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, 2006)

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, 1942)

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, 1978)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1980)

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

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

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1993)

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, 1979)

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, 1987)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1990)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1994)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1987)

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, 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)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (Dodd & Mead, 1874)

Corals and coral islands / by James D. Dana - Dana, James Dwight, 1813 -1895 (Sampson Low, Marston, Low and Searle, 1875)

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 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, 1980)

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, 1989)

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, 1996)

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, 2006)

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, 2009)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2010)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2011)

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, 2014)

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

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2016)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2022)

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)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1988)

Culinary herbs; their cultivation, harvesting, curing and uses - Kains, M. G. (Maurice Grenville), 1868 -1946 (Orange Judd Company; [etc., etc.], 1912)

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, 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, 1986)

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, 1991)

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)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1988)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1994)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1993)