- De Stefani, Carlo.
- De Stéfani, Marta Verardino
- De Stefano, J G
- De Sylva, Donald P.
- De Szechy, M T M
- De Tchihatcheff, M P
- De Terra, Helmut, 1900-
- De Thiersant, P Dabry
- de Thoisy, Benoit
- De Thuemen, F
- De Tollenaere, Aimé
- De Tomaso, A W
- De Tommaso, Daniela C.
- De Toni, Daniela
- De' Toni, Ettore, 1858-1925
- De Toni, Karen
- De Toni, M
- De Tonnancour, Pierre
- De Trenqualye, Alain
- De Turck, A
- De Turk, Issac.
- De V. A. Pessoa, Solange
- De V. Pienaar, R
- De Valesi, Amalia G
- De Valon, M E
- De Varenne, M A
- de Vasconcelos, Eduardo
- De Vasconcelos, Sandra Freitas
- De Veer, D W
- De Veer, J. A.
- De Vera, Alejandro
- De Vergne M.
- De Vergnes, M L
- De Vernueil, M Edouard
- De Verteuil, Louis Antoine Aimé Gaston, 1807-
- De Villafañe, Gloria
- De Villafranca, George W
- de Ville, Naomi
- De Villeneuve, Janti Joseph
- De Villiers, B J
- de Villiers, F. Andre
- de Vilmorin, Roger L.
- De Vinne Press.
- De Virville, M Ad Davy
- De Vis, Charles Walter 1829-1915
- De Vismes Kane, W F
- De Vlaming, Victor L
- De Vleeschouwer, Kristel Myriam
- De Vocht & De Wilde.
- de Vogel, Ed
- De Voogd, Nicole
- De Vos, André [pascal Alexandre] 1834-1889
- De Vos, Antoon
- De Vos, M P
- De Vos, Miriam P
- De Vos, Rob
- De Vos, Stephanie
- De Voto, Bernard, 1897-1955
- De Vree, Frits
- de Vries, B.
- De Vries, M C
- De Vries, Peter (Nursery stock dealer)
- De Vries-Lab, Hugo
- De Vrieze, Maurits
- De Vuillefroy, Félix
- De W. Miller, W
- De Waal, Louise
- De Waal, S A
- De Waele, Henri
- De Waele, Jo
- De Wayne Cactus Gardens.
- De Wet, M J
- De Wever, Patrick
- De Wilde, A G
- De Wildeman, Emile 1866-1947
- De Wildeman, Émile 1866-1947
- De Wint, Frederik
- De Winter, M
- De Winton, Dorothea
- de Winton, William Edward, 1856-1922
- de Wit, Joop
- de Wit, Luke
- De Witt Smith, Stacey
- De Witt, H H
- De Witt, Simeon, 1756-1834
- De Witte, G-F
- De Witte, Jacobus
- De Witte, John
- De Wolfe, Loran A. 1872-1959
- De Wysiecki, María Laura
- de Zeeuw, Marnix
- De Zeeuw, Richard, 1880-
- De Zograf, N
- De Zoologie, Centrale Muséum Laboratoire
- De Zulueta, Antonio
- De, J K
- De, Joannis J
- De, R N
- De, Rames Chandra
- De, Sagnik
- De, Zoologia Departamento
- De, Zuid-West-Vlaamse
- Deacon, George Edward Raven
- Deacon, George, Sir, 1906-
- Deacon, H J
- Deacon, J
- Deacon, James E.
- Deacon, John, active 1585-1616
- Deacon, Kenneth E.
- Deacon, T. L.
- Deaderick, William H
- Deagan, Kathleen A.
- Deahl, K L
- Deák, Balázs
- Deake, Gael J
- Deakin, Alan
- Deakin, Richard, 1808-1873
- Deal, A. S.
- Deal, Robert L. (Robert Leslie)
- DeAlteris, J. T.
- Dealy, J. Edward.
- Deam, Charles Clemon, 1865-1953
- Deam, Harry.
- Deam's Glad Gardens.
- Dean & Son,
- Dean Club
- Dean Foster Nurseries,
- Dean Iris Gardens.
- Dean Memorial Library.
- Dean Seed Company.
- Dean, Amos, 1803-1868
- Dean, Bashford, 1867-1928
- Dean, Daniel
- Dean, David Allen
- Dean, E. W.
- Dean, Edmund
- Dean, Ellen
- Dean, Fred T
- Dean, Frederick C.
- Dean, G A
- Dean, G W
- Dean, George, 1863-1914
- Dean, H L
- Dean, H. H. (Henry Hoshel), 1865-
- Dean, Harlan K.
- Dean, Henry Hoshel
- Dean, J. Kenneth.
- Dean, James
- Dean, Jeffrey
- Dean, John C., 1946-
- Dean, John J.
- Dean, John Mark
- Dean, Juliette
- Dean, Kurtis L.
- Dean, Laura M. I.
- Dean, Mark.
- Dean, Mason S.
- Dean, Paul B.
- Dean, R Gary.
- Dean, R. T. (Roger Thornton) 1948-
- Dean, Review By: Charles C
- Dean, Richard, 1830-1905
- Dean, Robert C
- Dean, Robert G. (Robert George), 1930-
- Dean, Ruth, 1889-1932
- Dean, S.K.
- Dean, Shay
- Dean, T F
- Dean, Tracy
- Dean, Tylan
- Dean, W. Richard J. (William Richard John), 1940-
- Dean, Walter E.
- Dean, William S. (William Samuel), 1883-
- Dean, William Thornton
- Deane, A.L.
- Deane, Cedric
- Deane, Charles
- Deane, Charles E.,
- Deane, H
- Deane, Henry
- Deane, Henry Towner
- Deane, J. C. (John Connellan)
- Deane, James, 1801-1858
- Deane, Jean
- Deane, Margaret C.,
- Deane, Mary H
- Deane, Ruthven
- Deane, Samuel, 1733-1814
- Deane, Walter, 1848-1930
- Deanette M. Small (Firm),
- DeAngelo, Ed.
- Deanna, Rocío
- Deans, Andrew R.
- Deans, James.
- Deantoni, Fernanda Oliveira
- Dear, J F
- Dear, James P.
- Dear, L. S.
- Dear, S P
- Dearborn, Donald C
- Dearborn, George Van Ness.
- Dearborn, H. A. S. (Henry Alexander Scammell), 1783-1851
- Dearborn, Ned
- Dearden, Elizabeth R
- Deardoff, Cecil Roy, 1874-
- Deardon, J. C.
- Deardon, Lyle C.
- Deardorff, David C.
- Deardorff, Merle H
- Deardorff, Thomas L
- Dearing, Charles.
- Dearing, M D
- Dearing, William Graham, 1860-
- Dearnaley, John
- Dearnaley, John D W
- Dearnaley, Nicholas
- Dearness, John, 1852-1954
- Dears, Nigel
- Dearth, Kim.
- Deas, Tom
- Deason, Temd R
- Death Valley Expediton, 1891-
- Deaton Nurseries.
- Deaton, Lewis E.
- Deaton, Teresa
- Deatrick, Eugene Peyton, 1889-
- Deaver, David Clement,
- Deaver, David Clement.
- Deaver, J. W.
- Deay, Howard O
- Deb, D B
- DeBaca, Robert S.
- Debach, Paul
- Debaisieux, G.
- DeBald, Paul S.
- Deband, D B
- Debandi, Guillermo
- Debarr, G
- Debastiani, C.
- Debastiani-Júnior, J. R.
- Debat, Humberto J
- Debaugh, Henry A.
- DeBaun & Co.
- DeBaun & Company.
- Debbert, Paul
- Debeaux, Jean Odon, 1826-1910
- Debelica, Anica
- Debeljak, Marko
- DeBell, Dean S.
- Debels, Patrick