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, 1996)

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, 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, 2009)

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 naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1878)

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, 1921)

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)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1924)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1928)

Caroli a Linné Species plantarum exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (Impensis G.C. Nauk, 1800)

Cassell's popular gardening - Fish, D. T. (David Taylor), 1824 -1901 (Cassell, 1884)

Cassell's popular gardening - Fish, D. T. (David Taylor), 1824 -1901 (Cassell & company, limited, 1884)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 1984)

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, 2008)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2017)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1900)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1902)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1912)

Catalog, 1951 -1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1951)

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 bulbs, evergreens, deciduous trees, hardy vines, shrubs, herbaceous perennials, roses for autumn planting and evergreens for forestry purposes : autumn 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1913)

Catalogue & price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1942)

Catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mitchell Nurseries, Inc, 1944)

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)

Catalogue of alpine and herbaceous plants, 1926 - Elliott, Clarence. (C. Elliott, 1926)

Catalogue of Canadian plants ... - Kindberg, N. C. (Nils Conrad), 1832 -1910 (1883)

Catalogue of hardy ornamental trees, shrubs, and vines, hardy flowers and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1901)

Catalogue of hardy ornamental trees, shrubs, and vines, hardy flowers and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1894)

Catalogue of herbaceous perennials, alpine and bog plants, evergreens, deciduous trees, shrubs, and rhododendrons, orchard and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. C. Woolson, 1917)

Catalogue of Mount Hope Nurseries established 1840 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1914)

Catalogue of Mount Hope Nurseries established 1840 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1912)

Catalogue of phaenogamous and vascular cryptogamous plants collected during the summers of 1873 and 1874 in Dakota and Montana, along the forty-ninth parallel by Dr. Elliott Coues U.S.A. With which are incorporated those collected in the same region at the same times by George M. Dawson - Coues, Elliott, 1842 -1899 (1878)

Catalogue of plants collected in Nevada, Utah, Colorado, New Mexico, and Arizona, with descriptions of those not contained in Gray's Manual of the Northern U.S., and vol. V, Geological Exploration of the Fortieth Parallel - Rothrock, Joseph T., 1839 -1922 (1878)

Catalogue of plants collected in the years 1871, 1872 and 1873 :with descriptions of new species - Watson, Sereno, 1826 -1892 (G.P.O, 1847)

Catalogue of rare seeds : comprising the best hardy ornamentals from the mountains of Colorado and from other lands - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1905)

Catalogue of rare seeds : comprising the best hardy ornamentals from the mountains of Colorado and from other lands - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1903)

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

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 - Harger, Edgar Burton, 1867 - (Printed for the State Geological and Natural History Survey, 1910)

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 - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History SUrvey, 1910)

Catalogue of trees, shrubs, evergreens, roses, vines and herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1913)

A century of botanical exploration in Montana, 1805-1905 : collectors, herbaria, and bibliography ; Supplement to the flora of Montana : additions, and corrections ; Common names of Montana plants - Henshall, Hester F. (Montana Agricultural College, 1905)

Characteristics and hybridization of important intermountain shrubs III Sunflower family - United States. Forest Service. (Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979)

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)

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

The chemical composition of native forage plants of southern Alberta and Saskatchewan in relation to grazing practices - Canada. Department of Agriculture. (Dept. of Agriculture, 1981)

Chemical control of range weeds - United States. Range Seeding Equipment Committee. (U.S. Govt. Print. Off, 1966)

Chemical control of range weeds : handbook - United States. Range Seeding Equipment Committee. (U.S. Dept. of Agriculture, U.S. Dept. of the Interior, Range Seeding Equipment Committee, 1959)

Chemical control of range weeds; report of subcommittee ... Great Falls, Montana, January 27-28, 1957 - United States. Range Reseeding Equipment Committee. (U.S. Forest Service, 1957)

Choice delphiniums, herbaceous and alpine plants : supplementary list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Point Gardens, 1934)

Choice perennials and unusual rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flor-Acre Gardens, 1935)

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)

Classification of deer habitat in the ponderosa pine forest of the Black Hills, South Dakota - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972)

A Classification of forest habitat types of the Lincoln National Forest, New Mexico - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1984)

Classification of sand dune and sand plain plant communities in the Wainwright Dunes Ecological Reserve - Alberta. Alberta Sustainable Resource Development. (Geowest Environmental Consultants Ltd, 2003)