Catalogue of the plants in the Queensland Botanic Gardens - Hill, Walter. (J.C. Beal, Govt. Printer, 1875)

Catalogue of the plants under cultivation in the botanical gardens, Singapore, Straits Settlements - Murton, H. J. (1879)

Catalogue of the plants under cultivation in the Government Botanic Garden, Adelaide, South Australia - Adelaide Botanic Gardens. (W.C. Cox, government printer, 1878)

Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador - González, Amada Pedroni. (Missouri Botanical Garden Press, 1999)

Catalogus plantarum cubensium exhibens collectionem Wrightianam aliasque minores ex insula Cuba missas - Grisebach, A. (August), 1814 -1879 (Apud Gulielmum Engelmann, 1866)

Catalogus Plantarum Horti regii parisiensis cum annotationibus de plantis novis aut minus cognitis - Desfontaines, René Louiche, 1750 -1833 (J. S. Chaudé, 1829)

Catalogus plantarum quae in Horto Botanico Bogoriensi coluntur - Kebun Raya Indonesia. (Lands-Drukkerij, 1866)

Cattleya hybrid orchid plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ott's Orchids, 1958)

Cattleya list : from "flandria" in Belgium - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid House, 1955)

The century book of gardening; a comprehensive work for every lover of the garden - Cook, E. T. (Ernest Thomas), 1867 -1915 (The Offices of "Country life" [etc, 1900)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

The century supplement to the dictionary of gardening, a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (Geo. T. King, 1901)

Ceylon journal of science. Section A, Botany - Royal Botanical Gardens, Peradeniya. (Director of Agriculture, 1927)

Chamber's encyclopaedia, a dictionary of universal knowledge (Chambers, 1902)

Chapters in modern botany - Geddes, Patrick, Sir, 1854 -1932 (Scribner, 1893)

Chapters in modern botany - Geddes, Patrick, Sir, 1854 -1932 (C. Scribner's sons, 1893)

Chapters in modern botany - Geddes, Patrick, Sir, 1854 -1932 (J. Murray, 1893)

Characteres essentiales familiarum ac tribuum regni vegetabilis et amphorganici ad leges tetractydis naturae conscripti accedit enumeratio generum magis notorum et organographiae supplementum - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis K. Wienöberianis, 1847)

Charles Darwin: his life told in an autobiographical chapter, and in a selected series of his published letters. Edited by his son, Francis Darwin - Darwin, Charles, 1809 -1882 (J. Murray, 1908)

Charles Darwin, his life told in an autobiographical chapter and in a selected series of his published letters - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1893)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1895)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1896)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1897)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1901)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1902)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1903)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1910)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1911)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1912)

[Charlesworth & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1914)

A check list of North American rust fungi (Uredinales) - Stevenson, John A. (John Albert), 1890 -1979 (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956)

A check list of the vascular plants of Nicaragua : based largely on collections in Nicaragua made by the author and companions, 1968-1976 - Seymour, Frank Conkling. (H.N. Moldenke and A.L. Moldenke, 1980)

Checklist of CITES Species (1998)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2003)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2001)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (1996)

Chloris platensis argentina - Hicken, Cristóbal M. (Cristóbal María), 1875 -1933 (J.A. Alsina, 1910)

Choice stove and greenhouse flowering plants, comprising descriptions of upwards of thirteen hundred species and varieties - Williams, Benjamin Samuel, 1822 -1890 (Published and sold by the author, 1883)

Choice trees, bulbs, flowers and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pacific Heights Nursery, 1892)

Chronique orchidéenne :supplément mensuel au Dictionnaire iconographique des orchidées - Cogniaux, Alfred, 1841 -1916 (A. Goossens, 1897)