- Potter, Sam
- Potter, Samuel O. L. (Samuel Otway Lewis), 1846-1914
- Potter, T. Chalmers (Thomas Chalmers), 1854-
- Potter, Theodore, 1861-1915
- Potter, Thomas F.
- Potter, Thomas Rossell.
- Potters Of Baraboo,
- Potters Of Garry-Nee-Dule,
- Potterton, Tony
- Pottie, J J
- Pottier, Gilles
- Pottier, Jacques
- Pottier.
- Pottier-Alapetite, Germaine
- Potties, John
- Pottin, Karen
- Potting, Roel
- Pottinger, James E.
- Pott-Leendertz, Reno
- Pottorff, Charly
- Potts, Allen.
- Potts, Brad M
- Potts, Brittney N.
- Potts, C. G.
- Potts, C. G. (Carl Grady), 1889-
- Potts, Donald C
- Potts, Edward
- Potts, F. A. (Frank Armitage)
- Potts, Geo
- Potts, George.
- Potts, Hugh E
- Potts, J.
- Potts, J. W.
- Potts, John fl 1840-1854
- Potts, John Richard.
- Potts, Katy
- Potts, Leslie J
- Potts, M. F.
- Potts, P M
- Potts, R W L
- Potts, Robert
- Potts, Robert W L
- Potts, Roy C. (Roy Chester), 1881-
- Potts, Roy Chester, 1881-
- Potts, Simon
- Potts, T. H. (Thomas Henry), 1824-1888
- Potts, W H
- Potts, W T W
- Potts, Wendy
- Potts, William John
- Potts, William, 1838-1908
- Pottstock, Hans
- Potuliet, Gerardus,
- Potušek, Sandra
- Potvin, Dominique A.
- Potvin, François 1948-
- Potvin, R. R.
- Potvin, Wim
- Poty, J
- Pötzelsberger, Elisabeth
- Pou, Quim
- Pouchet, F
- Pouchet, F.-A. (Félix-Archimède), 1800-1872
- Pouchet, G. (Georges), 1833-1894
- Poucques, M L De
- Poudyal, Laxman Prasad
- Poudyal, Neelam
- Pouey, Juvêncio
- Pouey, Juvêncio L. O. F.
- Pougens, Charles de, 1755-1833
- Pough, Frederick H.
- Poughkeepsie Nursery Company Inc.
- Poughkeepsie Nursery Company, Inc.
- Pouillet, M. (Claude Servais Mathias), 1790-1868
- Poujade
- Poujade, G-A
- Poujade, Gustave Arthur, 1845-1909
- Poulard, A
- Poulger, G S
- Poulin, Brigitte
- Poulin, Elie
- Poulin, Elie
- Poulin, H. A.,
- Poulin, M.
- Poulin, Ray G
- Poulin, Roger
- Pouliot, Alison
- Pouliot, Daniel
- Pouliot, J. E. (Joseph Elzéar), 1838-1906
- Pouliot, Yvan
- Poullain de Grandprey, Joseph Clément, 1744-1826
- Poulle, M. L.
- Poulsen, A D
- Poulsen, Axel
- Poulsen, Axel Dalberg
- Poulsen, Ben Otto
- Poulsen, Bent Otto
- Poulsen, C M
- Poulsen, C. M. (Christian Marinus), 1818-1885
- Poulsen, Christian
- Poulsen, Christian Marinus, 1818-1885
- Poulsen, Erik M
- Poulsen, M K
- Poulsen, Michael K
- Poulsen, Michael Koie
- Poulsen, V A
- Poulsen, V. A. (Viggo Albert), 1866-1919
- Poulsen, Viggo Albert, 1855-1919
- Poulson, A
- Poulson, Charles A. 1789-1866
- Poulson, Charles A.,
- Poulson, Donald F
- Poulson, Mary
- Poulter, N
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- Poulter, Thomas C
- Poulton, B C
- Poulton, Barry C
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- Poulton, Edward Bagnall, Sir, 1856-1943
- Poulton, Ethel M.
- Poultry Science Association.
- Poumon, E B
- Pouncy, Benjamin Thomas, 1799
- Pound Ridge Nursery,
- Pound, Charles Joseph
- Pound, Ezra, 1885-1972
- Pound, I R
- Pound, Roscoe
- Pound, Roscoe, 1870-1964
- Poundridge Nurseries, Incorporated,
- Pounds, Joseph Alan, 1953-
- Pountougnigni, Oumarou Farikou
- Poupard, James,
- Poupée-Desportes, Jean-Baptiste René, 1704-1748
- Poupin, J.
- Poupion, J
- Pouquet, Alfred.
- Pourmoghaddam, Mohammad Javad
- Pournaras, Ulysses A.
- Pournavab, Rahim Foroughbakhch
- Pourret, Pierre-André, Abbé 1754-1818
- Pourriot, Roger
- Pourtalès, L. F. de (Louis Francois de), 1824-1880
- Pousargues, Eugène de, 1859-1901
- Poussin, Nicolas, 1594?-1665
- Pouteau, Robin
- Poutiers, J M
- Poutiers, Jean-Maurice
- Pouyet, Simone
- Pouzar, Z
- Pouzolz, Pierre Casimir Marie de, 1785-1858
- Povah, A H W
- Poveda Alvarez, L J
- Poveda, Luis J
- Povejsil, Donald J.
- Povh, JA
- Povh, Jayme Aparecido
- Povilitis, Anthony
- Póvoa, CP.
- Póvoa, Marinete Marins
- Povolny, D
- Pow, C S T
- Poway Valley Nurseries.
- Powder, William A
- Powell Nurseries,
- Powell Seed Co.
- Powell Seed Company.
- Powell Seed Store.
- Powell Valley Nursery.
- Powell, A Harriett
- Powell, A M
- Powell, A Michael
- Powell, A. W. B. (Arthur William Baden) 1901-1987
- Powell, Albert
- Powell, Arlie Ancil, 1939-
- Powell, Baden, 1796-1860
- Powell, Bernie
- Powell, Betty,
- Powell, Brian F
- Powell, Burwell B. 1890-
- Powell, C L
- Powell, C Mca
- Powell, C W R
- Powell, C. Bruce
- Powell, Charles
- Powell, Charles L
- Powell, Charles L Ii
- Powell, Charles W. 1854-1927
- Powell, Charlie Roy, 1933-
- Powell, Christopher McA
- Powell, Cynthia J
- Powell, Dan
- Powell, Daniel L.
- Powell, David
- Powell, Douglas S.
- Powell, Dulcie A
- Powell, Dwight.
- Powell, E E
- Powell, E N
- Powell, E. C. (Edwin C.)
- Powell, E. P. (Edward Payson), 1833-1915
- Powell, Earnest H
- Powell, Edwin C.
- Powell, Edwin James, 1853-
- Powell, En
- Powell, Eric A.
- Powell, G. Lawrence.
- Powell, Gareth
- Powell, George Harold, 1872-
- Powell, George Harold, 1872-1922
- Powell, George Harold.
- Powell, George T.
- Powell, George Townsend, 1843-1927
- Powell, George Van Nostrand
- Powell, H P
- Powell, H Philip
- Powell, Harold
- Powell, Harold Clark, 1900-1938
- Powell, I. L.
- Powell, J
- Powell, J E
- Powell, J H
- Powell, J M
- Powell, J R
- Powell, J W
- Powell, Jaime Eduardo.
- Powell, James A.
- Powell, James Wesley.
- Powell, Janine E
- Powell, Jarrod
- Powell, Jeff
- Powell, Jerry A.
- Powell, Jocelyn
- Powell, Jocelyn M
- Powell, John M. 1933-2005
- Powell, John H
- Powell, John Wesley, 1834-1902
- Powell, Jules V., 1919-
- Powell, Kristin G.
- Powell, L
- Powell, L A
- Powell, Larkin A
- Powell, Luke L
- Powell, Luther Ivon, 1878-
- Powell, M A
- Powell, M J
- Powell, M.
- Powell, Martha J
- Powell, Martyn