The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1857)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1860)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1861)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2010)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

Le piante vascolari raccolte dal Rev. P.C. Silvestri nell'Hu-peh, durante gli anni 1904-1907 (e negli anni 1909, 1910) - Silvestri, Cipriano. (Pellas, 1911)

The pictorial flora; or, British botany delineated, in 1500 lithographic drawings of all the species of flowering plants indigenous to Great Britain; illustrating the descriptive works on English botany by Sir J.E. Smith, Lindley, Hooker, Withering, and other authors - Jackson, Mary Ann (Longman, Orme, Brown, Green, and Longmans, 1840)

Pierre Pena et Mathias de Lobel - Legré, Ludovic, 1838 -1904 (H. Aubertin & G. Rolle, 1899)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1933)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1936)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1934)

Pigford Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1932)

Pigford Nurseries, 1928-29 season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1928)

Pigford Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pigford Nurseries, 1931)

Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptins, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H. G. Bohn, 1875)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptions, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H.G. Bohn [etc.], 1880)

Pioneer Nursery of Monrovia : 1876-1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1927)

Pioneer Nursery of Monrovia : [catalog] 1876-1925, forty-nine years experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1925)

Pioneer Seed House, nursery & greenhouse of the Northwest, 1883-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1928)

Pioneer Seed House, nursery & greenhouse of the Northwest, 1883-1931 : 48th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1931)

Pioneer Seed House, nursery & greenhouse of the Northwest, 1883-1929 : 46th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1929)

Pioneer Seed House, Nursery and Greenhouses of the Northwest, seed corn specialists : 1883-1932, 49th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1932)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1912)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1910)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1911)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1916)

P.J. Berckmans Co., Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1915)

P.J. Berckmans Co., Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1913)

P.J. Berckmans Co., Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1914)

P.J. Berckmans Co. Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1917)

A plain and easy account of the British fungi : with descriptions of the esculent and poisonous species, details of the principles of scientific classification, and a tabular arrangement of orders and genera - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (1866)

A plain and easy introduction to the knowledge and practice of gardening, with hints on fish-ponds - Marshall, Charles, 1818 (Printed for F. C. and J. Rivington [etc.] by Law and Gilbert, 1813)

The planning & planting of little gardens - Dillstone, George. ("Country life," ltd, 1920)

"Plant America" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1959)

"Plant America" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1958)

Plant aristocrats of New England, 1849-1939, ninetieth anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Adams Nursery, Inc, 1939)

Plant care (Taunton Press, 1994)

Plant cottage gardens' lining-out stock : a profitable, safe investment! : make this green stuff grow! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1958)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant disease Fungi - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1925)

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 immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1914)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1916)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1917)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1919)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1924)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1926)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1928)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1931)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1938)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1940)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1941)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)