- Hogeboom, T
- Hogendoorn, Katja
- Höger, Lars-Olaf
- Hogetsu, T
- Hogeweg, Laurens
- Hogewoning & Sons Inc.
- Hogg, Archibald
- Hogg, Brian
- Hogg, E G
- Hogg, Edward H.
- Hogg, Evelyn G
- Hogg, G H
- Hogg, H E
- Hogg, H H
- Hogg, H R
- Hogg, Henry Roughton.
- Hogg, Ian
- Hogg, J
- Hogg, Jabez, 1817-1899
- Hogg, James, 1814-1889
- Hogg, James.
- Hogg, John
- Hogg, Robert, 1818-1897
- Hogg, S A
- Hogg, Thomas, 1771-1841
- Hoggan, Frances Elizabeth
- Hoggan, George
- Hoggard, Ronald K
- Hoggard, Wayne
- Hoggarth, M A
- Hoggren, Mats.
- Høgholen, Even
- Hogie, Luc
- Hogner, Nils, 1893-1969
- Hogrefe, H H
- Hogsette, J. A. (Jerome Adkins), 1945-
- Hogshead's Nurseries.
- Hogstad, O
- Hogstad, Olav
- Högström, Anette E S
- Högström, Pehr, 1714-1784
- Hogue, C L
- Hogue, Charles L.
- Hogue, Charles L.
- Hogue, Charles Leonard.
- Hogue, Eugene J.
- Hogue, Gabriela
- Hogue-Kellogg Seed Co.
- Hoh, Daphne
- Hoh, L.
- Hoham, R W
- Hohe, Nicolaus Christian, 1798-1868
- Hohenacker, R. Fr 1798-1874
- Hohenacker, R. Fr. (Rudolf Friedrich), 1798-1874
- Hohenegger, Johann
- Hohenester, Adalbert
- Hohenlohe, P A
- Hohenstein, Adolph.
- Hohenstein, Clyde Gilbert.
- Hohl, Hans R
- Hohl, Leonora A. (Leonora Anita), 1909-
- Hohl, LSL
- Hohlweck, Daniel
- Hohman, Elmo Paul, 1894-
- Hohman, H. J.
- Hohman, William L
- Hohmann, G
- Hohmann, Ulf
- Höhmann-Kröger, Hella
- Höhn, E. O.
- Hohn, Janet E
- Höhne, W
- Höhne, Walther
- Höhnel, Franz, Ritter von, 1852-1920
- Höhnel, Ludwig, Ritter von, 1857-1942
- Hohnen, Review By: Caroline
- Hohner, Michael
- Hohnwald, Stefan
- Hohorst, Behrend
- Høiland, K
- Hoisaeter, Tore
- Hoisington, Greg
- Höjer, Axel.
- Hojer, L. M.
- Höjer, Lorentz Magnus, 1726-1758
- Hojiro, Eiichi
- Hojjati, F
- Hojjati, Fatemeh
- Hojniak, Marek
- Hojo, Renê Eiji Souza
- Hojsgaard, Diego Hernán
- Hojun, Song
- Hokama, Y
- Hokama, Yoshitsugi
- Hokanson, Stan C.
- Hokche, Omaira
- Hoke, E
- Hoke, Frieda
- Hoke, G
- Hoke, Gail.
- Hoke, Jeff
- Hoke, O. W.
- Hokkaido (Japan). Marine Products Division.
- Hokuō.
- Hokutan, Kanani
- Holabird, William H.
- Holah, J.C.
- Holanda, Ana Sofia Sousa de
- Holanda, F. C. A. F.
- Holanda, Márjory L.
- Holanda, Rafael De Jesus
- Holanda, TG.
- Holanda, V L
- Holandre, François
- Holbach, E. Gertrude
- Holbach, Paul Henri Thiry, baron d', 1723-1789
- Holbein, Hans, 1497-1543
- Holben, William E.
- Holberton, Rebecca L
- Holberton, Wakeman.
- Holbery, Peter
- Holbery, Suzanne
- Holbo, H Richard
- Holboell, Carl.
- Holbøll, Carl, 1795-1856
- Holbourn, Ann
- Holbrook, A E
- Holbrook, C. Tate
- Holbrook, F R
- Holbrook, Frederick Montgomery.
- Holbrook, Herman L.
- Holbrook, John Edwards, 1794-1871
- Holbrook, Josiah.
- Holbrook, L T
- Holbrook, Luke.
- Holbrook, M J L
- Holbrook, N M
- Holbrook, N Michele
- Holbrook, N. Michele
- Holbrook, Sally J.
- Holcman, B
- Holcomb, Chauncey P.
- Holcomb, Irving.
- Holcomb, Larry C
- Holcomb, Leon C.
- Holcomb, Mike L
- Holcomb, R
- Holcombe, Allen Anderson, 1850-1920
- Holcroft , Anne C.
- Holcroft, Lorelle
- Holdaway, Robert J.
- Holden Musser, Mary Ellen.
- Holden, Brien
- Holden, Charles F.
- Holden, Dand
- Holden, David
- Holden, George Henry, 1848-1914
- Holden, George Kenyon 1808-1874
- Holden, George Parker. 1869-
- Holden, Henry Smith
- Holden, Isaac
- Holden, Isaac, 1832-1903
- Holden, J C
- Holden, James
- Holden, James A.
- Holden, John C
- Holden, Joseph T.
- Holden, Luther, 1815-1905
- Holden, Luther.
- Holden, Mary Ellen
- Holden, Mary Ellen.
- Holden, N E
- Holden, P. G. (Perry Greeley), 1865-1959
- Holden, Richard
- Holden, Ruth
- Holden, S., active 1834-1849
- Holden, Ward A.
- Holden, Wendy
- Holden, William.
- Holdenried, J
- Holder, Ayanda
- Holder, Charles Frederick, 1851-1915
- Holder, H
- Holder, Joseph B. (Joseph Bassett), 1824-1888
- Holder, Mark
- Holder, Matt
- Holder, Monte W
- Holder, Ralph Clifton, 1895-
- Holder, Samuel W
- Holderegger, Rolf
- Holder-Franklin, Maxine A.
- Holderied, Marc
- Holderman, James B. 1936-
- Holdermann, David
- Holderman-Salinas, Alison
- Holderness, Ted
- Holdgate, G R
- Holdgate, Martin W.
- Holdhaus, K
- Holdhaus, Karl
- Holdich, D M
- Holdich, David
- Holdom, Martin W. 1884-1972
- Holdren, C E
- Holdridge Farm Nursery (Ledyard, Conn.),
- Holdridge, Abby
- Holdridge, L R
- Holdridge, S. E.
- Holdsworth, B K
- Holds-Worth, E W H
- Holdsworth, E. W. H. (Edmund William Hunt), 1829-1915
- Holdsworth, M
- Holdsworth, Muriel Gertrude
- Holdworth, E W H
- Hole, A.
- Hole, Erling, 1899-
- Hole, Erling.
- Hole, K
- Hole, R. S.
- Hole, S. Reynolds (Samuel Reynolds), 1819-1904
- Holec, J
- Holec, Jan
- Holec, Michal
- Holec, Peter.
- Holecová, Milada
- Holeik, Juraj
- Holeksa, Jan
- Holeman, James R
- Holeman, John.
- Holer, Tomáš
- Holeski, P M
- Holetschek, Johann
- Holetschek, Jörg
- Holewa, Hamish
- Holford, J.
- Holgado, Miriam G.
- Holguin, Leo
- Holguín, Oscar
- Holicer, Ethan
- Holick, Juraj
- Holicová, Tereza
- Holiday Nursery,
- Holiday, Susan
- Holik, O
- Holik, Otto Karl
- Holl, Anne-Catherine
- Holl, Friedrich.
- Holl, H B
- Holl, Karen
- Holl, Karen D