- Warming, Eugenius, 1841-1924
- Warming, Johannes E.
- Warmington, David
- Warmke, Germaine L
- Warnars, Gerrit (Amsterdam)
- Warncke, Klaus
- Warne, Connor
- Warne, Henry A.
- Warne, M T
- Warne, Mark Thomas
- Warne, Sarah-Jane
- Warne, William E.
- Warnecke, Georg
- Warnecke, Georg Heinrich Gerhard
- Warnecke, Günther
- Warneke, R. M. (Robert M.)
- Warnement, Judith A.
- Warner Iris Gardens,
- Warner, Alexander Carl
- Warner, Anna Bartlett, 1824-1915
- Warner, Barry G.
- Warner, Charles Dudley, 1829-1900
- Warner, Cornelia Blakemore
- Warner, Daniel A.
- Warner, David
- Warner, Dwain W. (Dwain Willard), 1917-2005
- Warner, Edith A.,
- Warner, Francis, 1847-1926
- Warner, Harry Jackson.
- Warner, Helen Garnie, 1846-
- Warner, Jerry W.
- Warner, John
- Warner, John R., 1922-
- Warner, Jon A
- Warner, K
- Warner, K. K.
- Warner, Lesley
- Warner, M. E.
- Warner, Marjorie F. (Marjorie Fleming), 1871-
- Warner, Peter
- Warner, Ralph M.,
- Warner, Richard C.
- Warner, Richard E.
- Warner, Richard H
- Warner, Richard, 1713?-1775
- Warner, Robert
- Warner, Robert R.
- Warner, Rose Ella
- Warner, William B.
- Warner, Worcester Reed
- Warner's Seed Store.
- Warnes, John
- Warnick, A. C. (Alvin C.)
- Warnick, Ronald
- Warnicke, John G., 1818
- Warnke, D. Keith
- Warnock, Barton H
- Warnock, Bonnie J.
- Warnock, Michael J.
- Warnock, Nils
- Warnock-Juteau, Kendra
- Warnockturner, M
- Warnstorf, Carl Friedrich Eduard
- Warnstorf, Carl, 1837-1921
- Warpachowsky, M. N.
- Warr, Frances E. 1938-
- Warr, Karen R.
- Warraich, Muhammad Yousaf
- Warrell, David A
- Warren Baldsiefen (Nursery),
- Warren E & P, Inc.
- Warren Gladiolus Gardens.
- Warren H. Dowling (Firm)
- Warren Nursery (New York, N.Y.)
- Warren Seed Company.
- Warren Shinn (Firm)
- Warren, A. Emerson
- Warren, A. A.
- Warren, Alan
- Warren, Amy
- Warren, Andrew D.
- Warren, Anne
- Warren, B A
- Warren, Ben H.
- Warren, Benjamin Harry, 1858-1926
- Warren, Brisbane C. S.
- Warren, Charles D.
- Warren, Charles R.
- Warren, Cora L.
- Warren, Cyril.
- Warren, D
- Warren, Dan
- Warren, Daniel A.
- Warren, Dion.
- Warren, Don C
- Warren, Edgar, 1858-
- Warren, Edward Royal, 1860-1942
- Warren, Fred A.
- Warren, Garry L.
- Warren, George F. (George Frederick), 1874-1938
- Warren, George.
- Warren, Gouverneur Kemble, 1830-1882
- Warren, Gretchen O.
- Warren, Helen,
- Warren, Henry, 1794-1879
- Warren, Herbert F.
- Warren, Isabel
- Warren, J L
- Warren, J. Collins
- Warren, J. E.
- Warren, J. W.
- Warren, James G.
- Warren, James Lloyd La Fayette, 1805-1896
- Warren, John Collins, 1778-1856
- Warren, John.
- Warren, Jonathan
- Warren, Joseph Allen.
- Warren, Kristin
- Warren, L. M.
- Warren, Lori K.
- Warren, Luther Fiske, 1885-
- Warren, Lynda M
- Warren, Margaret
- Warren, Mark A.
- Warren, Martin
- Warren, Mary Kim
- Warren, Matthew H.
- Warren, Melanie
- Warren, Melvin L., Jr.
- Warren, Milton W.
- Warren, P. S.
- Warren, P. T. (Peter Tolman)
- Warren, Patricia Armstrong
- Warren, Penelope G
- Warren, R. G. (Richard Gordon)
- Warren, Rachel L. M.
- Warren, Randy
- Warren, Richard
- Warren, Robert E.
- Warren, Robert.
- Warren, S. H.
- Warren, Shields
- Warren, Stephanie M
- Warren, Steven D.
- Warren, Viola Lockhart, 1896-1968
- Warren, William 1839-1914
- Warren, William Henry
- Warren, William, lepidopterist.
- Warren-Gash, Haydon
- Warren's (Firm : Berkeley, Calif.)
- Warren's Floral Saloon and Horticultural Museum.
- Warren's Garden and Nurseries (Brighton, Mass.)
- Warrenville Berry Farms.
- Warrenville Nursery Farms,
- Warrick, Robert B
- Warriner, Jane C
- Warriner, John S
- Warring, Sally D.,
- Warrington, P. D.
- Warrington, Staci
- Warrit, Natapot
- Warsaw Gladiolus Gardens.
- Warschkow, Oliver
- Warshauer, F. R.
- Warshavsky, Andrey
- Warshaw Collection of Business Americana.
- Wartburg, A.
- Wartchow, F
- Wartchow, Felipe
- Wartchow, Felipe
- Warter, Stuart L
- Warth, Manfred
- Warthen, J. D.
- Warthin, Aldred Scott, 1904-
- Warthmann, Norman
- Wartmann Nursery Co.
- Wartmann, B. (Bernhard), 1830-1902
- Wartmann, Jakob, 1803-1873
- Wartmann, Stefan
- Warui, C.M.
- Warui, Charles Mwaura
- Warwick, A
- Warwick, Charles E.
- Warwick, Charles.
- Warwick, Esme P.
- Warwick, F. M.
- Warwick, Nigel
- Warwick, R.M.
- Warwick, Richard
- Warwick, Richard Martyn
- Warwick, Suzanne
- Warwick, Suzanne I.
- Warwick, T.
- Warwickshire Natural History and Archaeological Society.
- Warwyck, Wijbrant van, approximately 1569-1615
- Warzecha, Paulina
- Wąsala, Roman
- Wasbauer, Marius S. (Marius Sheridan), 1928-
- Waschnitz, Lilly
- Wascom, Michael W
- Waseem, Muhammad
- Wasef, Sally
- Waselkov, Gregory A.
- Waselkov, Katherine
- Waser, Lars T.
- Wasey, G K
- Washburn & Co.
- Washburn & Curtis.
- Washburn and Company, Boston.
- Washburn Dahlia Gardens.
- Washburn University.
- Washburn, Miss,
- Washburn, Brian E.
- Washburn, F. E.
- Washburn, F. L. (Frederic Leonard), 1860-1927
- Washburn, Henry J. (Henry James), 1862-1929
- Washburn, Howard E.
- Washburn, Lowell
- Washburn, Margaret Floy, 1871-1939
- Washburn, Raymond Secord, 1887-
- Washburn, Richard H.
- Washburn, Richard I.
- Washburn, Robert Mann, 1874-
- Washburn, Stephen J.
- Washburne, Carleton Wolsey, 1889-
- Washburne, Chester Wesley, 1883-
- Washburne, Randel.
- Washburn-Wilson Seed Co.
- Washington (State)
- Washington (State) Dept. of agriculture.
- Washington (State). Bureau of Statistics and Immigration.
- Washington (State). Coastal Zone Management Program.
- Washington (State). Department of Ecology.
- Washington (State). Department of Fish and Wildlife.
- Washington (State). Department of Fisheries.
- Washington (State). Department of Natural Resources.
- Washington (State). Department of Wildlife.
- Washington (State). Dept. of Fish and Wildlife.
- Washington (State). Dept. of Fisheries and Game.
- Washington (State). State Commissioner of Horticulture.
- Washington (State). Superintendent of Public Instruction.
- Washington Academy of Sciences (Washington, D.C.)
- Washington Agricultural Experiment Station.
- Washington Biologists' Field Club
- Washington Cathedral.
- Washington Chamber of Commerce (D.C.). Special Committee on Milk Situation in District of Columbia.
- Washington Conference of District Foresters 1930-
- Washington Floral Co.
- Washington Greenhouses.
- Washington Heights Nurseries.