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The Laramie flora of the Denver basin. With a review of the Laramie problem - Knowlton, Frank Hall, 1860 -1926 (Govt. print. off, 1922)

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Late Quaternary vegetation history of the Yellowstone Lake Basin, Wyoming - Geological Survey (U.S.) (U.S. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1976)

Le chang zhi wu zhi - Chen, Bangyu. (shi jie tu shu chu ban gong si, 2005)

Leaflets - Brooklyn Botanic Garden. (1924)

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Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1953)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1959)

Leaves and flowers; or, Object lessons in botany - Wood, Alphonso, 1810 -1881 (A.S. Barnes & co, 1870)

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1934)

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1936)

Lectures on the evolution of plants (The Macmillan Co, 1899)

Lectures on the evolution of plants (The Macmillan company, 1899)

Lehrbuch der Botanik für Hochschulen - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1911)

Lehrbuch der Botanik; für höhere Lehranstalten und die Hand des Lehrers, sowie für alle Freunde der Natur. Unter besonderer Berücksichtigung biologischer Verhältnisse bearb. von Otto Schmeil - Schmeil, O. (Otto), 1860 -1943 (Quelle & Meyer, 1911)

Lehrbuch der Botanik für höhere Lehranstalten und die Hand des Lehrers - Schmeil, O. (Otto), 1860 -1943 (E. Nägele, 1903)

Lehrbuch der Botanik; nach dem Gegenwärtigen Stand der Wissenschaft - Frank, Albert Bernhard, 1839 -1900 (W. Engelmann, 1892)

Lehrbuch der Paläobotanik - Potonié, H. (Henry), 1857 -1913 (Borntraeger, 1921)

The Lepidoptera of New York and neighboring states, primitive forms Microlepidoptera, Pyraloids, Bombyces - Forbes, William T. M. (William Trowbridge Merrifield), 1885 -1968 (Cornell Univ, 1920)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

The Lepidopterists' Society, commemorative volume, 1945-1973 - Clench, Harry K. (The Society, 1945)

Lessons in botany - Atkinson, George Francis, 1854 -1918 (Holt, 1900)

The letters of Rusticus on natural history - Newman, Edward, 1801 -1876 (J. Van Voorst, 1849)

The letters of Rusticus on the natural history of Godalming. Extracted from the Magazine of natural history, the Entomological magazine, and the Entomologist - Newman, Edward, 1801 -1876 (Printed for John Van Voorst, 1849)

Lexicon generum phanerogamarum inde ab anno MDCCXXXVII : cum nomenclatura legitima internationali et systemate inter recentia medio - Post, Thomas Erik von, 1858 -1912 (Deutsche verlags-anstalt, 1904)

The life of the Pleistocene or glacial period, as recorded in the deposits laid down by the greatice sheets - Baker, Frank Collins, 1867 -1942 (Pub. by the University of Illinois under the auspices of the Graduate School, 1920)

lin ye diao cha shou ce 林野调查手册 - zhong yang ren ming zheng fu lin ye bu 中央人民政府林业部 (zhong yang ren ming zheng fu lin ye bu 中央人民政府林业部, 1952)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1878)

A list of plants growing without cultivation in Franklin, Hampshire and Hampden Counties, Massachusetts - Stone, George E. (George Edward), 1860 -1941 (Carpenter & Morehouse, 1913)

A list of plants growing without cultivation in Franklin, Hampshire and Hampden counties, Massachusetts - Stone, George E. (George Edward), 1860 -1941 (Carpenter & Morehouse, 1913)

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List of specimens in the station herbarium - Buell, Jesse H. (Jesse Howard), 1901 -1992 (Appalachian Forest Experiment Station, 1938)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

The London catalogue of British plants : containing the British Phænogamia, Filices, Equisetaceæ, Lycopodiaceæ, Selaginellaceæ, Marsileaceæ, Salviniaceæ and Charophyta. Adapted for marking desiderata in exchanges of specimens; for an index catalogue to British herbaria; for indicating the species of local districts; and for a guide to collectors by showing the comparative rarity or frequency of the several species - Fraser, H. (George Bell & Sons, 1925)

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London Naturalist - London Natural History Society. (London Natural History Society, 1952)

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Lyhykäinen kasvioppi ja kasvio - Mela, A. J. (Aukusti Juhana), 1846 -1904 (Suomalaisen Kirjallisuuden Seuran Kirjapainossa, 1877)

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Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1945)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1954)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1955)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1957)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1969)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1971)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1973)

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Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1998)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2000)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2002)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2004)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2008)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2011)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2012)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2014)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1903)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1907)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1912)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1913)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1915)

Major indicator shrubs and herbs on national forests of eastern Washington - United States. Forest Service. Pacific Northwest Region. (USDA Forest Service, Pacific Northwest Region, 1987)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1897)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1899)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1901)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1903)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1905)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1911)

Mammals of Robinson Forest : species composition of an isolated, mixed-mesophytic forest on the Cumberland Plateau in southeastern Kentucky - Krupa, James J., 1956 - (Museum of Texas Tech University, 2002)

Man and the biological world - Rogers, J. Speed (James Speed), 1892 -1955 (McGraw-Hill, 1952)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1904)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1908)

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Manual of British botany, containing the flowering plants and ferns arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (Gurney and Jackson, 1922)

Manual of British botany, containing the flowering plants and ferns arranged according to the natural orders - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1874)

A manual of organic materia medica and pharmacognosy; an introduction to the study of the vegetable kingdom and the vegetable and animal drugs (with syllabus of inorganic remedial agents) comprising the botanical and physical characteristics, source, constituents, pharmacopoeial preparations, insects injurious to drugs, and pharmacal botany - Sayre, Lucius Elmer. (Blakiston, 1917)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

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Manual of the flora of Jackson County, Missouri - Bush, Benjamin Franklin, 1858 -1937 (1902)

A manual of the flora of northern Idaho - Epling, Carl, 1894 -1968 (1941)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)