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

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

Commentatio de myrsinaceis archipelagi Indici - Scheffer, Rudolph H. C. C. 1844 -1880 (apud G. G. Brugman, 1867)

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

Congrès international d'entomologie : [proceedings] (Hayez, 2012)

Conservation and sustainable management of trees, report of the third regional workshop, held at Army Hotel, Hanoi, Viet Nam, 18-21 August, 1997 - WCMC (WCMC, 1997)

Contribución a la entomología cubana - Gundlach, Johannes Christoph, 1810 -1896 (G. Montiel, 1881)

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

Contribuciones a la flora de Bolivia - Museo Nacional de Bolivia. (Tall. tip.-lit. de J. M. Gamarra, 1910)

Contribution [I]-III to the coastal and plain flora of Yucatan - Millspaugh, Charles Frederick, 1854 -1923 (1895)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1909)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1923)

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

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, 1918)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1903)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1905)

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, 1931)

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, 1957)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1969)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2000)

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, 2004)

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, 1966)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1997)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2005)

Contributions to botany : iconographic and descriptive detailing the character of plants that are either new or imperfectly described, to which are added remarks on their affinities - Miers, John, 1789 -1879 (Williams and Norgate, 1851)

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)

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, 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)

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

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, 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, 1993)

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, 1995)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1996)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1997)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1998)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1999)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2000)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2001)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2002)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2003)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2004)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2005)