The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2009)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2018)

The Canadian journal of industry, science and art - Glenny, George, 1793 -1874 (Canadian Institute, 1865)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2005)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2006)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2007)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2008)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2009)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2010)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2011)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2012)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2013)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2014)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2016)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2017)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2018)

Canotia - Arizona State University. Vascular Plant Herbarium. (Vascular Plant Herbarium, School of Life Sciences, Arizona State University, 2019)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

The Caribbean forester - Burke, Lauretta Marie (Tropical Forest Experiment Station, United States Forest Service, 1939)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1920)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1942)

Caroline Islands - Long, Charles R. (Charles Robert), 1936 - (1965)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2010)

Catálogo de las plantas vasculares de la República Argentina - Morrone, Osvaldo (Missouri Botanical Garden, 1999)

Catálogo de las plantas vasculares del Cono Sur : (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay) - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Catalog guide to Garfield Park Conservatory - Chicago (Ill.) West Chicago Park Commissioners. (West Chicago Park Commissioners, 1924)

A catalog of cultivated woody plants of the southeastern United States - Meyer, Frederick G. 1917 -2006 (U.S. Dept. of Agriculture, Agricultural Research Service, 1994)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogo dei semi raccolti nell' anno ... - Orto botanico di Roma. (Orto botanico della R. Università di Roma, 1900)

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1908)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1924)

Catalogue des graines : récoltées en ... et offertes en échange - Jardin des plantes de Nantes. (Jardin des plantes, 1937)

Catalogue of North American plants north of Mexico, exclusive of the lower cryptogams - Heller, Amos Arthur, 1867 -1944 (A.A. Heller], 1900)

Catalogue of North American plants north of Mexico, exclusive of the lower cryptogams - Heller, Amos Arthur, 1867 -1944 (1900)

Catalogue of North American plants north of Mexico, exclusive of the lower cryptogams - Heller, Amos Arthur, 1867 -1944 (s.n.], 1900)

Catalogue of plants 2010 : Adelaide, Mount Lofty and Wittunga Botanic Gardens - Botanic Gardens Of Adelaide; State Herbarium (Botanic Gardens of Adelaide, 2010)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1867)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1921)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1913)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1915)

Catalogue of the flora of Missouri - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

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

Catalogus seminum in horto botanico Matritensi anno ... collectorum - Real Jardín Botánico (Spain) ([Real Jardín Botánico], 1929)

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

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

chai da mu pen di di san ji bao fen xue yan jiu - qing hai shi you guan li ju kan tan kai fa yan jiu yuan deng (shi you gong ye chu ban she, 1985)

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

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, 1917)

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)

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 (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)

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

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

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 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 Southern Rocky Mountain Region - Snow, Neil Wilton (2009)

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

Chronological history of plants : man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

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. 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)

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

Common and scientific names of weeds in Canada = Noms populaires et scientifiques des plantes nuisibles du Canada - Darbyshire, S. J. (Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, 2000)

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 study of todies (Todidae), with emphasis on the Puerto Rican tody, Todus mexicanus - Kepler, Angela Kay, 1943 - (Nuttall Ornithological Club, 1977)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2005)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès international d'entomologie : [proceedings] (Hayez, 1988)

Congrès international d'entomologie : [proceedings] (Hayez, 1992)

Congrès international d'entomologie : [proceedings] (Hayez, 1996)

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)

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

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

Contribution to an evaluation of tree species using the new CITES Listing Criteria - WCMC (CITES, 1998)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1891)

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