The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1997)

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

Canberra Botanic Gardens - National Botanic Gardens (Australia) (Dept. of the Interior, 1970)

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, 2015)

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, 1922)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1927)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1940)

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

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2010)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2014)

Cascade-Siskiyou National Monument : draft resource management plan/environmental impact statement - United States. Bureau of Land Management. Medford District. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2002)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 1999)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 1979)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 1995)

Castlemaine Naturalist - Australia (Castlemaine Field Naturalists Club, 2023)

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)

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 hardy trees and shrubs; a list of the woody plants in cultivation outdoors at the New York Botanical Garden in 1942. With notes, a map, and twenty illustrations - New York Botanical Garden (1943)

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

Catalog of Ohio vascular plants : arranged according to the phyletic classification : with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (Ohio State University, 1914)

Catalog of Ohio vascular plants, arranged according to the phyletic classification; with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (The Ohio State University, 1914)

Catalog of seeds : my forty fifth year. No. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1955)

Catalog of seeds : my forty fourth year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1955)

Catalog of seeds. my forty seventh year. No. 17 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1958)

Catalog of seeds. my forty seventh year. No. 18, December 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1958)

Catalog of seeds : my forty sixth year. No. 15 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1957)

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, 1911)

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

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1925)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1926)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1928)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1930)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1931)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1932)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1934)

Catalogue des graines offertes en échange - Jardin botanique de la ville de Dijon. (J. Berthoud, 1935)

Catalogue of Cainozoic plants in the Department of Geology - Groves, James (British Museum, 1926)

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

Catalogue of plants which have been found growing without cultivation in the park and its outlying territories collected, mounted and catalogued for the plant herbarium in the superintendent's office at Niagara Falls, Ontario - Cameron, Roderick. (s.n, 1896)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1870)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1915)

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 books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1940)

A catalogue of the Coccidæ of the world - Fernald, Maria E. Mrs., (Elizabeth Smith), 1839 -1919 (Carpenter & Morehouse, 1903)

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

Catalogue of the flora of Montana and the Yellowstone National Park - Rydberg, Per Axel, 1860 -1931 (1900)

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)