The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2000)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

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, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

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, 2011)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2012)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

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

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[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1916)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1917)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1919)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1920)

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Catalog, 1950 -1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1950)

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Catalog, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1955)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1949)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1954)

Catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, 1955)

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)

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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 seventh year No. 17 - 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 and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1946)

Catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1947)

Catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1948)

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Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1918)

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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)

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A Catskill flora and economic botany - Brooks, Karl L. (University of the State of New York, State Education Dept, 1979)

chang jiang san jiao zhou ji lin jin di qu bao zi zhi wu zhi 长江三角洲及邻近地区孢子植物志 - shanghai zi ran bo wu guan上海自然博物馆 (shang hai ke xue ji shu chu ban she上海科学技术出版社, 1989)

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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)

Checklist of the vascular flora of St. Catherines Island, Georgia - Jones, Samuel B., 1933 - (American Museum of Natural History, 1988)

A checklist of the vascular plants in Abbott Creek Research Natural Area, Oregon - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1979)

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 Steamboat Mountain Research Natural Area - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981)

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A classification of forest habitat types of the southern Arizona and portions of the Colorado Plateau - DeVelice, Robert L. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1996)

Classification of the forest vegetation of Colorado by habitat type and community type - Alexander, Robert R. (1987)

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

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The continental element in the flora of south Sweden - Sterner, Rikard. (Centraltryckeriet, 1922)

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