Les plantes des montagnes et des rochers, leur acclimatation et leur culture dans les jardins - Correvon, Henry 1854 -1939 (L'auteur; [etc., etc.], 1914)

Les plantes vasculaires rares du Canada : notre patrimoine naturel - Argus, George W. (George William) (Programme des plantes rares et menacées, Musée canadien de la nature, 1990)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1952)

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

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1980)

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

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

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 collected by M.A. Barber, 1903 - Barber, M. A. (Marshall Albert), 1868 -1953 (1903)

Plants for rock gardens grown by the Poughkeepsie Nursery Company, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poughkeepsie Nursery Company, Inc, 1933)

Plants from the Swauk - Sharples, Stephen Paschall, 1842 -1923 (1913)

Plants of A.J. Ostheimer - Ostheimer, Alfred James, 1908 -1983 (1927)

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

Plants of James' Bay collected by David Potter - Potter, David, 1894 -1967 (1929)

Plants of Labrador and Baffin Land coll. C.S. Sewall, 1927-'28 - Sewall, Charles Summers, 1875 -1957 (1927)

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 Mississippi : a list of flowering plants and ferns - Lowe, E. N. (Ephraim Noble), 1864 -1933 (Mississippi State Geological Survey, 1921)

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

Plants of Monroe County, New York, and adjacent territory : second supplementary list - Baxter, Milton S. (Rochester Academy of Science, 1917)

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

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)

Plants of the Arizona chaparral - Carmichael, R. S. (Robert S.) (Rocky Mountain Forest and Range Experiment Station, 1979)

Plants of the Seven Devils Mountains of Idaho : an annotated checklist - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987)

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

Plants of west-central Montana : identification and ecology : annotated checklist - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986)

Plants of Yellowstone National Park - McDougall, W. B. (Walter Byron), 1883 - (U.S. Govt. Print. Off, 1936)

A pocket synopsis of the families of British flowering plants : (based upon the system of Engler) - Grove, W. B. (William Bywater), 1848 -1938 (University Press, 1915)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

A popular flora of Denver, Colorado - Eastwood, Alice, 1859 -1953 (Zoe Publishing Company, 1893)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

Popular rock and alpine plants - Cotter, James Laurence (Blake and mackenzie, 1921)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1886)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1887)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1898)

Population ecology of mule deer with emphasis on potential impacts of gas and oil development along the east slope of the Rocky Mountains, northcentral Montana - United States. Bureau of Land Management. (The Dept.?, 1982)

The Portland catalogue of Maine plants - Portland Society of Natural History (Me.) (Portland society of natural history, 1892)

The Portland catalogue of Maine plants - Portland Society of Natural History (Me.) (Transcript Print, 1868)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1947)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1932)

The potential and current vegetation of the Sun River Game Range - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish, Wildlife and Parks, 1980)

Potted rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1946)

Potted rock plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1930)

Powderhorn wilderness management plan/area analysis, implementation schedule, environmental assessment, and finding of no significant action/decision record - United States. Forest Service. (U.S. Department of the Interior, Bureau of Land Management, Gunnison Resource Area, 1995)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

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, 1822 -1890 (O. Judd co, 1887)

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 (Lippincott, 1909)

Preliminary catalog of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

Preliminary catalogue of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)

Preliminary catalogue of the flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1892)

A preliminary catalogue of the flowering plants and higher cryptogams growing without cultivation within thirty miles of Hanover, N.H., to which is appended a list of the vertebrates of the same region - Jesup, Henry G. (Henry Griswold), 1826 -1903 (N.A. McClary, 1882)

Preliminary classification of native wheat grass (Agropyron spp.) community types in Alberta - Alberta. Alberta Environment. (Geowest Environmental Consultants Ltd, 2001)

A preliminary classification of plant communities in the central Parkland natural sub-region of Alberta - Alberta. Alberta Sustainable Resource Development. (Geowest Environmental Consultants Ltd, 2002)

A preliminary classification of the plant communities of northeastern Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

A preliminary classification of the Rocky Mountain shrubland communities of Alberta - Alberta. Alberta Environment. (Alberta Environment, 2000)

Preliminary list of plants of the Metropolitan Park Reservations - Massachusetts. Metropolitan Park Commission. (1894)

Preliminary list of the plants growing without cultivation in Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (1880)

A preliminary list of the plants of New Brunswick - Fowler, James, 1829 -1923 (Ellis, Robertson & Co, 1885)

A preliminary list of the vascular flora of Allegheny County, Pennsylvania - Shafer, John Adolph, 1863 -1918 (Carnegie Institute Museum?, 1901)

A preliminary list of the vascular plants of the Lackawanna and Wyoming valleys - Dudley, William Russel, 1849 -1911 (The Republican Press, 1887)

Preliminary plant associations of the Southern Oregon Cascade Mountain province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, Siskiyou National Forest, 1990)

Preliminary report of the United States Geological Survey of Montana, and portions of adjacent territories : being a fifth annual report of progress - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1872)

A preliminary report on the biology of Harding County, northwestern South Dakota - Visher, Stephen Sargent, 1887 -1967 (State Publishing Co, 1914)

Premium hardy perennial plants for fall '41, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1941)

Presettlement vegetation of southern Beaverhead County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1997)

Price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1933)

Price list 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1933)

Price list 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1934)

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

Price list, fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1927)

Price list : fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1931)

Price list of hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1891)

Price list of native ferns, wild flowers : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1924)

Price-list of native ferns, wild flowers : 1924[-7] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1927)

Price-list of native ferns, wild flowers : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1928)

Price list, selected alpine and succulent rockery plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Hyde Co, 1934)

Price list, spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1929)

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

Price list, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1930)

Price list : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1931)

Price list : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1932)

Price list, spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Incorporated, 1934)

Price list, spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Incorporated, 1936)

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

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

Principal range plants of the central and southern Rocky Mountains : names and symbols - Nickerson, Mona F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976)

Principles of plant physiology - Raber, Oran, 1893 -1940 (The Macmillan Co, 1938)

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

Proceedings - Nova Scotian Institute of Science. (1866)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1970)