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 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)

Compositae collected in Brazil by Prof. and Mrs. E.W.D. Holway - Holway, E. W. D. (Edward Willet Dorland), 1853 -1923 (1922)

Compositae indicae descriptae et secus genera Benthamii ordinatae - Clarke, C. B. (Charles Baron) 1832 -1906 (Thacker, Spink, 1876)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1975)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1977)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1978)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1979)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1980)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1981)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1988)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1989)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1996)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 1997)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2001)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2003)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2004)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2005)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2012)

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, 1863)

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, 1865)

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, 1872)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

Congrès international d'entomologie : [proceedings] (Hayez, 2008)

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

Conspectus regni vegetabilis : secundum characteres morphologicos praesertim carpicos in classes ordines et familias digesti, adjectis exemplis nominibusque plantarum usui medico technico et oeconomico inservientium = Uebersicht der Classen, Ordnungen und Familien des Gewächsreiches nach morphologischen Grundsätzen, unter besonderer Rücksicht auf den Fruchtbau, mit Angabe von Beispielen und von den in der Medicin, Technik und Oekonomie besonderswichtigen Pflanzen - Martius, Karl Friedrich Philipp von, 1794 -1868 (Joh. Leonhard Schrag, 1835)

Contribución a la entomología cubana - Gundlach, Johannes Christoph, 1810 -1896 (G. Montiel, 1881)

Contribuciones a la materia médica argentina - Domínguez, Juan A. (Juan Aníbal), 1876 -1946 (Talleres s. a. Casa J. Peuser, 1928)

Contribuciones a la flora de Bolivia - Museo Nacional de Bolivia. (Tall. tip.-lit. de J. M. Gamarra, 1910)

Contribuições para a botanica paulista : região campestre : memoria das excursões botanicas de 1887, 1888 e 1889 - Löfgren, Alberto, 1854 -1918 (Commissão Geográphica e Geológica do Estado de S. Paulo, 1890)

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - De Wildeman, Emile 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (Comité spécial du Katanga, 1921)

Contribution à la flore de la Guadeloupe - Mazé, H. 1818 -1892 (Imprimerie du gouvernement, 1892)

Contribution [I]-III to the coastal and plain flora of Yucatan - Millspaugh, Charles Frederick, 1854 -1923 (1895)

A contribution to the botany of the Isle of Pines, Cuba, based upon the specimens of plants from that island contained in the herbarium of the Carnegie Museum under date of October, 1916 - Jennings, Otto E. (Otto Emery), 1877 -1964 (1917)

Contributions from the Biological Laboratory - Brown University. Biological Laboratory (Brown University, 1905)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1891)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1896)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1899)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1900)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1905)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1906)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1911)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1913)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1918)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1920)

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, 1923)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1924)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1927)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1926)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1929)

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, 1931)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1932)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1934)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1933)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1935)

Contributions from the Herbarium of Columbia College - Columbia College (New York, N.Y.). Herbarium. (Columbia College, 1886)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1915)

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

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1891)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1897)

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, 1903)

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, 1920)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1928)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1957)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2000)