Pamphlets on forestry in Massachusetts (1900)

Pamphlets on forestry in Texas (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1979)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1990)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1994)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 2000)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1877)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1863)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Pathologische Pflanzenanatomie. In ihren Grundzügen - Küster, Ernst, 1874 -1953 (G. Fischer, 1916)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pests not known to occur in the United States or of limited distribution. no.64, A curculionid weevil - Whitehead, Donald R. (United States Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 1985)

Peter's perennial and other plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1909)

Pflanzenbiologische Untersuchungen : nebst algologischen Schluszbemerkungen - Hansgirg, Antonin, 1854 -1917 (Alfred Hölder, 1904)

Pflanzenwachstum und Kalkmangel im Boden : Untersuchungen über den Einfluss der Entkalkung des Bodens durch Hüttenrauch und über die giftige Wirkung von Metallverbindungen auf das Pflanzenwachstum - Wieler, A. (Arwed), 1858 - (Gebrüder Borntraeger, 1912)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1911)

Phasmid studies - Phasmid Study Group. (Phasmid Study Group, 1995)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2001)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2003)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2007)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2008)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2014)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2015)

Phylloxera vastatrix. Enquête de l'Académie des Sciences, pendant les années 1873 à 1878. Recueil de documents - Académie des sciences (France) (Gauthier-Villars, 1879)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1906)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1984)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2009)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2016)

Phytoneuron (Guy L. Nesom, 2017)

Phytoneuron (Guy L. Nesom, 2010)

Phytoneuron (Guy L. Nesom, 2020)

Picture of organized nature, in its spreading over the earth (Smith, 1828)

Plain and pleasant talk about fruits, flowers and farming - Beecher, Henry Ward, 1813 -1887 (Derby & Jackson, 1859)

Plant bugs on fruit crops in Canada : Heteroptera: Miridae - Kelton, Leonard A. (Research Branch, Agriculture Canada, 1982)

The plant disease reporter - United States. Bureau of Plant Industry. (Bureau of Plant Industry, U.S. Dept. of Agriculture, 1942)

Plant diseases in West Virginia in 1928 - Archer, W. Andrew (William Andrew), 1894 -1973 (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1929)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant explorations : ornamentals in the Netherlands, West Germany, and Belgium - Meyer, Frederick G. 1917 -2006 (Agricultural Research Service, U.S. Dept. of Agriculture, 1963)

Plant health care for woody ornamentals : a professional's guide to preventing and managing environmental stresses and pests - International Society of Arboriculture. (Cooperative Extension Service, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, 1997)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plant lists : China - Metcalf, Franklin P. (Franklin Post), 1892 -1955 (1924)

Plant materials : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1924)

Plant materials, 1925 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1925)

Plant materials, 1926 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1926)

Plant pathological investigation in the United States - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1950)

Plant pathological investigation in the United States II - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1950)

Plant physiology - Hopping, Aleita, 1890 - (P. Blakiston's Son & Co, 1918)

Plant physiology; authorized English translation by R. J. HarveyGibson; supplement incorporating the alterations of the 2d ed. of the German original - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1913)

Plant physiology - Maksimov, N. A. (Nikolai Aleksandrovich), 1880 -1952 (McGraw-Hill, 1938)

Plant responses to salinity : a supplement to an indexed bibliography - Francois, L. E. (National Technical Information Service], 1985)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1942)

Planting guide and catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hartschen Nursery and Landscaping Service, 1951)

Planting guide for 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1944)

Planting guide for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1945)

Planting guide for fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1947)

Planting guide for spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1947)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1950)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1957)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1958)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1964)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1967)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1970)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1971)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1973)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1983)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1984)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1988)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1989)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1992)

Plants as a guide to mineralization - Carlisle, Donald. (1958)

Plants for California landscapes : a catalog of drought tolerant plants - California. Department of Water Resources. (State of California, Resources Agency, Dept. of Water Resources, 1979)

Plants for Idaho gardens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1934)

Plantsman - New Hampshire Plant Growers' Association. (1996)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)