Clavis, classium, ordinum et familiarum atque index generum regni vegetabilis = Diagnostische Uebersichtstafeln des natürlichen Pflanzensystems : nebst vollständigem Gattungsregister - Perleb, Karl Julius, 1794 -1845 (A. Emmerling, 1838)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 1998)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2015)

The Clydesdale flora: a description of the flowering plants and ferns of the Clyde district, arranged according to the natural orders, with a glossary of terms and diagrams - Hennedy, Roger. (H. Hopkins, 1878)

Collection of pamphlets on mollusks (1881)

A college text-book of botany : being an enlargement of the author's "Elementary botany," - Atkinson, George Francis, 1854 -1918 (Henry Holt and Company, 1905)

A college text-book of Botany, being an enlargement of the author's "Elementary Botany." - Atkinson, George Francis, 1854 -1918 (Holt, 1905)

A college text-book of botany; being an enlargement of the author's "Elementary botany." - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

A college textbook of pharmaceutical botany : with pharmaceutical and medical applications, especially adapted for the use of students of pharmacy and economic botany and as a reference for pharmacists, chemists and students in structural and systematic botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son, 1918)

The commonly occurring wild plants of Canada. A flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

The commonly occurring wild plants of Canada : a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1897)

Comparative anatomy of the vegetative organs of the phanerogams and ferns - Bary, A. de (Anton), 1831 -1888 (Clarendon Press, 1884)

A comparative Hindu Materia medica - Chakraberty, Chandra. (Ram Chandra Chakraberty, 1923)

Compendio della flora italiana; ossia, Manuale per la determinazione delle piante che trovansi selvatiche od inselvatichite nell'Italia e nelle isole adiacenti - Arcangeli, G. (Giovanni), 1840 -1921 (E. Loescher, 1882)

Compendium florae Belgicae - Courtois, Richard Joseph, 1806 -1835 (Apud P. J. Collardin, 1828)

Compendium florae Germaniae - Bluff, Matthias Joseph, 1805 -1837 (Sumptibus I.L. Schrag, 1825)

Compendium florae Philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (M. Carey, 1818)

Compendium florae Philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (Published by M. Carey and Son, 1818)

Compendium floræ philadelphicæ : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (published by M. Carey, 1818)

A compendium of the Cybele britannica; or British plants in their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (Longmans, Green, Reader & Dyer, 1870)

A compendium of the English flora - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green & Longman, 1836)

A compendium of the flora of the northern and middle states, containing generic and specific descriptions of all the plants, exclusive of the cryptogamia, hitherto found in the United States, north of the Potomac - Torrey, John, 1796 -1873 (S. B. Collins, 1826)

The complete aquarium book; the care and breeding of goldfish and tropical fishes - Innes, William T. (William Thornton), 1874 -1969 (Halcyon house, 1936)

Comprehensive catalogue of Queensland plants, both indigenous and naturalised. To which are added, where known, the aboriginal and other vernacular names; with numerous illustrations, and copious notes on the properties, features, &c., of the plants - Bailey, Frederick Manson 1827 -1915 (A. J. Cumming, government printer, 1909)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1881)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1891)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1892)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1899)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1844)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1846)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1835)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1853)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1881)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1886)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1906)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1909)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Die Coniferen und die Gnetaceen : eine morphologische Studie - Strasburger, Eduard, 1844 -1912 (H. Dabis, 1872)

Conspectus florae Graecae - Halácsy, Eugen v., 1842 -1913 (Sumptibus Guilelmi Engelmann, 1904)

Conspectus florae groenlandicae - Lange, Joh., 1818 -1898 (I commission hos C.A. Reitzel, 1887)

Conspectus regni vegetabilis per gradus naturales evoluti. Tentamen - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (apud C. Cnobloch, 1828)

Contribution to the fossil flora of Florissant, Colorado - Kirchner, Walter Charles George, 1875 - (1898)

Contribution to the knowledge of the morphological value and the phylogeny of the ovule and its integuments - Haan, Henri Rudolph Mari de. (De Waal, 1920)

Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1898)

Contributions from the Department of Botany of Columbia University - Columbia University. Department of Botany (s.n.], 1896)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1921)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1922)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1930)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1942)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1945)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1908)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1915)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1912)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1916)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1893)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1901)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1908)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1919)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1925)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1974)

Contributions to Pennsylvanian paleobotany Mazocarpon oedipternum, sp. nov. and Sigillarian relationships - Schopf, James Morton, 1911 - (1941)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)