The clavarias of the United States and Canada - Coker, William Chambers, 1872 -1953 (The University of North Carolina press, 1923)

Clavis Anglíca linguæ botanicæ : or, a Botanical Lexicon in which the terms of botany, particularly those occurring in the works of Linnaeus, and other writers, areapplied, derived, explained, contrasted, and exemplified - Berkenhout, John, 1730 -1791 (Becket, de Houdt, Hawes, Clark & and Collins, 1764)

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)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1976)

Collection and care of botanical specimens - Savile, D. B. O., (Douglas Barton Osborne), 1909 - (Canada Department of Agriculture, Research Branch, 1962)

The collector's handbook of algae, diatoms, desmids, fungi, lichens, mosses, and other of the lower cryptogamia, with instructions for the formation of an herbarium - Nave, Johann, 1831 -1864 (D. Bogue, 1881)

The collector's handy-book of algae : desmids, fungi, lichens, mosses, &c - Nave, Johann, 1831 -1864 (G. Routledge, 1904)

The collector's handy-book of algae, desmids, fungi, lichens, mosses, etc. (...) - Spicer, W. W. (William Webb), 1820 -1879 (W. H. Allen, 1860)

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)

Coloured figures of English fungi or mushrooms - Sowerby, James, 1757 -1822 (Printed by J. Davis, 1797)

Coloured figures of English fungi or mushrooms - Sowerby, James, 1757 -1822 (Printed by J. Davis, 1799)

Coloured figures of English fungi or mushrooms - Sowerby, James, 1757 -1822 (Printed by J. Davis, 1803)

Commentari dell'Ateneo di Brescia - Ateneo di Brescia. (1836)

Commentarii de rebus in scientia naturali et medicina gestis - Johann Friedrich Gleditschens Buchhandlung, (Apud Ioh. Fridericum Gleditsch, 1752)

Commentationes botanicae :observationes botanique - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (C. Casterman-Dieu, 1822)

Common mushrooms of the United States - Krieger, L. C. C. (Louis Charles Christopher), 1873 -1940 (National Geographic Society, 1920)

Comparative morphology and biology of the fungi, mycetozoa and bacteria - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

Comparative morphology of Fungi - Dodge, Carroll W. (Carroll William), 1895 -1988 (McGraw-Hill Book Company, Inc, 1928)

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

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)

The conchological illustrations or, Coloured figures of all the hitherto unfigured recent shells - Sowerby, G. B. (George Brettingham), 1812 -1884 ([s.n.], 1832)

Congrès Scientifiques de France (1836)

A consideration of the species plantarum of Linnaeus as a basis for the starting point of the nomenclature of cryptogams - Farlow, W. G. (William Gilson), 1844 -1919 (s.n, 1910)

Considérations mycologiques, suivies d'une nouvelle classification des champignons - Léveillé, Joseph Henri, 1796 -1870 (Imprimerie de I. Martinet, 1846)

Conspectus florae groenlandicae - Lange, Johan, 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)

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)

A contribution to a revision of the North American Hydnaceae - Banker, Howard J. (Howard James), 1866 -1940 (1906)

A contribution to the phytogeography and flora of the Arfak mountains /by L.S. Gibbs - Gibbs, Lilian S. (Lilian Suzette), 1870 -1925 (Taylor and Francis, 1917)

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, 1957)

Contributions to the botany of the State of New York - Peck, Charles H. (Charles Horton), 1833 -1917 (New York State Museum of Natural History, 1887)

Contributions to the botany of the state of New York - Peck, Charles H. (Charles Horton), 1833 -1917 (Printed for the museum, C. Van Benthuysen & Sons, 1887)

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

Contributions to the Queensland flora - Bailey, Frederick Manson 1827 -1915 (Anthony James Cumming, Govt. Printer, 1890)

Contributions towards a fauna and flora of the county of Cork, read at the meeting of the British association held at Cork in the year 1843 - Cuvierian Society of Cork. (J. Van Voorst, 1845)

Conversations on nature and art (Lea & Blanchard, 1839)

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)

The correspondence of Schweinitz and Torrey - Torrey, John, 1796 -1873 (The Club], 1921)

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

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

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

Crittogame brasiliane - Raddi, Giuseppe, 1770 -1829 (s.n, 1823)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1985)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1980)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1984)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1991)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1996)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1998)

Cultural studies of species of Penicillium - Thom, Charles, 1872 -1956 (Govt. Print. Off, 1910)

Curious facts in the history of insects; including spiders and scorpions. A complete collection of the legends, superstitions, beliefs, and ominous signs connected with insects; together with their uses in medicine, art, and as food; and a summary of their remarkable injuries and appearances - Cowan, Frank, 1844 -1905 (J.B. Lippincott & Co, 1865)

Curtii Sprengel Flora Halensis - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus Kmmelii, 1832)