The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1976)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1978)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1979)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1980)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1981)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1985)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1986)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1987)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1989)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1990)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1993)

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, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1996)

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, 1998)

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, 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, 2015)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2016)

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

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1862)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1890)

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

Cape Cod Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1931)

Cape Cod Nurseries : price list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cape Cod Nurseries, 1932)

Card file of the flora of the Metropolitan Parks - Massachusetts. Metropolitan Park Commission. (1894)

Cardinal Divide area : resource description and comparison with other Rocky Mountain areas - Achuff, P. L. (Alberta Energy and Natural Resources, 1984)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1916)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

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, 1923)

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, 1996)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2006)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2012)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2018)

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

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1899)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1910)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1914)

[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)

Catalog of Boxford Nursery : Kelsey's hardy American plants, rhododendrons, azaleas and specimen evergreens : fall 1914-spring 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1914)

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)

A catalogue, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1937)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1869)

Catalogue of the Cabinet of Natural History of the State of New York : and of the historical and antiquarian collection annexed thereto - Torrey, John, 1796 -1873 (Printed by order of the Regents of the University [by] C. Van Benthuysen, 1853)

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

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

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

A check list of Alaskan fungi - Cash, Edith K. (Edith Katherine), 1890 -1992 (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1953)

A check list of plant rusts in Canada - Canada. Department of Agriculture. (Canada Dept. of Agriculture, 1956)

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 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)

Chemical discovery and invention in the twentieth century - Tilden, William A., Sir, (William Augustus), 1842 -1926 (G. Routledge and Sons, 1917)

The chemical synthesis of vital products and the interrelations between organic compounds - Meldola, Raphael, 1849 -1915 (E. Arnold, 1904)

The chemistry of plant life - Thatcher, Roscoe Wilfred, 1872 -1933 (McGraw-Hill book company, inc, 1921)

Cherry Meadow Gardens, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Meadow Gardens, 1930)

Cherry Meadow Gardens [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Meadow Gardens, 1928)

Cherry Meadow Gardens [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Meadow Gardens, 1929)

Choice hardy trees and plants - Kelsey, F.W. Nursery Company. (F.W. Kelsey Nursery Company, 1903)

Choice hardy trees and plants - Kelsey, F.W. Nursery Company. (F.W. Kelsey Nursery Company, 1904)

Choice hardy trees and plants - Kelsey, F.W. Nursery Company. (F.W. Kelsey Nursery Company, 1905)

Choice nursery stock : trade price list, fall 1943 – spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1943)

Choice nursery stock : trade price list, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1941)

Choice nursery stock : trade price list, spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1942)

Circular - Massachusetts. State Board of Agriculture. (1913)

Classification and management of USDI Bureau of Land Management's riparian and wetland sites in eastern and southern Idaho - United States. Bureau of Land Management. Idaho State Office. (Bitterroot Restoration Incorporated, 2002)