Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1965)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Conspectus floræ Africæ, ou Énumération des plantes d'Afrique - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état; [etc., etc.], 1895)

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

Contribuição para o conhecimento da flora orchidacea da Serra do Itatiaya - Porto, P Campos (Jardin Botanico do Rio de Janeiro, 1915)

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 Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1902)

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, 1909)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1952)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1958)

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, 1906)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1907)

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 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, 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, 1931)

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, 2000)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2003)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2004)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2005)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1939)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1966)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1973)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1990)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1962)

Cool orchids, and how to grow them : with a descriptive list of all the best species in cultivation - Burbidge, F. W. (Frederick William), 1847 -1905 (R. Hardwicke, 1874)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1964)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1966)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Cooperative plant pest report - United States. Animal; Plant Health Inspection Service. (The Service, 1976)

Coral Reefs of the World (1988)

The Cottage gardener (W.S. Orr, 1849)

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

The Cottage gardener (W.S. Orr, 1851)

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

The Cottage gardener (W.S. Orr, 1854)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1854)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1855)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1856)

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, 1859)

The cruise of the Tomas Barrera; the narrative of a scientific expedition to western Cuba and the Colorados reefs, with observations on the geology, fauna, and flora of the region - Henderson, J. B. 1870 -1923 (G.P. Putnam's sons, 1916)

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

A cultural table of orchidaceous plants - Cox, John Murray. (Shepherd Press, 1946)

The culture of greenhouse orchids, old system and new - Boyle, Frederick, 1841 -1914 (Chapman & Hall, ld, 1902)

The culture of greenhouse orchids : old system and new - Boyle, Frederick, 1841 -1914 (Chapman & Hall, 1902)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2005)

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.], 1801)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1803)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1804)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1806)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1812)