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

Catalogue of trees, shrubs, climbers, conifers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G. Reuthe Ltd, 1958)

Catalogus florae Ludovicianae - Riddell, John Leonard, 1807 -1867 (s.n, 1852)

Catalogus plantarum quae in horto Aksakoviano coluntur / Katalog rastenii, nakhodiashchikhsia v sadu Nikolaia Timofeevicha Aksakova v Penzenskoi gubernii / privel v poriadok E. Regel - Regel, E. (Eduard), 1815 -1892 (V tipografii Ministerstva vnytrennikh giel, 1860)

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

Catalogus plantarum vascularium chilensium adhuc descriptarum - Philippi, Federico, (Imprenta Nacional, 1881)

Catalogus seminum in Horto Botanico Universitatis Valentinæ anno ... collectorum - Universidad de Valencia. Jardin Botanico. (Hijo F. Vives Mora, 1929)

A census of the plants of Victoria, with their regional distribution and the vernacular names, as adopted by the Plant Names Committee of the Field Naturalists' Club of Victoria - Field Naturalists' Club of Victoria. (Field Naturalists Club of Victoria, 1923)

Centralblatt für Bakteriologie und Parasitenkunde (G. Fischer, 1888)

Certain aspects of the metabolism of some quinolizidane alkaloids by Lupinus luteus var. Romulus - Graham, Donald M. (Dept. of Biochemistry, University of Alberta, 1965)

Ceylon journal of science. Section A, Botany - Royal Botanical Gardens, Peradeniya. (Director of Agriculture, 1926)

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

Check list of plants housed in the Forest Service, Southern Region, Herbarium - United States. Forest Service. Southern Region. Herbarium. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)

A check list of plants of the San Joaquin Experimental Range - California Forest; Range Experiment Station. (California Forest and Range Experiment Station, 1958)

Check list of the forest trees of the United States, their names and ranges - Sudworth, George B. (George Bishop), 1864 -1927 (U.S. Govt. Print. Off, 1927)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1918)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1910)

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)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

Checklist of plants of the Ottawa District - Gillett, John M. (John Montague), 1918 -2014 (1958)

Checklist of the vascular flora of St. Catherines Island, Georgia - Jones, Samuel B., 1933 - (American Museum of Natural History, 1988)

Checklist of the vascular plants of Alabama from the John D. Freeman Herbarium and the University of Alabama Herbarium - Morton, Cynthia M. (Carnegie Museum of Natural History, 2002)

Checklist of the vascular plants of Powdermill Nature Reserve, Westmoreland County, Pennsylvania - Utech, Frederick H. (Carnegie Museum of Natural History, 1999)

Checklist of the vascular plants of the intermountain region - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966)

Checklist of vascular plants of the Ottawa-Hull region, Canada = Liste des plantes vasculaires de la râegion d'Ottawa-Hull, Canada - Gillett, John M. (John Montague), 1918 -2014 (National Museum of Natural Sciences, National Museums of Canada, 1978)

Checklist of vascular plants of the Southern Rocky Mountain Region - Snow, Neil Wilton (2009)

Checklists for the CORINE Biotopes Programme and its application in the PHARE countries of Central and East Europe: including comparisons with relevant conventions and agreements on the conservation of European species and habitats - WCMC (EC, 1994)

Chemical aspects of ecology in relation to agriculture - Martin, Hubert. (Science Service, Canada Dept. of Agriculture, 1957)

Chemical interactions among milkweed plants (asclepiadaceae) and lepidopteran herbivores - Cohen, James A., 1952 - (1983)

The Chilean bees Xeromelissa nortina and X. sielfeldi : their nesting biologies and immature stages, including biological notes on X. rozeni (Colletidae, Xeromelissinae) - Wyman, Eli S. (American Museum of Natural History, 2015)

Chloroplast pigments and chromatographic analysis - Strain, Harold H. (Harold Henry), 1904 - (Pennsylvania State University, 1958)

Christmas Island - Long, Charles R. (Charles Robert), 1936 - (1964)

Circle west vegetation baseline study : final report - Montana. Energy Division. (Energy Division, Montana Dept. of Natural Resources and Conservation, 1978)

Circle West vegetation monitoring study - Montana. Energy Division. (Energy Division, Montana Dept. of Natural Resources and Conservation, 1982)

Class book of botany : being an introduction to the study of the vegetable kingdom - Balfour, John Hutton, 1808 -1884 (Adam and Charles Black, 1854)

The classification of flowering plants - Rendle, A. B. (Alfred Barton), 1865 -1938 (University press, 1904)

The classification of flowering plants - Rendle, A. B. (Alfred Barton), 1865 -1938 (Univ. Press, 1904)

Cloud Forest Agenda. UNEP-WCMC Biodiversity Series 20 - Bubb, Philip (UNEP-WCMC, 2004)

The Clydesdale flora: a description of the flowering plants and ferns of the Clyde district, arranged according to the natural orders, with a glossary of terms and diagrams - Hennedy, Roger. (H. Hopkins, 1878)

Coccinellidae of western Canada and Alaska with analyses of the transmontane zoogeographic relationships between the fauna of British Columbia and Alberta : (Insecta : Coleoptera : Coccinellidae) - Belicek, Joseph (1976)

Coefficient of conservatism rankings for the flora of Montana. Part III - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2017)

Coefficient of conservatism rankings for the flora of Montana. report to the Montana Department of Environmental Quality, Helena, Montana. Part I - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2015)

Coefficient of conservatism rankings for the flora of Montana. Part II - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2016)

Coffee : a monograph of the economic species of the genus Coffea L - Cheney, Ralph Holt, 1896 - (New York University Press, 1925)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1955)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1961)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1972)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1979)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1929)

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)

A college textbook of pharmaceutical botany : with pharmaceutical and medical applications, especially adapted for the use of students of pharmacy and economic botany and as a reference for pharmacists, chemists and students in structural and systematic botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son, 1918)

Colombia Bajo Caguán-Caquetá - Field Museum of Natural History. (The Field Museum, 2019)

Colombia: La Lindosa, Capricho, Cerritos - Field Museum of Natural History. (The Field Museum, 2018)

Colombia, Perú : bajo Putumayo-Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Keller Science Action Center, 2021)

Color polymorphism in Sphingid caterpillars (Lepidoptera: Sphingidae) - Fink, Linda S. (1989)

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

Commercial botany of the nineteenth century. A record of progress in the utilisation of vegetable products in the United Kingdom, and the introduction of economic plants into the British colonies, during the present century - Jackson, John Reader, 1837 -1920 (Cassell & company, limited, 1890)

Commercial greenhouse bell pepper production in Alberta - Alberta. Alberta Agriculture, Food,; Rural Development. (Alberta Agriculture, Food and Rural Development, Information Packaging Centre, 2002)

Common Florida angiosperm families - Zomlefer, Wendy B., 1954 - (Biological Illustrations, 1900)

Common medicinal plants of Darjeeling and the Sikkim Himalayas - Biswas, Kalipada, 1899 - (Supt., Govt. Print., West Bengal Govt. Press, 1956)

Common trees of Puerto Rico and the Virgin Islands - Wadsworth, Frank H. (U.S. Dept. of Agriculture, Forest Service, 1964)

Common weeds of the United States - United States. Agricultural Research Service. (Dover Publications, 1971)

Comparative anatomy of the vegetative organs of the phanerogams and ferns - Bary, A. de (Anton), 1831 -1888 (Clarendon Press, 1884)