Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1962)

Silvical characteristics of Balsam fir (Abies alsamea) - Hart, Arthur C. (Northeastern Forest Experiment Station, 1959)

Silvical characteristics of Engelmann spruce - Alexander, Robert R. (USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984)

Silvical characteristics of subalpine fir - Alexander, Robert R. (1984)

Sixtieth annual catalog : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Woodward Manning, 1914)

Sketch of a journey to the Rocky Mountains and to the Columbia River in North America - Drummond, Thomas, 1780 -1835 (s.n, 1830)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1917)

Societatum litterae (R. Friedländer, 1893)

Soil and vegetation inventory of Wagner Natural Area, Alberta - Alberta. Alberta Environment. (Geowest Environmental Consultants Ltd, 2000)

Some unusual natural areas in Illinois and a few of their plants - Evers, Robert A. (Robert August), 1912 - (1963)

South Lindenberg timber sale(s) : draft environmental impact statement - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1996)

South Lindenberg timber sale(s) : final environmental impact statement : Stikine area - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1996)

Special! 1[cent symbol] sale list of plants and materials : fall 1951, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pavek Nursery, 1951)

Special fall offerings of hardy native deciduous trees, shrubs, rock garden plants, lilies, etc. at very special prices : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

A special fall planting message [offer] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1928)

Special papers - Ohio Academy of Science. (The Academy, 1899)

Special price list [for] July and August acceptance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1924)

Special price list : July and August (1925) acceptance - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1925)

Special price-list : July and August acceptance only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1923)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1959)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1973)

Species diversity and community structure in bryophytes : New York State studies - Slack, Nancy G. (University of the State of New York, State Education Dept, 1977)

Species of special concern in Pennsylvania - Genoways, Hugh H. (Carnegie Museum of Natural History, 1985)

Spring 1954 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1954)

The spring and summer dispersion of male franklin's grouse in lodgepole fine forest in southwestern Alberta - McLachlin, Roderick Archibald, 1941 - (1970)

A spring flora for high schools - Cowles, Henry Chandler, 1869 -1939 (American Book Company, 1915)

Spruce-fir forests of the highlands of northern Alberta - Achuff, P. L. (University of Alberta, Dept. of Botany, 1974)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Status and conservation management of terrestrial mollusks of special concern in Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2003)

Status report on sensitive lady's slipper orchids (Cypripedium Calceolus var. parviflorum and Cypripedium passerinum) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Status report on sensitive lady's slipper orchids (Cypripedium calceolus var. parviflorum and Cypripedium passerinum) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Status review of Cypripedium passerinum, U.S. Forest Service, Region 1, Flathead and Lewis & Clark National Forests, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Status review of Orchis rotundifolia, U.S. Forest Service, Region 1, Flathead and Lewis & Clark National Forests, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Stock ranges of northwestern California : notes on the grasses and forage plants and range conditions - United States. Bureau of Plant Industry. (U.S. G.P.O, 1902)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1906)

The study of plant communities : an introduction to plant ecology - Oosting, Henry John, 1903 - (W.H. Freeman, 1948)

A study of the physiographic ecology of Mount Ktaadn, Maine - Harvey, Le Roy Harris. (1903)

A study of the sharp-tailed grouse - Snyder, L. L. (Lester Lynne), 1894 - (1935)

A summary of research at the Manitou Experimental Forest in Colorado, 1937-1983 - Gary, Howard L. (1985)

Sundance Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas], 2006)

Supplementary list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Crosby Horsford, 1940)

Supplementary list of native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1931)

A survey of Canadian plants in relation to their environment - Adams, John, 1872 -1950 (Canada Dept. of Agriculture, 1927)

Survey of Cypripedium calceolus, U.S.D.I. Bureau of Land Management, Butte District, Garnet Resource Area, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Survey of rare vascular plants in La Butte Creek wildland provincial park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas, 2005)

Svensk botanik - Swartz, Olof, 1760 -1818 (Tryckt hos C. Delén, 1826)

Swan Valley northern bog lemming survey : Final report to Montana Department of Transportation - Montana. Dept. of Transportation. (Montana Natural Heritage Program, 1994)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1973)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1980)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

Synopsis of the flora of Colorado - Coulter, John Merle, 1851 -1928 (Govt. print. off, 1874)

A systematic study of herbaceous Cornus L. in northwestern North America - Bain, John F (University of Alberta, Dept. of Botany, 1977)

Systême sexuel des végétaux, suivant les classes, les ordres, les genres et les espèces, avec les caractères et les differences - Linné, Carl von, 1707 -1778 (A. Bertrand, 1803)

Tableau de l'école de botanique du Jardin du roi - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1815)

Technical report : Illinois natural areas inventory - Illinois. Dept. of Conservation. (Dept. of Landscape Architecture, University of Illinois and Natural Land Institute, 1978)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (Amer. Bk. Co, 1910)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (American book company, 1911)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (American book company, 1910)

The journal of horticulture (1898)

The journal of horticulture (1902)

Thorburn's high class seeds : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1913)

tian jin zhi wu zhi - Liu, Jiayi (tian jin ke xue ji shu chu ban she, 2004)

Tongass land management plan revision : draft environmental impact statement appendix, volume I - Tongass National Forest (Agency : U.S.) (U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1990)

Tongass land management plan revision : supplement to the draft environmental impact statement appendix, volume I - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1991)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1905)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1907)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1912)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1913)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1914)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1922)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1926)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1928)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1929)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1930)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1931)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1932)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1936)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1937)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1938)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1939)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1940)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1941)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1942)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1945)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1944)

Torreya, a monthly journal of botanical notes and news (1911)

Trade bulletin : April 1, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1930)

Trade bulletin : April 16, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1928)

Trade bulletin : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1930)

Trade bulletin : February 1, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1930)

Trade bulletin : February 15, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1928)

Trade bulletin : January 1, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1930)

Trade bulletin : January 15, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1928)

Trade bulletin : March 1, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1930)

Trade bulletin : spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1937)

Trade bulletin : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern & Flower Farm, Inc, 1938)

Trade list : fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1931)

Trade list, fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Co, 1933)

Trade list of collected native plants and hardy perennial : fall 1933-spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1933)

Trade list of collected native plants and hardy perennials : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1935)

Trade list : spring, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1931)

Trade prices on hardy American ornamental plants : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1935)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

Traité de paléontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (Octave Doin, 1883)

Traité de paléontologie végétale, ou, La flore du monde primitif dans ses rapports avec les formations géologiques et la flore du monde actuel. Avec un atlas de 100 ì.e. 110 planches grand inquarto lithographiées - Schimper, Wilhelm-Philippe, 1808 -1880 (J.G. Bailliere, 1869)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1891)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1894)