Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1991)

Plants not listed in catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wolcott Nurseries, 1926)

The plants of Michigan; simple keys for the identification of the native seed plants of the state - Gleason, Henry A. (Henry Allan), 1882 -1975 (G. Wahr, 1918)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Plant Research Institute, Research Branch, Canada Dept. of Agriculture, 1960)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Research Branch, Agriculture Canada, 1985)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

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

Plantsman - New Hampshire Plant Growers' Association. (1999)

Pollen studies in the Crusoe Lake area of prehistoric Indian occupation - Cox, Donald D. (University of the State of New York, 1965)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Popular field botany; containing a familiar and technical description of the plants most common to the various localities of the British Isles, adapted to the study of either the artificial or natural systems - Catlow, Agnes, 1807? -1889 (Reeve, Benham, and Reeve, 1848)

Popular science news, formerly Boston journal of chemistry. A popular illustrated monthly devoted to the progress in zoology, botany, mineralogy, archaeology, hygiene, invention, with related physical sciences and general scientific information - Agassiz Association. (J.R. Nichols & co. [etc.], 1866)

Popular Science Review (1865)

Popular Science Review (1877)

Portland Seed Company's Catalog and seed annual for 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1926)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

A practical course in botany : with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American Book Company, 1911)

A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation - Lloyd, Francis Ernest, 1868 -1947 (American book company, 1911)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (The Bullard company, 1912)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (Williams Bookstores Co, 1916)

Practical hints for the field lepidopterist. I - Tutt, James William, 1858 -1911 (E. Stock, 1908)

Preservation of natural features and scenic views in New York City - Clarke & Rapuano. (The Department, 1974)

Price list - Eastern Nurseries. (Eastern Nurseries, 1908)

Price list - Eastern Nurseries. (Eastern Nurseries, 1909)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Incorporated, 1937)

Price list , 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1929)

Price list , 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1930)

Price list : 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1930)

Price list , 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1934)

Price list 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1935)

Price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1936)

Price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1937)

Price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1938)

Price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1938)

Price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1940)

Price list, autumn 1938 spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1938)

Price list effective December 10, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrell's Aquatic Farms & Nurseries, 1930)

Price list, effective February 16, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrell's Aquatic Farm, 1928)

Price list effective March 15, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrell's Aquatic Farms and Nurseries, 1929)

Price list : fall, 1915-spring, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry S. Dawson, 1915)

Price list : Fall, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1923)

Price list, fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1932)

Price list, fall 1933-spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1933)

Price list, fall 1934-spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1934)

Price list for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1936)

Price list, hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1951)

Price list, hardy plants, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1951)

Price list of choice hardy New England grown trees, shrubs and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Der Voet Nursery, 1936)

Price list of Eastern Nurseries : Fall, 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1921)

Price list of Eastern Nurseries, Inc. : Fall, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1926)

Price list of Eastern Nurseries, Inc. : fall, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : fall, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1928)

Price list of Eastern Nurseries, Inc. : season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1931)

Price list of Eastern Nurseries, Inc. : Spring, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1926)

Price list of Eastern Nurseries, Inc. : spring, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : spring, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1928)

Price list of Eastern Nurseries, Inc. : spring, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1929)

Price list of Eastern Nurseries, Inc. : spring, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1930)

Price list of Eastern Nurseries, Incorporated : Fall, 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1922)

Price list of Eastern Nurseries, Incorporated : Fall, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1924)

Price list of Eastern Nurseries, Incorporated : Fall, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1925)

Price list of Eastern Nurseries, Incorporated : Spring, 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1922)

Price list of Eastern Nurseries, Incorporated : Spring, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1924)

Price list of Eastern Nurseries, Incorporated : Spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1925)

Price list of evergreen and deciduous trees, shrubs, vines and ground covers, and of hardy herbaceous perennials offered for sale : spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1920)

Price list of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Co, 1927)

Price list of the American Nursery Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Co, 1926)

Price list of trees, flowering shrubs, evergreens, perennials, alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jerry Brookins & Son, 1930)

Price list [of] trees, shrubs, evergreens, vines, roses, herbaceous perennials : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1928)

Price list of trees, shrubs, vines, and herbaceous plants, 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1909)

Price list : Spring, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1923)

Price list : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1925)

Price list, Spring 1929 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1929)

Price list, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1941)

Pricelist of hardy perennials and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Terrell's Aquatic Nurseries, 1933)

Priest Lake noxious weed control project : draft environmental impact statement - Idaho Panhandle National Forests. (U.S. Dept. of Agriculture, Northern Region, Idaho Panhandle National Forests, Priest Lake Ranger District, 1996)

Priest Lake noxious weed control project : final environmental impact statement - Priest Lake Ranger Dristrict (Idaho) (USDA, Forest Service, Northern Region, Idaho Panhandle National Forests, Priest Lake Ranger District, 1996)

Prince's annual catalogue of fruit and ornamental trees and plants : cultivated and for sale at the Linnaean Botanic Garden & Nurseries, Flushing, Long Island, near New-York. All orders are to be addressed only to Wm. R. Prince & Co. only, no other resident of Flushing being authorized to receive any orders whatever for this establishment - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1841)

Prince's descriptive catalogue of fruit and ornamental trees, shrubbery, vines and plants, cultivated and for sale at the great original establishment, Prince's Linnaean Botanic Garden and Nurseries, Flushing, Long Island, near New-York - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1844)

Prince's select catalogue of roses, bulbous flowers, dahlias, herbaceous flowering plants, etc - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1854)

Princeton Nurseries, Princeton, New Jersey [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1928)

Principia botanica: or, A concise and easy introduction to the sexual botany of Linnaeus ... Arranged in a tabular form, under each class and order; and digested alphabetically under several generic distinctions. Together with three indexes ... Also a table of several vegetable drugs not in the indexes ... - Darwin, Robert Waring, 1724 -1816 (Printed and sold by M. Hage; [etc., etc.], 1810)

Prírodopis prostonárodni : cili popsání zwírat, rostlin a nerostu : wedlé tríd a rádu jejich - Stanka, Wáclawa. (W kommissi u Kronbergra a Riwnáce, 1843)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1913)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1916)

Problem analysis for the Vegetation Diversity Project : a research and demonstration program to restore and maintain native plant diversity on deteriorated rangelands of the Great Basin and Columbia Plateau - United States. Bureau of Land Management. (Bureau of Land Management, Oregon State Office, 1993)

Problems of evolution - Headley, F. W. (Frederick Webb), 1856 -1919 (Duckworth, 1900)

Proceedings - University of Illinois at Urbana-Champaign. College of Agricultural, Consumer; Environmental Sciences. (University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences, University of Illinois Extension, 2002)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1969)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1978)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1980)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1987)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1922)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1947)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1953)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1959)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1962)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1965)

Proceedings : National Wilderness Research Conference, current research, Fort Collins, CO, July 23-26, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, 1986)

Proceedings of the annual convention of the society of American Florists - Society of American Florists; Ornamental Horticulturists. (Society of American Florists and Ornamental Horticulturalists, 1885)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1930)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1954)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1956)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1960)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1965)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1967)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1953)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1954)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1959)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1964)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1970)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1865)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1987)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1996)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1986)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2005)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2006)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1860)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1864)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1914)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1879)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1887)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1905)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1919)