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)

A compendium of general botany - Schneider, Albert, 1863 -1928 (Wiley, 1896)

Compendium of plant disease and decay fungi in Canada, 1960-1980 - Ginns, J. H. (James Herbert) (Research Branch, Agriculture Canada, 1986)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1957)

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

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1973)

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

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

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

Der Conservator oder praktische Anleitung, Naturalien aller Reiche zu sammeln, zu conserviren und für wissenschaftliche Zwecke, wie auch zum Vergnügen aufzustellen : Ein Hilfsbuch zum Selbstunterricht für Lehrer, Landprediger, Hauslehrer und alle Diejenigen, welche Naturaliensammlungen zweckmässig, ohne unnöthigen Zeit- und Kosten-Aufwand, anlegen wollen : nach eigenen Erfahrungen bearbeitet und mit Tabellen zur leichteren Bestimmung der Mineralien und Pflanzen [etc.] versehen - Streubel, A. V. (August Vollrath) (Verlag von Ferdinand Rubach, 1845)

Conspectul florei României. Plantele vasculare indigene si cele naturalizate ce se gasesc pe teritoriul României, considerate subt punctul de vedere sistematic si geografic - Grecescu, Dimitrie, 1841 -1910 (Tip. Dreptatea, 1898)

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 florae Smolandicae / scripsit Nicolaus Johannes Scheutz - Scheutz, Nils Johan Wilhelm, 1836 -1889 (Typis Acad. reg. typ, 1857)

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)

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

A contribution to our knowledge of seedlings - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, & co., ltd, 1892)

A contribution to the flora of Derbyshire being an account of the flowering plants, ferns, and Characeae found in the county - Painter, W. H. (George Bell, 1889)

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 à la connaissance de la flore du nord-ouest de l'Afrique : et plus spécialement de la Tunisie. / par Sv. Murbeck - Murbeck, Svante, 1859 -1946 (E. Malmström, 1897)

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

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

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, 1928)

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, 1947)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1954)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1971)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1982)

Contributions from the Laboratory of Plant Genetics - Bussey Institution. ([s.n.], 1909)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1961)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1962)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1966)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1967)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1963)

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 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, 1900)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1907)

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, 1909)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1912)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

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, 1925)

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, 1943)

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, 2003)

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, 2001)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1995)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1981)

Contributions to the botany of the Yukon Territory - Rydberg, Per Axel, 1860 -1931 (1901)

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

Contributions to the flora of Siam - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

Contributions to the flora of Siam. by William Grant Craib Dicotyledones - Craib, William Grant, 1882 -1933 (Printed for the University of Aberdeen, 1912)

Contributions to the paleobotany of Peru, Bolivia and Chile; five papers - Berry, Edward Wilber, 1875 -1945 (The John Hopkins Press, 1922)

Contributiuni la flora Judetului Neamtu : plante rare recoltate pe muntele Măgura - Grințescu, George P. (Speranta, 1908)

Convention on the Conservation of European Wildlife and Natural Habitats. Standing Committee. Revision of Appendix 1. Species conservation summaries: non-endemic species and endemics for Austria, Germany, Hungary, Norway - Morgan, V., Leon, C., Council of Europe (Council of Europe, 1990)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1962)

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)

Corpus florarum provincialium Sueciae. I. Floram scanicam - Fries, Elias, 1794 -1878 (Typis Palmblad, Sebell & Co, 1835)

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

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

The Cottage gardeners' dictionary : describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation ; with an alphabetical list of synonymes - Johnson, George William, 1802 -1886 (Henry G. Bohn, 1863)

The cottage gardeners' dictionary. Describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation - Johnson, George William, 1802 -1886 (W. S. Orr, 1852)

The course of evolution by differentiation or divergent mutation rather than by selection - Willis, J. C. (John Christopher), 1868 -1958 (The University press, 1940)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1986)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1987)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1988)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1990)

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, 1995)

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, 2000)

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, 2002)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2003)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2007)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2012)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2013)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2015)

Cryptogamic plants of the USSR. (Flora sporovykh rastenii SSSR) - Botanicheskii institut im. V.L. Komarova ([Published for the National Science Foundation, Washington, D.C. by the Israel Program for Scientific Translations, 1970)

Cultures of Uredineae 1899-1921 - Arthur, Joseph Charles, 1850 -1942 (1921)

Die culturpflanzen Norwegens - Schübeler, F. C. (Frederik Christian), 1815 -1892 (Gedruckt bei Brøgger & Christie, 1862)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1981)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1983)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1985)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1990)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1992)