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Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (Hodges, Smith, 1872)

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Control series bulletin - Massachusetts Agricultural Experiment Station. (University of Massachusetts, 1937)

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Convolvulacee - Mattei, Giovanni Ettore, 1865 -1943 (Società tipografica Azzoguidi, 1887)

Convolvulacées - Heine, Heino, 1922 -1996 (1984)

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Corallina, or, A classical arrangement of flexible coralline polypidoms - Lamouroux, M. (Jean Vincent Félix), 1779 -1825 (Printed by A. J. Valpy ... Sold by Sherwood and Co, 1824)

Corallina; or, a classical arrangement of flexible coralline polypidoms - Lamouroux, M. (Jean Vincent Félix), 1779 -1825 (Sherwood and co.; [etc., etc.], 1824)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 3, The Zoophytes and Calcareous Corallines - Couch, Jonathan, 1789 -1870 (1844)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 3, Containing the zoophytes and calcareous corallines - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1844)

A Cornish fauna : being a compendium of the natural history of the county intended to form a companion to the collection in the Royal Institution of Cornwall / by J. Couch [and Richard Q. Couch]. pt. 3 - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1844)

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Correspondence : Ascherson (Paul) and Engelmann (George), 1862-1876 - Ascherson, Paul, 1834 -1913 (1999)

Correspondence : Ascherson (Paul) and Engelmann (George), 1862-1876 - Ascherson, Paul, 1834 -1913 (1998)

Correspondence : Behr (Hans) and Engelmann (George), 1860-1864 - Behr, H. H. (Hans Herman), 1818 -1904 (1987)

Correspondence : Boissier (Edmond) and Engelmann (George), 1857-1880 - Boissier, Edmond, 1810 -1885 (1857)

Correspondence : Bolander (Henry) and Engelmann (George), 1863-1878 - Bolander, Henry N. (Henry Nicholas), 1831 -1897 (1863)

Correspondence : Bruhin (Thomas) and Engelmann (George), 1874-1881 - Bruhin, Thomas A. (Thomas Aquinas), 1835 -1895 (1874)

Correspondence : Candolle (Alphonse de) and Engelmann (George), 1859-1879 - Candolle, Alphonse de, 1806 -1893 (1860)

Correspondence : Cesati (Vincenzo) and Engelmann (George), 1854-1880 - Cesati, Vincenzo, 1806 -1883 (1855)

Correspondence : Cesati (Vincenzo) and Engelmann (George), 1854-1880 - Cesati, Vincenzo, 1806 -1883 (1857)

Correspondence : Cesati (Vincenzo) and Engelmann (George), 1854-1880 - Cesati, Vincenzo, 1806 -1883 (1858)

Correspondence : Cesati (Vincenzo) and Engelmann (George), 1854-1880 - Cesati, Vincenzo, 1806 -1883 (1864)

Correspondence : Fenzl (Eduard) and Engelmann (George), 1846-1872 - Fenzl, Eduard, 1808 -1879 (1846)

Correspondence : Fresenius (Georg) and Engelmann (George), 1834-1847 - Fresenius, Georg, 1808 -1866 (1834)

Correspondence : Gay (Jacques) and Engelmann (George), 1853-1863 - Gay, Jacques Etienne, 1786 -1864 (1853)

Correspondence : Geyer (Karl) and Engelmann (George), 1843-1846 - Geyer, Karl Andreas, 1809 -1853 (1843)

Correspondence : Grisebach (August) and Engelmann (George), 1842-1864 - Grisebach, A. (August), 1814 -1879 (1842)

Correspondence : Küster (Karl) and Engelmann (George) - Küster, Karl von. (1858)

Correspondence : Lenormand (Sébastien) and Engelmann (George), 1847-1871 - Lenormand, Sébastien René, 1796 -1871 (1847)

Correspondence : Mettenius (Georg) and Engelmann (George), 1857-1865 - Mettenius, G. (Georg), 1823 -1866 (1857)

Correspondence : Mueller (Ferdinand) and Engelmann (George), 1876-1883 - Mueller, Ferdinand von, 1825 -1896 (1876)

Correspondence : Parry (Charles Christopher) and Engelmann (George), 1851-1884 - Engelmann, George, 1809 -1884 (1860)

Correspondence : Schlechtendal (Diedrich) and Engelmann (George), 1857-1858 - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (1858)

Correspondence : Schultz (Carl) and Engelmann (George), 1840-1869 - Schultz, Carl Heinrich, 1805 -1867 (1845)

Correspondence : Schultz (Carl) and Engelmann (George), 1840-1869 - Schultz, Carl Heinrich, 1805 -1867 (1849)

Correspondence : Tommasini (Mutius) and Engelmann (George), 1858 - Tommasini, Muzio (1858)

Correspondence : Weber (Frédéric Albert) and Engelmann (George), 1865-1883 - Weber, Frédéric-Albert-Constantin 1830 -1903 (1865)

The Cottage gardener (W.S. Orr, 1850)

The Cottage gardener (W.S. Orr, 1852)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1857)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1858)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1860)

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (Geo. E. Desbarats, 1871)

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (G.E. Desbarats, 1871)

A critical revision of the genus Eucalyptus - Maiden, J. H. (Joseph Henry), 1859 -1925 (Gullick, 1924)

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The crops of the farm - Bowick, Thomas. (Bradbury, Agnew, 1886)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1994)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1997)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1998)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1999)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2001)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2011)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1988)

Culpeper's complete herbal : consisting of a comprehensive description of nearly all herbs with their medicinal properties and directions for compounding the medicines extracted from them - Culpeper, Nicholas, 1616 -1654 (Foulsham, 1880)

Cultivated plants, their propagation and improvement - Burbidge, F. W. (Frederick William), 1847 -1905 (W. Blackwood & Sons, 1877)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2014)

Cupid's basket : or, The language and poetry of flowers. Elegantly illustrated (G. A. Leavitt, 1867)

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Curtii Sprengel Florae Halensis tentamen novum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus C.A. Kmmelii, 1806)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1826)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1881)

Cuscuta of Nevada - Yuncker, T. G. (Truman George), 1891 -1964 (Plant Industry Station, 1954)

La Cuscuta y su Control - Timmons, F. L. (Francis Leonard), 1905 - (U.S. Dept. of Agriculture, 1959)

Cybele Britannica : or British Plants and their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (1847)

The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Doubleday, Page & Company, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Cyclopedia of practical floriculture - Turner, Cordelia Harris. (T. MacCoun, 1884)

da bie shan zhi wu zhi - Zi, Xingzhong & Zhang Dingcheng (zhong guo lin ye chu ban she, 2006)