Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History SUrvey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Harger, Edgar Burton, 1867 - (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the library of the Arnold Arboretum of Harvard University - Sargent, Charles Sprague, 1841 -1927 (Printed at the Cosmos Press, 1914)

Catalogue of the phaenogamous plants of Evanston and vicinity, for 1883 - Raddin, Charles S. (R. Vandercook, Printer, 1883)

Catalogue of the phanerogams and ferns of Licking County, Ohio - Jones, Herbert Lyon, 1866 -1898 (Press of Granville Times, 1892)

A catalogue of the plants found in New Bedford and its vicinity : arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (Press of E. Anthony, 1860)

Catalogue of the plants of the state of Illinois - Lapham, Increase Allen, 1811 -1875 (s.n, 1800)

Catalogue of the science collections for teaching and research in the South Kensington Museum - South Kensington Museum. (Printed for H.M. Stationery Off. by Eyre and Spottiswoode, 1891)

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

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

Catalogus plantarum in Horto Florae Poloniae cultivatarum - Uniwersytet Lwowski. Ogród botaniczny. (Tipografia Pierwsza Zwiazkowa Drukarnia, 1934)

Catalogus seminum in horto botanico Matritensi anno ... collectorum - Real Jardín Botánico (Spain) ([Real Jardín Botánico], 1935)

Catalogus seminum in Horto Botanico Universitatis Valentinæ anno ... collectorum - Universidad de Valencia. Jardin Botanico. (Hijo F. Vives Mora, 1927)

Catalogus seminum in Horto Botanico Universitatis Valentinæ anno ... collectorum - Universidad de Valencia. Jardin Botanico. (Hijo F. Vives Mora, 1928)

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

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

A century of progress in the natural sciences, 1853-1953 - California Academy of Sciences (1955)

Check list of Florida plants ex herbarium A. Fredholm Series 2 - Fredholm, Adolf, 1863 -

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

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)

A checklist of the vascular flora in the vicinity of the Oldman River Dam - Alberta Environmental Centre. (Alberta Environmental Centre, 1992)

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)

Chloris andina : essai d'une flore de la région alpine des Cordillères de l'Amérique du Sud - Weddell, H. A. (Hugh Algernon),‏ ‎ 1819 -1877 (P. Bertrand, 1857)

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)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2014)

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)

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)

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

The comparative embryology of the Rubiaceae - Lloyd, Francis Ernest, 1868 -1947 (Torrey Botanical Club], 1899)

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

A complete guide to the English lakes - Martineau, Harriet, 1802 -1876 (John Garnett, 1855)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2012)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Congrès international d'entomologie : [proceedings] (Hayez, 1977)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

Congrès international d'entomologie : [proceedings] (Hayez, 2008)

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

Conservation of plant genes II : utilization of ancient and modern DNA - Adams, Robert P. (Missouri Botanical Garden, 1994)

Conspectul florei României. Plantele vasculare indigene si cele naturalizate ce se gasesc pe teritoriul României, considerate subt punctul de vedere sistematic si geografic - Grecescu, Dimitrie, 1841 -1910 (Tip. Dreptatea, 1898)

Conspectus florae Graecae - Halácsy, Eugen v., 1842 -1913 (Sumptibus Guilelmi Engelmann, 1904)

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 Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1902)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1921)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1927)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1929)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1930)

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

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

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1908)

Contributions from the Laboratory of Plant Genetics - Bussey Institution. ([s.n.], 1909)

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, 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, 1897)

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, 1900)

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, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1919)