Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Die Pflanzenwelt Norwegens : ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (1873)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1881)

The pharmacopoeia of another botanical physician - Riddell, William Renwick, 1852 -1945 (Botanical Society of Edinburgh?, 1919)

Physiological botany; I. Outlines of the histology of phaenogamous plants; II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (Ivison, Blakeman, Taylor, 1885)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

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, 1996)

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

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2015)

The Pine barrens of New Jersey : September bulletin, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1929)

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 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, 1883-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1928)

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)

Plant associations of region two : potential plant communities of Wyoming, South Dakota, Nebraska, Colorado, and Kansas - Johnston, Barry C. (USDA Forest Service, Rocky Mountain Region, 1987)

Plant catalogue : orchids, palms, ferns, foliage, and flowering plants, chrysanthemums, hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1894)

Plant flowers and help keep America beautiful - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1918)

Plant life of Alabama, an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown printing co, 1901)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

The plant life of Maryland - Shreve, Forrest, 1878 -1950 (Johns Hopkins Press, 1910)

Plant list of Waterloo County - Montgomery, F. H. (Frederick Howard), 1902 - (1943)

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1917)

Plant relations in North Dakota - Gilmore, Melvin R. (Melvin Randolph), 1868 -1940 (University of North Dakota, 1921)

The plant societies of Chicago and its vicinity - Cowles, Henry Chandler, 1869 -1939 (The Geographic Society of Chicago, 1901)

Plant species of concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2003)

Plant species status summaries - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1999)

The Plant world - Plant World Association. (Plant World Association [etc.], 1897)

The Plant world - Plant World Association. (Plant World Association [etc.], 1902)

The Plant world - Plant World Association. (Plant World Association [etc.], 1905)

The Plant world - Plant World Association. (Plant World Association [etc.], 1914)

Plantae Plandomenses; or, A catalogue of the plants growing spontaneously in the neighbourhood of Plandome, the country residence of Samuel L. Mitchill - Eddy, Caspar Wistar, 1790 -1828 (1807)

Plantae Thunbergianae : ein Verzeichnis der von C. P. Thunberg in Südafrika, Indien und Japan gesammelten und der in seinen Schriften beschriebenen oder erwähnten Pflanzen, sowie von den Exemplaren derselben, die im Herbarium Thunbergianum in Upsala aufbewahrt sind - Thunberg, Carl Peter, 1743 -1828 (A.-b. Akademiska bokhandeln, 1918)

Plantae Wrightianae texano-neo-mexicanae :an account of a collection of plants made by Charles Wright ... - Gray, Asa, 1810 -1888 (Smithsonian Institution, 1852)

Planter's special price list : for fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Maryland Nurseries, 1929)

Planter's special price list : for fall of 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1928)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1926)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1931)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1927)

Planters price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1916)

Planters wholesale price list. Number fifty-two, 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Augustine & Co, 1919)

Planters wholesale price list. Number fifty-four, spring of 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Augustine & Co, 1920)

Plantes vasculaires - Richard, Achille, 1794 -1852 (A. Bertrand, 1845)

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

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Planting guide : 1869-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1955)

Planting guide, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1949)

Planting guide, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1956)

Planting guide 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1958)

Planting guide for 1943 : fruits for food, flowers for courage - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1943)

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 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1946)

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)

Planting home grounds; the beautifying of home grounds by the planting of trees, shrubs, plants and flowers suitable for southern and central Kansas and vicinity - MacDonald, Alfred. (Board of park commissioners, 1924)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1945)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1953)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1954)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1959)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1961)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1962)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1968)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1969)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1974)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1975)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1978)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

Plants collected by Mrs. Joseph Clemens at Fort Sill, Comanche Co., Okla., April-Aug. 1916 - Clemens, Mary Strong, 1873 -1968 (1936)

Plants for every purpose : fall 1924, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1924)

Plants for every purpose : fall 1925, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1925)

Plants observed growing near Hollidaysburg, Pennslvania - Lowrie, Jonathan Roberts, 1823 -1885

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

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 Monroe County, New York, and adjacent territory - Beckwith, Florence. (1896)

Plants of North America - Heller, Amos Arthur, 1867 -1944 (1892)

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)

Plants of Rhode Island : being an enumeration of plants growing without cultivation in the State of Rhode Island - Bennett, James Lawrence, 1832 -1904 (Providence Press, 1888)

Plants of Riding Mountain National Park, Manitoba - Canadian Parks Service. (Research Branch, Agriculture Canada, 1988)

The plants of Southern New Jersey; with especial reference to the flora of the Pine Barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

The plants of Southern New Jersey with especial reference to the flora of the pine barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

A plea for hardy plants, with suggestions for effective arrangement - Elliott, J. Wilkinson. (Doubleday, Page & Company, 1902)

Poisonous outdoor plants - Alberta. Alberta Agriculture; Rural Development. (Alberta Agriculture and Rural Development, 1995)

Poisonous plants of the Midwest - University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture. (Dept. of Landscape Architecture, University of Illinois, 1983)

Pontiac planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1930)

Pontiac planting guide [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1926)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1886)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1887)

Porter-Walton's 1924 seed & nursery book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1924)

Practical botany, structural and systematic, the latter portion being an analytical key to the wild flowering plants, trees, shrubs, ordinary herbs, sedges and grasses of the northern and middle United States east of the Mississippi - Koehler, August (H. Holt and Company, 1876)

Practical floriculture, a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter. (Judd, 1869)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1874)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1882)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd company, 1883)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1879)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd co, 1909)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd co, 1887)

Practical floriculture; a guide to the successful cultivation of florists' plants for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd, 1899)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd co, 1892)

The practical flower garden - Ely, Helena Rutherfurd, 1920 (The Macmillan company, 1911)

The practical guide to floriculture - Rexford, Eben E. (Eben Eugene), 1848 -1916 (F. M. Lupton, 1894)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Practical guide to the wild flowers and fruits - Walton, George Lincoln, 1854 -1941 (J.B. Lippincott company, 1909)

Practical guide to the wild flowers and fruits - Walton, George Lincoln, 1854 -1941 (Lippincott, 1909)

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