- Keck, J M, Rev.
- Keck, Julius.
- Keck, K. (Karl), 1825-1894
- Keck, Richard T
- Keck, Wendell M.
- Keck-Stephens Gardens,
- Keddam-Malplanche, Monique
- Keddie, Grant
- Keddie, William, 1809-1877
- Keddy, Cathy J.
- Keddy, Gerald.
- Keddy, Paul A., 1953-
- Kedzie, Robert Clark, 1823-1902
- Kee Alfian Abd, Adzis
- Keeble, Frederick, 1870-1952
- Keeble, J-W
- Keech, J.
- Keech, Mark A.
- Keefe, Anselm Maynard
- Keefe, Donald G.
- Keefe, Joseph M
- Keefe, Thomas L.
- Keefer, Norman D.
- Keegan, Brendan
- Keegan, Brendan F, 1943-2004
- Keegan, Charles E.
- Keegan, Christine R
- Keegan, J B
- Keegan, Thomas P
- Keehn, Richard
- Keehn, Shannon
- Keel, Shirley H Kuo
- Keele, J.
- Keele, Thomas William, 1850-1927
- Keeler, Charles, 1871-1937
- Keeler, Chas. V., Mrs.
- Keeler, Clyde E. (Clyde Edgar), 1900-1994
- Keeler, Harriet L. (Harriet Louise), 1846-1921
- Keeler, Henry D.
- Keeler, John Grant
- Keeler, Kathleen H
- Keeler, Kurt
- Keeler-Wolf, Todd
- Keeler-Wolf, Virginia
- Keeley, Jon E.
- Keeley, Larry L
- Keeley, Lou
- Keeley, Sterling C.
- Keeline-Wilcox Nurseries,
- Keeling, Jeffrey
- Keen, A. Myra (Angeline Myra), 1905-1986
- Keen, D. Jean.
- Keen, E N
- Keen, F. P. (Frederick Paul), 1890-
- Keen, John Henry, 1851-1950
- Keen, Michael C. (Michael Charles)
- Keen, Susan L
- Keen, William W. (William Williams), 1837-1932
- Keenan, Elizabeth E
- Keenan, George Lawrence, 1886-
- Keenan, Lewis C
- Keenan, P E
- Keene & Foulk.
- Keene Forestry Associates.
- Keene Forestry Association.
- Keene, A. C.
- Keene, Deborah Ann.
- Keene, Douglas R
- Keene, Frank.
- Keene, Henry George
- Keene, Jeremy
- Keene, John Harrington.
- Keene, Mary Lucille
- Keener, Alice E
- Keener, Brian R
- Keener, Carl S
- Keener, Paul D
- Keeney Seed Company.
- Keeney, C. A.
- Keeney, George
- Keeney, J. Paul.
- Keeney, Toney M., 1942-2003
- Keenleyside, Karen Anne, 1964-
- Keenlyside, David L.
- Keenum, D. (Dave)
- Keep & Nelson Pecan Co.
- Keep, Josiah, 1849-1911
- Keep, Myra
- Keeping, Walter
- Keeratikiat, Kaweesak
- Keer-Rendón, Arturo
- Keese, John, 1805-1856
- Keeshaw, John C W
- Keesing, John K
- Keesling, Jim
- Keesling, Stuart A.
- Keet, Jan-Hendrik
- Keetapithchayakul, Tosaphol Saetung
- Keetch, John J. (John James), 1911-
- Keeton, John R.
- Keeton, William T
- Keevil, Matthew G.
- Keevin, Thomas M
- Kefelioglu, Haluk
- Keferstein, Adolph, 1793-1884
- Keferstein, Wilhelm, 1833-1870
- Keffer, Charles A. (Charles Albert), 1861-1935
- Keffer, Steven L
- Kefford, Ben J
- Kegan Paul, Trench & Co.,
- Keghel, Joseph de,
- Keghel, Maurice de, 1885-
- Kegley, Sandy.
- Kehding, Friedrich, active 1878-1890
- Kehl, John
- Kehl, Nicole
- Kehlmaier, Christian
- Kehne, C. Lewis
- Kehoe, F. Patrick
- Kehoe, Nancy M.
- Kehr, A
- Kehr, Arturo I.
- Kehrig, Helena do Amaral
- Keibel, Franz, 1861-1929
- Keidel, Hans, 1877-1954
- Keifer, Hartford H.
- Keighery, Bronwen J.
- Keighery, Gregory John, 1950-
- Keighley, Dave
- Keighley, Greg
- Keigley, Richard B.,
- Keij, Adriaan Jan
- Keikha, Ahmad Ali
- Keikhosravi, Alireza
- Keil, C B
- Keil, David J.
- Keil, Gabriel D.
- Keil, Heinrich, 1822-1894
- Keil, Klaus.
- Keil, Nina Maria
- Keil, Petr
- Keil, Thomas
- Keilbach, Rolf
- Keilhack, Konrad, 1858-
- Keilhack, Ludwig, 1884-1915
- Keilhau, B. M. (Balthasar Matthias), 1797-1858
- Keilholz, F. J.
- Keilin, David, 1887-1963
- Keil-Millers' Glad A Lot,
- Keim, Albert, 1876-1947
- Keim, Ary P. (Ary Prihardhyanto)
- Keim, F. D. (Franklin David), 1886-
- Keim, Lauren D
- Keim, Maria Luisa
- Keim, Marie
- Keim, Thomas D
- Kein, Millard Alschuler, 1886-
- Keinath, Douglas A.
- Keino, Hiroomi
- Keiper, Joe B
- Keiper, Pamela B
- Keiper, Ronald R
- Keir, James R
- Keirans, James E., 1935-2023
- Keirnan, Elizabeth
- Keirsebelik, Heleen
- Keiser, Alfred, 1895-1969
- Keiser, Carl N
- Keiser, Irving.
- Keisey, L P
- Keiss, Robert E
- Keissler, Karl von, 1872-
- Keister, George P
- Keister, Margaret L
- Keister, Sharon M
- Keita, Mamady Kobele,
- Keitel, Claudia
- Keiter, Robert B., 1946-
- Keith African Expedition Of The American Museum Of Natural History 1961-1963
- Keith African Expedition of the American Museum of Natural History (1961-1963)
- Keith And Peggy Goldsmith (Nursery),
- Keith Bros. Nursery.
- Keith Brothers Nursery.
- Keith Morris, Peter Speldewinde
- Keith Plant Nursery.
- Keith Prowse & Co's Programme
- Keith Shaffer (Firm),
- Keith, Allan R.
- Keith, Arthur, Sir, 1866-1955
- Keith, B. H.
- Keith, B. W.
- Keith, David A
- Keith, Denis
- Keith, Don
- Keith, Eric L
- Keith, J F, Jr.
- Keith, J. A.
- Keith, James M.
- Keith, James O., 1932-2006
- Keith, Jeff
- Keith, Jessie A. 1970-
- Keith, John R.
- Keith, Katrina
- Keith, Ken
- Keith, Kevin
- Keith, Larisa
- Keith, Lloyd B. 1931-
- Keith, MacKenzie L. 1912-2000
- Keith, Mark
- Keith, Megan S.,
- Keith, Minor C. (Minor Cooper), 1848-1929
- Keith, Nancy K
- Keith, Patrick, 1769-1840
- Keith, Philippe
- Keith, Robin
- Keith, Ronalda.
- Keith, Stuart
- Keith, William, 1838-1911
- Keith, William, Sir 1680-1749
- Keith, William.
- Keithley, Joseph Rayburn,
- Keith-Lucas, D. Michael
- Keith-Lucas, Timothy, 1945-
- Keith-Lucas, Timothy.
- Keithly, John Luther.
- Keith'S Plant Nursery,
- Keitt, G. W. (George Wannamaker), 1889-
- Keitt, Thomas Ellison.
- Keitt, Timothy
- Keizer, Edwin Willem Hermanus
- Keizer, Jacob de
- Keji, Guo
- Kejval, Zbynëk
- Kekes, Jean Y.
- Kekić, Vladimir
- Kelaart, E. F. (Edward Frederick), 1819-1860
- Kelaher, Brendan P
- Kelch, Dean G
- Kelche, Christian
- Kelchner, Scot A
- Kelecom, Alphonse
- Keleher, Gloria Maria
- Keleher, James J
- Keleher, James J., 1926-
- Kelemen, András
- Kelemen, Krisztina
- Kelen, Eva Maria Antônio
- Kelestemur, Gülüzar Tuna
- Kelh, H R
- Kelham, Brigadier‐general H R