- Routh, Andrew
- Routh, Edward John, 1831-1907
- Routhazn Seed Company.
- Routledge Seed & Floral Co.
- Routledge, R
- Routledge, Robert.
- Routman, Eric
- Routzahn Seed Co.
- Routzahn Seed Company.
- Routzahn's Co.
- Routzahn's Company.
- Rouvillois, Armelle
- Rouws, Janaina Ribeiro Costa
- Roux, A M
- Roux, Ana
- Roux, Ana M.
- Roux, C
- Roux, Ch
- Roux, Charles
- Roux, Claude
- Roux, E
- Roux, F
- Roux, F R
- Roux, François
- Roux, G
- Roux, Georges
- Roux, J
- Roux, J P
- Roux, J R
- Roux, Jacobus P
- Roux, Jacobus P (Koos)
- Roux, Jean, 1876-1939
- Roux, Jolanda
- Roux, Juan P
- Roux, Michael
- Roux, Michel
- Roux, Philippe, 18th cent-
- Roux, Pierre Paul Emile, 1853-
- Roux, Polydore, 1792-1833
- Roux, Wilhelm, 1850-1924
- Roux, William.
- Roux-Estève, R
- Roux-Estève, Rolande
- Roux-Estève, Rolande 1921-
- Rouy, Georges, 1851-1924
- Rouyer, M
- Rouzer, C. A.
- Rouzet, Jacques Marie, comte de Folmon, 1743-1820
- Rov, N
- Rova, Johan H E
- Rovatsos, Michail
- Rovedder, Cristiano E.
- Rovel, G
- Rovelli, G
- Rovere, Adriana E
- Rovere, Adriana Edit
- Rovereto, Cayetano
- Roversi, Pio F
- Roversi, Pio Federico
- Rovida, Ivan
- Rovie-Ryan, Jeffrine J.
- Rovinsky, David J.
- Rovira-Soto Jaime
- Rovirosa, José N., 1849-1901
- Rovirosa, José Narciso
- Rovirosa-Hernández María De Jesús
- Rovito, Sean
- Rovito, Sean M
- Rovner, J S
- Rovner, Jerome S
- Row, R
- Row, R W H
- Row, R W Harold
- Rowan Wholesale Nurseries.
- Rowan, Edw. J.
- Rowan, Ellis, 1848-1922
- Rowan, J. H.
- Rowan, John J.
- Rowan, John, J.
- Rowan, R
- Rowan, Robert R.
- Rowan, Theresa M.
- Rowan, W. B.
- Rowan, William, 1891-1957
- Rowcliffe, David J
- Rowdon, Larry 1923-
- Rowe, A
- Rowe, Cassandra
- Rowe, Charles H.
- Rowe, D D
- Rowe, Darryl
- Rowe, Edward C
- Rowe, F W E
- Rowe, Francis W E
- Rowe, Francis Winston Edric
- Rowe, Fwe
- Rowe, H. G. (Henry Grant), 1870-1934
- Rowe, Harold D
- Rowe, Henry C.
- Rowe, J A
- Rowe, J. S.
- Rowe, J.S. 1918-2004
- Rowe, Janet Agatha.
- Rowe, Kenneth E.
- Rowe, Kevin C.,
- Rowe, L S
- Rowe, Louis G.
- Rowe, Louis G.,
- Rowe, Mabel M.,
- Rowe, Mark J
- Rowe, Matthew P
- Rowe, N P
- Rowe, Nick
- Rowe, R
- Rowe, R J
- Rowe, R K
- Rowe, Rosemary A.
- Rowe, Ross
- Rowe, Stephen G
- Rowe, Timothy, 1953-
- Rowe, W E
- Roweck, Hartmut
- Rowell, A J
- Rowell, Albert J
- Rowell, Alfred Lee.
- Rowell, Bob
- Rowell, C H
- Rowell, Caroline S., Mrs.
- Rowell, Chester M
- Rowell, David M
- Rowell, E. J.
- Rowell, H F
- Rowell, J
- Rowell, Kirsten
- Rowell, Margaret
- Rowell, Misha K
- Rowell, Percy Elliot.
- Rowell, Percy Elliott.
- Rowell, Petra A.
- Rowell, Petra.
- Rowell, T I
- Rowell, T Irvine
- Rower, C F
- Rowe-Rowe, D T
- Rowett, A I
- Rowland Ward Ltd.
- Rowland, A J
- Rowland, Andrew J
- Rowland, E. (Edward), active 1839-
- Rowland, H.
- Rowland, Henry Augustus, 1848-1901
- Rowland, J M
- Rowland, J Mark
- Rowland, J. Mark.
- Rowland, John, M.D.
- Rowland, Kendrith Martin.
- Rowland, Mary M.
- Rowland, Rachel A
- Rowland, Robert R
- Rowland, S J
- Rowland, Stuart J
- Rowland, Sydney
- Rowland, W. H.
- Rowland-Brown, Henry,
- Rowland-Brown, Henry.
- Rowlands, Beau W
- Rowlands, D. D.
- Rowlands, Henry, 1655-1723
- Rowlands, M J
- Rowlands, Peter G.
- Rowlands, R P V
- Rowlands, S P
- Rowlandson, Thomas.
- Rowlatt, E A
- Rowledge, H P
- Rowlee, W W
- Rowlee, Willard Winfield, 1861-
- Rowles, William F.
- Rowlett, John L
- Rowlett, Joseph
- Rowlett, R A
- Rowlett, Rose Ann
- Rowley, Charles P.
- Rowley, Chris
- Rowley, Frank.
- Rowley, George Dawson, 1822-1878
- Rowley, Gordon D.
- Rowley, I
- Rowley, Ian
- Rowley, J J L
- Rowley, J. Stuart.
- Rowley, Jan
- Rowley, Jodi
- Rowley, Jodi J L
- Rowley, John R
- Rowley, John, 1866-
- Rowley, M J
- Rowley, R R
- Rowley, Ted
- Rowling, Jill
- Rowney, John Victor.
- Rowney, T H
- Rowney, T. H. 1817-1894
- Rowntree, Jennifer
- Rowntree, Leonard G. (Leonard George), 1883-1959
- Rowntree, Lester.
- Rowntree, Rowan
- Rowsell, James A.
- Rowson, Ben
- Roxburgh, Late William
- Roxburgh, Stephen H
- Roxburgh, William
- Roxburgh, William, 1751-1815
- Roxbury Dahlia Gardens.
- Roxbury Historical Society
- Roxby, Malcolm
- Roxo, Ana Esmeralda
- Roxo, Fábio
- Roy A. Baird Flower Gardens (Firm)
- Roy C. Foote (Firm),
- Roy Carter Seedsman (Firm),
- Roy F. Wilcox & Co.
- Roy Gottschall (Firm)
- Roy Hennessey (Firm)
- Roy L. Fancolly (Firm)
- Roy Rogers' Iris Gardens,
- Roy V. Ashley (Firm)
- Roy W. Gottschall (Firm)
- Roy Zilk'S Nursery,
- Roy, Aditya
- Roy, Arindam,
- Roy, Arjan Basu
- Roy, B N
- Roy, Charles S.
- Roy, Christine C.
- Roy, Claude
- Roy, D
- Roy, D K
- Roy, D N
- Roy, D. F.
- Roy, D. F.,
- Roy, David
- Roy, Debjani
- Roy, Dilip
- Roy, Dilip K
- Roy, Douglass F.
- Roy, G.
- Roy, G. L. (Gabriel Lucien), 1938-
- Roy, Graham
- Roy, Helen