- Manuwal, David Allen.
- Manuzio, Aldo, 1449 or 1450-1515
- Manvelyan, Marina
- Manville, A. H.
- Manville, E. A.
- Manville, G. Christine
- Manville, R H
- Manville, Richard H 1910-1974
- Manwaduge, Chapa
- Manwaring, E A
- Manwaring, H.M.
- Manwaring, Nathan
- Manweiler, A
- Manwell, Allen D.
- Manwell, Clyde
- Manwell, Reginald D
- Manyanza, D N
- Manzan, Dagoberto J.
- Manzanares, Juan Cristóbal
- Manzanarez-Papayanopoulos Luisa
- Manzanera, JA
- Manzanero, Gladys
- Manzanero-Acevedo, Luis Ariel
- Manzanero-Medina, Gladys Isabel
- Manzani, Paulo Roberto
- Manzanilla, Hugo.
- Manzano, Adriana S
- Manzano, Andrea
- Manzano, Felipe V.
- Manzano, Mario
- Manzano, Pablo
- Manzanoÿ, Adriana
- Manzari, Shahab
- Manzato, A. J.
- Manzatti, Leonardo, approximately 1750-1826
- Manzatto, AG.
- Manzatto, Angelo Gilberto
- Manzella, Alberto,
- Manzelli, M A
- Manzer, Douglas L.
- Manzi, A
- Manzi, A E
- Manzi, Antônio O.
- Manzi, Antônio Ocimar
- Manzi, Aurelio
- Manzi, John J
- Manzini, Giuseppe.
- Manzini, N. F.
- Manzione, Mauricio
- Manzitto-Tripp, Erin
- Manzo, Verónica
- Manzoli, Darío E.
- Manzoli-Palma, M F
- Manzoni Vieira, Leandro
- Manzoni, A
- Manzoni, A.
- Manzoni, Robert
- Manzotti, Angelo R.
- Manzotti, Angelo Rodrigo
- Manzur, Tatiana
- Mao, A A
- Mao, Ben-Yong
- Mao, Cailiang
- Mao, Chuyang
- Mao, Fang-yuan.
- Mao, Hanli.
- Mao, Jin
- Mao, Jingwen
- Mao, Kangshan
- Mao, Li-Juan
- Mao, Ling-Feng
- Mao, Luca
- Mao, Meng
- Mao, Ming-Le
- Mao, Ning
- Mao, Qiang
- Mao, Qin
- Mao, Runqian
- Mao, Shaoli
- Mao, Shaozhi, 1936-
- Mao, Si Ying
- Mao, Xinying
- Mao, Ya-Meng
- Mao, Ying
- Mao, Ying-Tou
- Mao, Yongna
- Mao, Yu-Chen
- Mao, Yue
- Mao, Yun-ling
- Mapaura, Anthony
- Mapaure, Isaac
- Mapelli, Fernando J
- Mapendembe, Abisha
- Mapes, Charles Victor, 1836-1916
- Mapes, G
- Mapes, Lynda
- Mapes, Royal
- Mapes, Royal H
- Mapes, S
- Mapholi, Ntanganedzeni
- Mapile, Maria Reynalen F.
- Maple Avenue Nurseries.
- Maple Bend Nurseries.
- Maple Bend Nursery.
- Maple Grove & Waterloo Nurseries.
- Maple Grove Nurseries.
- Maple Hill Nurseries.
- Maple Hill Nursery.
- Maple Hill Rose Farm.
- Maple Hurst Nurseries.
- Maple Park Farm.
- Maple Ridge Farm.
- Maple Road Garden.
- Maple Road Gardens.
- Maple Valley Iris Gardens.
- Maple, Dion
- Maple, Dion J.
- Maple, Emily
- Maples' Gardens.
- Maples, Bruce C.
- Maples, C G
- Maples, Michael T.
- Maples, Robert S
- Mapleshade Farm.
- Maplestone, C M
- Maplestone, P A
- Mapleton Flower and Bulb Co.,
- Maplewood Farm.
- Maplewood Fruit Farm.
- Maplewood Hackney Stud and Stock Farm.
- Mapook, Ausana
- Mappus, Marcus
- Mapstone, George E
- Mapstone, Gillian M
- Maqbool, Amir
- Maqsad, Irfana
- Maqueda, Silvia Gómez
- Maquenne
- Maquenne, L
- Maquilan, Mary Ann D. (Mary Ann Dy)
- Mar, Daw Khyne U
- Mar, Manuel del
- Mar, Shek Shing
- Mar, Win
- Marabelli, Francesco, 1761-1846
- Marabini, Johannes
- Marabuto, Eduardo
- Maracahipes Santos, Leonardo
- Maradan, Claude-François, 1762-1823
- Marafeli, Patrícia De Pádua
- Marafeli, PP
- Marafioti, Simona
- Maragno, Franciéle P.
- Marah, W. H.
- Marais, E M
- Marais, Eugene
- Marais, Johan
- Marais, Petro
- Marais, R. des,
- Marais, W
- Marajó, José Coelho da Gama e Abreu Barão de 1832-
- Marajó, Leandro
- Marakis, S
- Marakis, St
- Maraldo, David C.
- Marambio, Johanna
- Marambio, Johanna
- Marambio, José
- Maramorosch, K.
- Maramorosch, Karl
- Maramorosch, Karl
- Maran, B A Venmathi
- Marangon, Sergio
- Marangoni, Carla
- Marangoni, Federico
- Marangoni, Juliano C.
- Maranhão, Henrique Albuquerque
- Maranho, Álisson Sobrinho
- Maranho, Leila Teresinha
- Maranho, LT.
- Marani, Girolamo.
- Maranne, M Is
- Marano, A V
- Marano, Agostina V
- Marano, Agostina V.
- Marano, Agostina Virginia
- Marano, G
- Marañón, Teodoro
- Maranová, L
- Maransky, Bryan
- Marantelli, Gerry
- Marantz, Curtis A
- Marasas, W F O
- Maraschin, M.
- Maraschin-Silva, Fabiana
- Marasco, R.
- Marasco, Richard J.
- Marash, J A
- Marasinghe, Diana S
- Marasovic, Ivona
- Marassá, Ana Maria
- Marassi, MP.
- Marathe, Aniruddha
- Marathe, Jitendra M
- Marathe, Kiran
- Marathe, Rahul
- Marathe, Sanskruti
- Marathe, Sayali D.
- Maratos, Alexander.
- Maratti, Giovanni Francesco, 1777
- Maraun, Mark
- Maravalhas, Jonas Brochado
- Maraventano, Giuseppe
- Maravigna, Carmelo.
- Maravilla-Chávez, Martín Octavio
- Marazzi, Brigitte
- Marazzo, A.
- Marazzo, Andrea
- Marbacher, H
- Marbán, Liliana
- Marbaniang, D
- Marbecke, Roger, 1536-1605
- Marbice, Laurence S
- Marble City Nursery Co.
- Marble Iris Gardens,
- Marble, Alexander 1902-1992
- Marble, Charles C.
- Marble, Charles C.,
- Marble, Delia W. (Delia West) 1868-1951
- Marble, John H.
- Marble, Vern L.
- Marbode, Bishop of Rennes, 1035?-1123
- Marbot Ramada, Rolando
- Marburger, Joy E.
- Marbury, Mary Orvis.
- Marbus, Cielito
- Marc, P
- Marca, Alex G
- Marca, Enrique La
- Marcadé, Isabelle
- Marcailhou-d'Ayméric, Alexandre, 1839-1897
- Marcailhou-d'Ayméric, Hippolyte, 1855-1909
- Marcaillou-Le Baut, C
- Marçais, Benoit
- Marçais, Ed
- Marçais, Édouard
- Marçal Correia, Alexandra
- Marçal, Sandra Francisca
- Marçal, Sidney
- Marçal, Viviani V. M