
- Meriño, Beatriz
- Merino, Carlos
- Merino, José
- Merino, Luis
- Merino, Mariano
- Merino, Mariano L
- Merino, Mariano L
- Merino, Mariano L.
- Merino, Santiago
- Merino, V
- Merino-Sáinz, Izaskun
- Merino-Virgilio, Fany Del Carmen
- Merino-Viteri, Andrés
- Merit, Mccrea
- Meritt, Dennis A. Jr.
- Meriwether, J.
- Meriwether, J. D.
- Merizies, Archibald
- Merk, Reece
- Merkel Nursery.
- Merkel, E. P.
- Merkel, Eduard
- Merkel, F W
- Merkel, Friedrich, 1845-1919
- Merkens, Sabine
- Merker, Daniel
- Merker, Ernst
- Merkes, Christopher M.
- Merkieield, Fredeeic
- Merkins, M
- Merkl, M. E.
- Merkl, Ottó 1957-
- Merkle, D A
- Merkle, Donald A
- Merkley, John Wilburn, 1938-
- Merklinger, Felix F.
- Merkouropoulos, Georgios
- Merkulov, A
- Merkulova, Olga
- Merkus, Henricus (Leipzig)
- Merle D. Allen (Firm),
- Merle Payne Mum Gardens
- Merle, D
- Merle, Didier
- Merli, Marco
- Merli, S
- Merlin, M. (Philippe-Antoine), 1754-1838
- Merlino, B
- Merlino, Bruna
- Merlo, Carolina
- Merlo, Francis
- Merlo, Maria E.
- Merluzzi, Pierpaolo
- Mermet, C.
- Mermier, F
- Mermod, Claude
- Mermod, G
- Mermoz, Myriam Emilia
- Mermudes, José Ricardo Miras
- Mermut, A. R.
- Mero-Del-Valle David
- Meroi A, Facundo R
- Merona, Bernard de
- Mérona, Bernard de
- Meronka, Robert
- Merrell, Lewis C.
- Merrell, Orel M.
- Merrell, William Dayton
- Merrell-Soule Company (Syracuse, N.Y.)
- Merrem, Blasius, 1761-1824
- Merrett, M F
- Merrett, Nigel R
- Merrett, P J
- Merriam & Cairns Co.
- Merriam, Aileen 1932-
- Merriam, Augustus C
- Merriam, C. Hart (Clinton Hart), 1855-1942
- Merriam, Debbie
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- Merriam, Gray
- Merriam, H. G.
- Merriam, John C. (John Campbell), 1869-1945
- Merriam, Mervin M.
- Merrick, Amanda Dickson
- Merrick, J R
- Merrick, J. M.
- Merrick, William.
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- Merrifield, Kathy
- Merrifield, Mark
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- Merrilees, Duncan
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- Merrill, Amos Newlove.
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- Merrill, C. G.
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- Merrill, Dorothy.
- Merrill, Elmer D. (Elmer Drew), 1876-1956
- Merrill, Evelyn H.
- Merrill, F. A.
- Merrill, F. A. (Frederick Augustus), 1875-
- Merrill, Frank T., 1848-
- Merrill, G K
- Merrill, G P
- Merrill, G. L. Smith
- Merrill, G.K. (George Knox), 1864-1927
- Merrill, George P. (George Perkins), 1854-1929
- Merrill, Glen K.
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- Merrill, J. Warren (Joseph Warren), 1819-1889
- Merrill, James Andrew.
- Merrill, James C
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- Merrill, John L
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- Merrill, Laura Margareth.
- Merrill, M C
- Merrill, Richard W.
- Merrill, Samuel B.
- Merrill, Samuel, 1855-
- Merrill, Selah, 1837-1909
- Merrill, W. V.
- Merrill, William.
- Merrill, Willis O.
- Merrimac Valley Nurseries.
- Merrimack Farmers' Exchange, Inc.,
- Merriman Nurseries
- Merriman, Alan J
- Merriman, C C
- Merriman, D
- Merriman, Daniel
- Merriman, Ida
- Merriman, Irving H.
- Merriman, Jean A
- Merriman, John X
- Merriman, Kevin
- Merriman, Mabel L
- Merriman, Mansfield
- Merriman, R. Owen 1894-1935
- Merriman, S. N.
- Merrin, Joseph, 1820-1904
- Merrin, Joseph.
- Merrin, Kelly L.
- Merrion, H. Joseph.
- Merritt & Sorensen.
- Merritt, Anna Lea, 1844-1930
- Merritt, D J
- Merritt, David
- Merritt, Dixon Lanier, 1879-
- Merritt, Eugene, 1880-
- Merritt, Henry Clay, 1831-
- Merritt, Joanie M.
- Merritt, John W.
- Merritt, Joseph F.
- Merritt, Joseph S.
- Merritt, Joseph S., Jr.,
- Merritt, Joseph S., Sr.
- Merritt, Lavere B
- Merritt, Peter G
- Merritt, R W
- Merritt, Robert
- Merrivale Nurseries,
- Merrman, Jean A
- Merry Gardens,
- Merry Grass Nursery,
- Merry, Luis J. Ortiz
- Merry, Roger
- Merry, Thomas B.
- Merrymount Press.
- Merrys,
- Merscheid, Emil.
- Mershon, Wm. B. (William Butts), 1856-1943
- Mersing, W