- Flowerlands.
- Flowers Of Hawaii, Ltd.,
- Flowers, Hugh
- Flowers, Patrick J.
- Flowers, R. Wills (Ralph Wills) 1948-
- Flowerwood Nursery, Inc.
- Flowerwood Nursery.
- Floy, Michael,
- Floyd Bass Nursery,
- Floyd C. Kaylor and Family (Firm)
- Floyd, A G
- Floyd, Alex
- Floyd, Charles B
- Floyd, Frederick Gillan, 1869-1941
- Floyd, Gary L.
- Floyd, John
- Floyd, Jordan.
- Floyd, Linda
- Floyd, Marcus Lawson.
- Floyd, Michael A.
- Floyd, R B
- Floyd, Sara
- Floyed, Aaron B.
- Fluck, A Richard
- Fluck, R A
- Fluck, W H
- Flückiger, Edw.
- Flückiger, Friedrich A. (Friedrich August), 1828-1894
- Flückiger, Peter F
- Flueck, Werner T.
- Fluetsch, Kimberly M
- Flügel, Erik (Horst Wolfgang), 1934-2004
- Flügel, Felix
- Flügge, Carl, 1847-1923
- Flügge, Johannes 1775-1816
- Fluharty, Lee Wiley, 1884-
- Fluiter, Hendrik Jacob de, 1907-1970
- Fluke, Charles Lewis, 1891-1959
- Fluke, J. M.
- Flükiger, Ernst.
- Fluno, John A. (John Arthur), 1914-
- Fluri, Peter
- Flurry, Katherine
- Flury, Philipp, 1861-1941
- Flushing Dahlia Gardens.
- Flushing Nurseries (Flushing, New York, N.Y.)
- Flushing Nurseries, Inc.
- Flushing Nurseries.
- Fluvial Arctic Grayling Workgroup.
- Fluvial Arctic Grayling Workgroup. Grayling Restoration Technical Advisory Committee.
- Flux, John E. C.
- Flying Cloud Farms.
- Flynn, Adrian J.
- Flynn, Andrea
- Flynn, Duane J
- Flynn, E. J. 1847-1927
- Flynn, John J. (John Joseph), 1955-
- Flynn, Lawrence J. (Lawrence John), 1932-
- Flynn, Máurea Nicoletti.
- Flynn, Nellie F., 1861-1922
- Flynn, Sheila S.
- Flynn, Theodore Thomson 1883-1968
- Flynn, Tim
- Flyr, Lowell David 1937-1971
- Foà, Anna, 1876-1944
- Foà, Edouard, 1862-1901
- Foaden, G. P.
- Foaker, J.
- Foard, Helen J
- Fobbes, W A
- Focardi, Silvano
- Focardi, Stefano
- Focarile, Alessandro
- Focesi Júnior, Aldo
- Fochetti, Romolo
- Fochezato, Júlia
- Focht, Telmo
- Fock, Cornelis.
- Focke, Gustav Woldemar, 1810-1877
- Focke, Wilhelm Olbers, 1834-1922
- Fockeu, Henri.
- Focks, Dana A.
- Foddai, Donatella
- Foden, Wendy
- Foderé, François Emmanuel, 1764-1835
- Fodrie, F Joel
- Foeckler, Francis
- Foelix, Rainer F 1943-
- Foelkel, Ester
- Foelker, Christopher J.
- Foerg, Renate
- Foersch, W
- Foerschler, Marc I
- Foerste, Aug. F. (August Frederic), 1862-1936
- Foerster, Arn. (Arnold), 1810-1884
- Foerster, Emil
- Foerster, F
- Foerster, Fr
- Foerster, John W
- Foerster, Luís Amilton
- Foerster, R. E. 1899-
- Fóes, Geraldo
- Foëx, Gustave Louis Émile, 1844-1906
- Fogaça, Cláudia Martellet
- Fogaça, Fábio Nascimento Oliveira
- Fogaça, João Manuel
- Fogarty, M J
- Fogarty, Nicole D.
- Fogarty, Peter
- Fogašová, Katarína
- Foged, Anne
- Fogel, Martin, 1634-1675
- Fogel, Robert, 1947-
- Fogelsong, L. Earl.
- Fogg, G. E. (Gordon Elliott), 1919-
- Fogg, James L.
- Fogg, John Milton 1898-1982
- Foggi, Bruno
- Foggin, J Marc
- Foggitt, Graham T
- Fogle, H. W.
- Fogle, O. P.
- Fogle's Nursery.
- Fogliatto, Silvia
- Foglio, Mary A.
- Fogy, Dorothea
- Fohrman, M. H. (Milton Henry), 1886-
- Foieri, Alvaro
- Foiles, Marvin W.
- Foin, Theodore C.
- Foissner, Wilhelm
- Foitzik, Susanne
- Fojtikova, Anna
- Fokke, Simon, 1712-1784
- Fokkens, F. (Fokko), 1873-1961
- Fokker, Abraham Jacobus Frederik, 1857-1929
- Fokkinga, A
- Fokoua, Arnaud M Tchassem
- Fol, Hermann, 1845-1892
- Folb, Reece.
- Folch i Guillèn, Ramon
- Folcik, Alexandra M.
- Foldats, Ernesto
- Foldi, Imre
- Földvary, Gabor Zoltan
- Foldynova, Silvie
- Foley Gardens,
- Foley Greenhouse Mfg. Co.
- Foley, A W.
- Foley, Cathy
- Foley, D H
- Foley, David A
- Foley, Edward W.
- Foley, Evelyn
- Foley, F. B.
- Foley, George L.
- Foley, James A., 1882-
- Foley, James O
- Foley, John, 1880-
- Foley, K
- Foley, Karen M
- Foley, Michael James Yates
- Foley, Michael P.,
- Foley, S
- Foley, William
- Folgarait, Patricia J.
- Folger, Harry Thomas
- Folger, John Clifford, 1890-
- Folguera, Guillermo
- Foli, Gary
- Folin, Léopold
- Folin, Leopold de 1818-1896
- Folinas, Helen
- Folino-Rorem, Nadine
- Folinsbee, John D.
- Folinsbee, Kaila E
- Foljambe, Alice, 1880-1922
- Foljambe, T. H.,
- Folk, Ryan
- Folkard, Henry Coleman, 1827-1914
- Folkard, Richard.
- Folkema, Jacob, 1692-1767
- Folkens, Pieter A.
- Folkerts, Debbie Rymal
- Folkerts, George W.
- Folkerts, Robert
- Folkes, Martin, 1690-1754
- Folkestone Natural History & Microscopical Society.
- Folkestone Natural History Society.
- Folkmar, Daniel, 1861-
- Follak, Swen
- Folle, Fabrício Alexandre
- Follegati, Renzo
- Follen, Charles.
- Follen, Don G.
- Follett, Brian K
- Follett, Dick.
- Follett, Wilbur Irving 1901-1992
- Folli, Domingos Antônio
- Folliard, Lee B.
- Follmann, Erich H.
- Follmann, Otto
- Follwell, Percy S.
- Folly, Evelize
- Folly, Manuella
- Folly-Ramos, Elaine
- Fölsch, Detlef W.
- Folse, J. A. (Julius Audrey)
- Folse, Leon J
- Folsom, Donald, 1891-
- Folsom, James P.
- Folsom, Josiah C. (Josiah Chase), 1888-
- Folsom, Justus Watson, 1871-1936
- Folsom, Michael W.
- Folsom, Susanna Sarah McKean, 1805-1887
- Folsom, Theodore Robert, 1908-1989
- Folsom, William B.
- Foltz, David Wendell
- Folwaczny, Bronislaw
- Folz, Hans, ca 1440-1513
- Folzenlogen, John N
- Fomichev, Alexander Anatol'evich
- Fomin, A. V. 1869-1935
- Fomin, Anette
- Fominykh, Dmitriy
- Fonahn, Adolf Mauritz, 1873-
- Fonck, Erika
- Fonck, Francisco
- Fonda Umani, Serena
- Fondation suisse d'orchidées.
- Fondell, Thomas F
- Fondi, Roberto, 1943-
- Fondul Vasilie Adamachi.
- Fone, Margareth L A
- Fones, Gary
- Fong G., Ansel
- Fong Wan Herb Company
- Fong, Ian
- Fong, Joyce
- Fong, Peter P.
- Fonnegra, Ramiro
- Fons, Roger
- Fons, W. L.
- Fonseca Andrade-Vieira, Larissa
- Fonseca Benevides, Ignacio Antonio da, 1788-1857
- Fonseca Filho, Olympio da, 1895-
- Fonseca Juárez, Rosa María
- Fonseca Kruel, Viviane Stern da, 1971-
- Fonseca Neto, José Claro da
- Fonseca Zamora, Oscar