- W.P. Lothrop (Firm)
- W.P. Peacock (Firm)
- W.P. Ramsay (Firm)
- W.P. Ramsay Pecan Nursery.
- W.P. Rupert & Son.
- W.P. Williams (Firm)
- W.R. Gray (Firm)
- W.R. Kimball (Firm)
- W.R. Parvin Company.
- W.R. Strong & Co.
- W.R. Strong Company
- W.S. Ashby & Sons.
- W.S. Cooper (Firm)
- W.S. Hallman Co.
- W.S. Newcomer (Firm)
- W.S. Todd (Firm)
- W.T. Ainsworth and Sons.
- W.T. Barron Nurseries,
- W.T. Champneys and Son.
- W.T. Falconer Manufacturing Co.
- W.T. Hood & Co.
- W.T. Morrell & Company,
- W.T. Palfrey Nursery.
- W.V. Taylor (Firm)
- W.W. Bagley & Sons.
- W.W. Barnard & Co.
- W.W. Barnard Company (Chicago, Ill.)
- W.W. Clark (Firm)
- W.W. Coles (Firm)
- W.W. Eggleston (Firm)
- W.W. Farnsworth (Firm)
- W.W. Hawkins & Sons.
- W.W. Hunt & Co.
- W.W. Hunt & Company.
- W.W. Johnson (Firm)
- W.W. Johnson's Seedling Nursery.
- W.W. Kennedy & Sons.
- W.W. Rawson & Co.
- W.W. Rawson & Co.
- W.W. Sterling & Son.
- W.W. Stokes & Son.
- W.W. Thomas (Firm)
- W.W. Thomas Co. (Anna, Illinois)
- W.W. Wannamaker & Sons.
- W.W. Willmore Nurseries,
- W.W. Wilmore (Firm)
- W.W. Wilmore's Dahlia Farm and Nursery,
- W.W. Wood (Firm)
- W.Y.C. Grant & Son.
- Waage, E.
- Waagé, Karl M. (Karl Mensch), 1915-1999
- Waagen, Lukas
- Waagen, Wilhelm Heinrich, 1841-1900
- Waal, J. P.
- Waardenburg, Hendrik Willem, 1804-1833
- Waas, Christine M
- Waaser, Gordon F.
- Waayers, D A
- Waban Conservatories.
- Wabnitz, Colette
- Wace, Henry, 1836-1924
- Wachelka, Hedrik
- Wachendorf, Horst
- Wachendorff, Evert Jacob van
- Wacher, Tim
- Wachholz, Flávio
- Wachira, James
- Wachkoo, Aijaz
- Wachkoo, Aijaz Ahmad
- Wachnitz, Lilly
- Wachowiak, Matt
- Wachs, Elizabeth Faull
- Wachsmuth, Charles, 1829-1896
- Wachter, Sibyl
- Wachter, Tatzyana,
- Wachtl, Fritz A. 1840-1913
- Wächtler, K. (Klaus), 1938-
- Wackenheim, Quentin
- Wackernagel, Hans
- Wackerzapp, Omar
- Wacławek, Krzysztof
- Wacławska-Ćwiertnia, Klaudia
- Wad, Gregorius, 1755-1832
- Wada, Hiroaki
- Wada, Hiroshi
- Wada, Kaoru
- Wada, Katsuhiko
- Wada, Kazuo
- Wada, Keiji
- Wada, Masaaki
- Wada, Seiji K
- Wada, Takashi
- Wada, Tokujiro
- Wada, Yoshito
- Waddell, Alexander Henry, 1858-1916
- Waddell, C. H. (Cosslett Herbert), 1858-1919
- Waddell, Dale R.
- Waddell, Jeff
- Waddell, L. A. (Laurence Austine), 1854-1938
- Waddell, Laurence Austine
- Waddick, James W.
- Waddington, C. H. (Conrad Hal), 1905-1975
- Waddington, Henry J.
- Waddington, Janet, 1948-
- Waddington, L. G. F.
- Waddle, J. Hardin
- Waddle, Rosezell G.
- Waddle, Terry.
- Wade & Gatton Nurseries,
- Wade Christmas Tree Farms,
- Wade, A. E. (Arthur Edward), 1895-1989
- Wade, Alan
- Wade, Arthur
- Wade, Brian K
- Wade, Bruce
- Wade, Charles B
- Wade, Charles E.
- Wade, Christopher M.
- Wade, Claude Martin
- Wade, Dan E
- Wade, Douglas E
- Wade, E.
- Wade, G C
- Wade, Gary L.
- Wade, H. W. (Herbert Windsor), 1886-
- Wade, Henling Thomas
- Wade, Henry, 1887-1969
- Wade, J.
- Wade, J. S. (Joseph Sanford), 1880-1961
- Wade, Jacqueline M.
- Wade, Joseph Sanford, 1880-1961
- Wade, Joy
- Wade, Keith D.
- Wade, Leslie Augustus Burton
- Wade, M J
- Wade, Mary
- Wade, R. T.
- Wade, Robert Thompson
- Wade, Roy.
- Wade, Ryan R
- Wade, Thomas.
- Wade, Walter, 1825
- Wade, Winthrop H.
- Wadekar, U. L.
- Wadena Northwest Nurseries.
- Wade's Nursery,
- Wadham, S M
- Wadhams, Peter
- Wadhi, S. R.
- Wadhwa, B. M.
- Wadhwani, C.
- Wadleigh, C. H. (Cecil Herbert), 1907-
- Wadleigh, Jeanne S.
- Wadleigh, Linda
- Wadley, F. M. (Francis Marion), 1892-
- Wadley, S. R.
- Wadley, Victoria
- Wadmond, S. C.
- Wadoo, A. R.
- Wadsley, A. D.
- Wadsworth, Augustus Baldwin, 1872-
- Wadsworth, Frank H.
- Wadsworth, J. F.
- Wadsworth, James Wolcott, 1846-
- Wadsworth, M. Edward 1847-1921
- Wadsworth, Patricia
- Wadt, Lúcia Helena de Oliveira
- Waechter, Jorge L.
- Waechter, Sharon.
- Waegele, Heike
- Waengsothorn, Surachit
- Waer, Richard Dean.
- Waerebeke, Daniel Van
- Waeschenbach, Andrea
- Waessle, Juan A.
- Waetjen, David
- Wafa, Sharifah Nurashikin
- Wafer, Lionel, 1660?-1705?
- Waga, Jacob.
- Wagan, Muhammad Saeed
- Wagar, J. Alan.
- Wägele, Heike
- Wägele, Johann-Wolfgang
- Wägele, Wolfgang
- Wagener, Angela
- Wagener, B.
- Wagener, Carla
- Wagener, Guido Richard, 1822-1896
- Wagener, Gustav
- Wagener, S. (Sigbert)
- Wagener, Willis W.
- Wagenitz, Gerhard
- Wagenknecht, B.
- Wagenknecht, Burdette L
- Wagenschieber, 19th cent-
- Wagensommer, Robert Philipp
- Wager, Harold
- Wager, Harold W. T.
- Wager, Henry P.
- Wager, Horace A
- Waggaman, Samuel.
- Waggaman, William H., 1883-1978
- Waggoner, Gary
- Waggoner, Harry Dwight, 1877-
- Waggoner, John P
- Waggoner, Paul E.
- Waggy, Gretchen
- Wagh, Arun B.
- Wagh, G. K.
- Waghchoure, Elizabeth Stephen
- Waghorne, Arthur C. (Arthur Charles), 1851-1900
- Wagle, R. F.
- Wagler, Johann Georg, 1800-1832
- Wagley, Henry O.
- Wagley, Marisa E.,
- Wagnell, Craig
- Wagner (Nursery),
- Wagner Free Institute of Science.
- Wagner Landscape Gardening,
- Wagner Natural Area Society.
- Wagner Nurseries (Pasadena, Calif.)
- Wagner Park Nursery Co.
- Wagner Park Nursery Co.,
- Wagner, A
- Wagner, A. C. W.
- Wagner, A. J. (Antoni Józef), 1860-1928
- Wagner, Adolf
- Wagner, Anstiss B.
- Wagner, Anthony
- Wagner, Arthur A.
- Wagner, Balthasar
- Wagner, Cary Richard, 1894-
- Wagner, Christof, 1869-1936
- Wagner, David H., 1945-
- Wagner, David L., 1956-
- Wagner, David T.
- Wagner, Denise
- Wagner, Earl H.
- Wagner, Eduard
- Wagner, Eduard, 1864-
- Wagner, Émile Roger.
- Wagner, F. S. (Florence Signaigo), 1919-2019
- Wagner, Frances J. E., 1927-
- Wagner, Franz von, 1861-
- Wagner, Frederic H
- Wagner, Fritz
- Wagner, G
- Wagner, George B., 1906-
- Wagner, Glauber
- Wagner, Gottfried Jacob.