- Lenz, Alfred C
- Lenz, Alfred C., 1929-
- Lenz, Dominik
- Lenz, Fr
- Lenz, Friedrich
- Lenz, Fritz, 1887-1976
- Lenz, H
- Lenz, H.
- Lenz, Harald Othmar, 1799-1870
- Lenz, Heinrich
- Lenz, Heinz
- Lenz, L Wayne
- Lenz, Lee W.
- Lenz, Lee Wayne
- Lenz, Maria I.
- Lenz, Martin
- Lenz, Martin J
- Lenz, Michael
- Lenz, P A
- Lenz, P H
- Lenz, Rodolfo
- Lenz, TM.
- Lenza, Benedetto
- Lenza, Eddie
- Lenzewski, Nikola
- Lenzi, Maurício
- Lenzner, Bernd
- Lenzycki, J H
- Leo C. Vallenthime (Firm)
- Leo E. Miller (Firm)
- Leo H. Graves And Sons
- Leo J. Egelberg (Firm)
- Leo Schrakamp's Nurseries,
- Leo Weltz's Sons.
- Leo, Dennis
- Leo, L M
- Leo, P
- Leo, Richard F.
- Leo, Sandy
- Leobardo Pérez, Luis
- Leocádio, Michele
- Leomil, Luciana
- León Abad, Néstor
- León Arencibia, María Catalina
- Leon Contrera, Felipe Andrés
- León de la Luz, José Luis.
- León E., B L
- León Enríquez, Bernardino
- León Incio, Julio
- León Pinelo, Antonio de, 1590 or 1591-1660
- León Rivera, Ismael
- León Torres, Carlos Alberto
- León, hermano, 1871-
- León, Ángela Viviana Joven
- León, B
- Leon, Blanca
- León, Blanca.
- Léon, Brother
- León, Carla
- León, Carolina A.
- León, Cristina
- León, Cuauhtémoc
- Leon, Diana Cristina Sinuco
- Leon, Elaine P.
- León, J R
- León, Jacinto de,
- Leon, Jorge
- León, Jorge
- León, Luis G., nacimiento 1866-
- Léon, M Isidore
- León, Maela
- León, María Eugenia
- Leon, Mario F.
- Leon, N.
- León, Nicolás, 1859-1929
- León, Pablo Franco
- León, Renata
- León, Rolando J
- León, Rolando JC
- León, Vanina
- León, Vicki.
- León-Altamirano, Liliana
- León-Álvarez, Daniel
- Leonard & Weber.
- Leonard C. Larson (Nursery)
- Leonard Coates Nurseries, Incorporated
- Leonard Coates Nurseries.
- Leonard Coates Nursery Co.
- Leonard Howard (Firm)
- Leonard Seed Co.
- Leonard Seed Company.
- Leonard W. Barkley (Firm)
- Leonard W. Butt (Firm),
- Leonard,
- Leonard, A Byron
- Leonard, A. Byron (Arthur Byron), 1904-
- Leonard, Alexander B
- Leonard, Alice E.
- Leonard, Andrea
- Leonard, Anna B.
- Leonard, Anne
- Leonard, Arthur Glyn.
- Leonard, C N
- Leonard, C. Henri (Charles Henri), 1850-1925
- Leonard, Charles Lester
- Leonard, D.S.
- Leonard, Davbid E
- Leonard, David E
- Leonard, David L
- Leonard, E C
- Leonard, Emery C.
- Léonard, Frédéric,
- Leonard, G S
- Leonard, I.
- Leonard, J
- Leonard, J L
- Leonard, J. L.
- Leonard, Janet L
- Leonard, John W., Jr.
- Leonard, Jonathan G
- Leonard, L. W. (Levi Washburn), 1790-1864
- Leonard, Leona (Leona M.)
- Leonard, M
- Leonard, Michelle R
- Leonard, Mortimer Demarest, 1890-
- Leonard, O. A. (Oliver A.)
- Leonard, O. A. (Oliver Andrew), 1911-1975
- Leonard, Pat
- Leonard, Patrick
- Leonard, Peter
- Leonard, R E
- Leonard, R L
- Leonard, R. E.
- Leonard, Richard D.
- Leonard, S. F.
- Leonard, Simeon F.
- Leonard, Stephen G.
- Leonard, Steve (Stephen G.)
- Leonard, Steve W
- Leonard, Steven
- Leonard, Steven W
- Leonard, Steven W.
- Leonard, Tina D.
- Leonard, Vernon Kenneth, Jr.
- Leonard, W J
- Leonard, Wendy J
- Leonard, William R
- Leonard, Yolanda L
- Leonardi, C
- Leonardi, Carlo
- Leonardi, G
- Leonardi, Giovanni
- Leonardi, Giuseppe
- Leonardi, Gustavo, 1869-1918
- Leonardi, L
- Leonardi, Lorinda
- Leonardi, M. Soledad
- Leonardi, Maritza
- Leonardi, Monica
- Leonardi, Patricia
- Leonardi, Patricia I.
- Leonardo dos Santos,
- Leonardo Mioto, Camila
- Leonardo, da Vinci, 1452-1519
- Leonardo, Francisco Santos
- Leonard's Seeds.
- Leonarduzzi, Giulia
- León-Avendaño, Hugo
- León-Avila, Gloria
- León-Borges, José Antonio
- León-Cortés, Jorge
- León-Cortés, Jorge L.
- Leone Gold, Maria Eugenia.
- Leone, Aurora.
- Leone, Charles A
- Leone, Donald E
- Leone, E Austin
- Leone, IC
- Leone, Isabela Carnielli
- Leone, J
- Leone, Luciano Gerolim
- Leone, María F
- León-E, Roberto J.
- Leonel, Rosa M. V.
- León-Escamilla, José Antonio
- Leong, C Y
- Leong, Chee Chiew
- Leong, Chi-Man
- Leong, J M
- Leong, J. K.
- Leong, Joan M
- Leong, JoAnne C.
- Leong, K
- Leong, K H L
- Leong, K L H
- Leong, K M
- Leong, Kingston L H
- Leong, Paul.
- Leong, Pkk
- León-Gómez, Calixto
- León-Gómez, Calixto
- León-González, Jesús Angel de
- Leong-Škorničková, Jana, & H Đ Trần
- Leong-Škorničková, Jana, & H-J Tillich
- Leong-Škorničková, Jana, M Sabu And M G Prasanthkumar
- Leong-Škorničková, Jana,
- Leonhard, Karl Cäsar von, 1779-1862
- Leonhardi, Hermann Karl, Freiherr von, 1809-1875
- Leonhardi, Johann Gottfried, 1746-1823
- Leonhardt, Adriana
- Leonhardt, B.A.
- Leonhardt, Cristina
- Leonhardt, Franziska
- Leoni, Franco, 1864-1949
- Leoni, Lúcio
- Leoni, Lúcio Souza
- Leonian, Leon H. (Leon Hatchig), 1888-1945
- Leoniceno, Niccolò, 1428-1524
- Leonidas, J. de M.
- Léonide, Jean-Claude
- León-Lobos, Pedro
- León-López, M. Celene
- Leonor Quiroz, David
- Leonova, Tatyana
- Leon-Paniagua Livia
- León-Paniagua, Livia
- León-Paniagua, Livia
- León-Règagnon, Virginia
- León-Romero, Yatzil
- Leontiev-Orlov, O.
- Leontsinis, Solon
- León-Yánez, Susana.
- Leopardi Verde, Carlos Luis
- Leopardi, M
- Léopold, père, O.C.R., 1884-1947
- Leopold, A C
- Leopold, A Starker
- Leopold, A. Carl (Aldo Carl), 1919-
- Leopold, Aldo
- Leopold, Aldo, 1886-1948
- Leopold, Bruce D
- Leopold, Donald Joseph, 1956-
- Leopold, E B
- Leopold, G. (Christian Gerhard), 1846-1911
- Leopold, Johann, active 1614?-
- Leopold, Luna B
- Leopold, Marc
- Leopold, Mardik F.
- Leopold, Nathan Freudenthal, 1904-1971
- Leopold, R A